diff options
Diffstat (limited to 'tests/coverage')
41 files changed, 2156 insertions, 45 deletions
diff --git a/tests/coverage/branch_generics.cov-map b/tests/coverage/branch/generics.cov-map index 719e97efad4..d729b0c260a 100644 --- a/tests/coverage/branch_generics.cov-map +++ b/tests/coverage/branch/generics.cov-map @@ -1,4 +1,4 @@ -Function name: branch_generics::print_size::<()> +Function name: generics::print_size::<()> Raw bytes (35): 0x[01, 01, 02, 01, 05, 05, 02, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 07, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -16,7 +16,7 @@ Number of file 0 mappings: 5 - Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) = (c1 + (c0 - c1)) -Function name: branch_generics::print_size::<u32> +Function name: generics::print_size::<u32> Raw bytes (35): 0x[01, 01, 02, 01, 05, 05, 02, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 07, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -34,7 +34,7 @@ Number of file 0 mappings: 5 - Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) = (c1 + (c0 - c1)) -Function name: branch_generics::print_size::<u64> +Function name: generics::print_size::<u64> Raw bytes (35): 0x[01, 01, 02, 01, 05, 05, 02, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 07, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 diff --git a/tests/coverage/branch_generics.coverage b/tests/coverage/branch/generics.coverage index e7cec151ce6..85f73d45f65 100644 --- a/tests/coverage/branch_generics.coverage +++ b/tests/coverage/branch/generics.coverage @@ -16,7 +16,7 @@ LL| 2| } LL| 3|} ------------------ - | branch_generics::print_size::<()>: + | generics::print_size::<()>: | LL| 1|fn print_size<T>() { | LL| 1| if std::mem::size_of::<T>() > 4 { | ------------------ @@ -28,7 +28,7 @@ | LL| 1| } | LL| 1|} ------------------ - | branch_generics::print_size::<u32>: + | generics::print_size::<u32>: | LL| 1|fn print_size<T>() { | LL| 1| if std::mem::size_of::<T>() > 4 { | ------------------ @@ -40,7 +40,7 @@ | LL| 1| } | LL| 1|} ------------------ - | branch_generics::print_size::<u64>: + | generics::print_size::<u64>: | LL| 1|fn print_size<T>() { | LL| 1| if std::mem::size_of::<T>() > 4 { | ------------------ diff --git a/tests/coverage/branch_generics.rs b/tests/coverage/branch/generics.rs index d870ace7006..d870ace7006 100644 --- a/tests/coverage/branch_generics.rs +++ b/tests/coverage/branch/generics.rs diff --git a/tests/coverage/branch_guard.cov-map b/tests/coverage/branch/guard.cov-map index 0b3622f6347..d67c3d349a1 100644 --- a/tests/coverage/branch_guard.cov-map +++ b/tests/coverage/branch/guard.cov-map @@ -1,4 +1,4 @@ -Function name: branch_guard::branch_match_guard +Function name: guard::branch_match_guard Raw bytes (85): 0x[01, 01, 06, 19, 0d, 05, 09, 0f, 15, 13, 11, 17, 0d, 05, 09, 0d, 01, 0c, 01, 01, 10, 1d, 03, 0b, 00, 0c, 15, 01, 14, 02, 0a, 0d, 03, 0e, 00, 0f, 19, 00, 14, 00, 19, 20, 0d, 02, 00, 14, 00, 1e, 0d, 00, 1d, 02, 0a, 11, 03, 0e, 00, 0f, 1d, 00, 14, 00, 19, 20, 11, 09, 00, 14, 00, 1e, 11, 00, 1d, 02, 0a, 17, 03, 0e, 02, 0a, 0b, 04, 01, 00, 02] Number of files: 1 - file 0 => global file 1 diff --git a/tests/coverage/branch_guard.coverage b/tests/coverage/branch/guard.coverage index f89b965b5d0..f89b965b5d0 100644 --- a/tests/coverage/branch_guard.coverage +++ b/tests/coverage/branch/guard.coverage diff --git a/tests/coverage/branch_guard.rs b/tests/coverage/branch/guard.rs index fa049e6206d..fa049e6206d 100644 --- a/tests/coverage/branch_guard.rs +++ b/tests/coverage/branch/guard.rs diff --git a/tests/coverage/branch/if-let.cov-map b/tests/coverage/branch/if-let.cov-map new file mode 100644 index 00000000000..c12df8d9801 --- /dev/null +++ b/tests/coverage/branch/if-let.cov-map @@ -0,0 +1,41 @@ +Function name: if_let::if_let +Raw bytes (38): 0x[01, 01, 02, 05, 09, 09, 02, 06, 01, 0c, 01, 01, 10, 02, 03, 11, 00, 12, 05, 00, 16, 00, 1b, 02, 00, 1c, 02, 06, 09, 02, 0c, 02, 06, 07, 03, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 2 +- expression 0 operands: lhs = Counter(1), rhs = Counter(2) +- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 6 +- Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16) +- Code(Expression(0, Sub)) at (prev + 3, 17) to (start + 0, 18) + = (c1 - c2) +- Code(Counter(1)) at (prev + 0, 22) to (start + 0, 27) +- Code(Expression(0, Sub)) at (prev + 0, 28) to (start + 2, 6) + = (c1 - c2) +- Code(Counter(2)) at (prev + 2, 12) to (start + 2, 6) +- Code(Expression(1, Add)) at (prev + 3, 5) to (start + 1, 2) + = (c2 + (c1 - c2)) + +Function name: if_let::if_let_chain +Raw bytes (52): 0x[01, 01, 04, 01, 05, 05, 09, 0f, 0d, 05, 09, 08, 01, 17, 01, 00, 33, 02, 01, 11, 00, 12, 01, 00, 16, 00, 17, 0d, 01, 15, 00, 16, 02, 00, 1a, 00, 1b, 0d, 01, 05, 03, 06, 0f, 03, 0c, 02, 06, 0b, 03, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(2) +- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3) +- expression 3 operands: lhs = Counter(1), rhs = Counter(2) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 23, 1) to (start + 0, 51) +- Code(Expression(0, Sub)) at (prev + 1, 17) to (start + 0, 18) + = (c0 - c1) +- Code(Counter(0)) at (prev + 0, 22) to (start + 0, 23) +- Code(Counter(3)) at (prev + 1, 21) to (start + 0, 22) +- Code(Expression(0, Sub)) at (prev + 0, 26) to (start + 0, 27) + = (c0 - c1) +- Code(Counter(3)) at (prev + 1, 5) to (start + 3, 6) +- Code(Expression(3, Add)) at (prev + 3, 12) to (start + 2, 6) + = (c1 + c2) +- Code(Expression(2, Add)) at (prev + 3, 5) to (start + 1, 2) + = ((c1 + c2) + c3) + diff --git a/tests/coverage/branch/if-let.coverage b/tests/coverage/branch/if-let.coverage new file mode 100644 index 00000000000..f30c5d34eca --- /dev/null +++ b/tests/coverage/branch/if-let.coverage @@ -0,0 +1,62 @@ + LL| |#![feature(coverage_attribute, let_chains)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| 3|fn if_let(input: Option<&str>) { + LL| 3| no_merge!(); + LL| | + LL| 3| if let Some(x) = input { + ^2 + LL| 2| say(x); + LL| 2| } else { + LL| 1| say("none"); + LL| 1| } + LL| 3| say("done"); + LL| 3|} + LL| | + LL| 15|fn if_let_chain(a: Option<&str>, b: Option<&str>) { + LL| 15| if let Some(x) = a + ^12 + LL| 12| && let Some(y) = b + ^8 + LL| 8| { + LL| 8| say(x); + LL| 8| say(y); + LL| 8| } else { + LL| 7| say("not both"); + LL| 7| } + LL| 15| say("done"); + LL| 15|} + LL| | + LL| |#[coverage(off)] + LL| |fn say(message: &str) { + LL| | core::hint::black_box(message); + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | if_let(Some("x")); + LL| | if_let(Some("x")); + LL| | if_let(None); + LL| | + LL| | for _ in 0..8 { + LL| | if_let_chain(Some("a"), Some("b")); + LL| | } + LL| | for _ in 0..4 { + LL| | if_let_chain(Some("a"), None); + LL| | } + LL| | for _ in 0..2 { + LL| | if_let_chain(None, Some("b")); + LL| | } + LL| | if_let_chain(None, None); + LL| |} + LL| | + LL| |// FIXME(#124118) Actually instrument if-let and let-chains for branch coverage. + diff --git a/tests/coverage/branch/if-let.rs b/tests/coverage/branch/if-let.rs new file mode 100644 index 00000000000..13db00a82b1 --- /dev/null +++ b/tests/coverage/branch/if-let.rs @@ -0,0 +1,58 @@ +#![feature(coverage_attribute, let_chains)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=branch +//@ llvm-cov-flags: --show-branches=count + +macro_rules! no_merge { + () => { + for _ in 0..1 {} + }; +} + +fn if_let(input: Option<&str>) { + no_merge!(); + + if let Some(x) = input { + say(x); + } else { + say("none"); + } + say("done"); +} + +fn if_let_chain(a: Option<&str>, b: Option<&str>) { + if let Some(x) = a + && let Some(y) = b + { + say(x); + say(y); + } else { + say("not both"); + } + say("done"); +} + +#[coverage(off)] +fn say(message: &str) { + core::hint::black_box(message); +} + +#[coverage(off)] +fn main() { + if_let(Some("x")); + if_let(Some("x")); + if_let(None); + + for _ in 0..8 { + if_let_chain(Some("a"), Some("b")); + } + for _ in 0..4 { + if_let_chain(Some("a"), None); + } + for _ in 0..2 { + if_let_chain(None, Some("b")); + } + if_let_chain(None, None); +} + +// FIXME(#124118) Actually instrument if-let and let-chains for branch coverage. diff --git a/tests/coverage/branch_if.cov-map b/tests/coverage/branch/if.cov-map index 0dbfd92541b..50f6216e069 100644 --- a/tests/coverage/branch_if.cov-map +++ b/tests/coverage/branch/if.cov-map @@ -1,4 +1,4 @@ -Function name: branch_if::branch_and +Function name: if::branch_and Raw bytes (56): 0x[01, 01, 04, 05, 09, 0d, 02, 11, 0f, 0d, 02, 08, 01, 2b, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 00, 0d, 00, 0e, 20, 11, 0d, 00, 0d, 00, 0e, 11, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -23,7 +23,7 @@ Number of file 0 mappings: 8 - Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2) = (c4 + (c3 + (c1 - c2))) -Function name: branch_if::branch_not +Function name: if::branch_not Raw bytes (224): 0x[01, 01, 29, 05, 09, 09, 02, a3, 01, 0d, 09, 02, a3, 01, 0d, 09, 02, 0d, 9e, 01, a3, 01, 0d, 09, 02, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 93, 01, 15, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 93, 01, 15, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 15, 8e, 01, 93, 01, 15, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 12, 01, 0c, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 01, 09, 00, 11, 02, 01, 06, 00, 07, a3, 01, 01, 08, 00, 0a, 20, 9e, 01, 0d, 00, 08, 00, 0a, 9e, 01, 00, 0b, 02, 06, 0d, 02, 06, 00, 07, 9b, 01, 01, 08, 00, 0b, 20, 11, 96, 01, 00, 08, 00, 0b, 11, 00, 0c, 02, 06, 96, 01, 02, 06, 00, 07, 93, 01, 01, 08, 00, 0c, 20, 8e, 01, 15, 00, 08, 00, 0c, 8e, 01, 00, 0d, 02, 06, 15, 02, 06, 00, 07, 8b, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -105,7 +105,7 @@ Number of file 0 mappings: 18 - Code(Expression(34, Add)) at (prev + 1, 1) to (start + 0, 2) = (c5 + ((c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) - c5)) -Function name: branch_if::branch_not_as +Function name: if::branch_not_as Raw bytes (124): 0x[01, 01, 16, 05, 09, 09, 02, 57, 0d, 09, 02, 57, 0d, 09, 02, 0d, 52, 57, 0d, 09, 02, 4f, 11, 0d, 52, 57, 0d, 09, 02, 4f, 11, 0d, 52, 57, 0d, 09, 02, 11, 4a, 4f, 11, 0d, 52, 57, 0d, 09, 02, 0e, 01, 1d, 01, 01, 10, 05, 03, 08, 00, 14, 20, 02, 09, 00, 08, 00, 14, 02, 00, 15, 02, 06, 09, 02, 06, 00, 07, 57, 01, 08, 00, 15, 20, 0d, 52, 00, 08, 00, 15, 0d, 00, 16, 02, 06, 52, 02, 06, 00, 07, 4f, 01, 08, 00, 16, 20, 4a, 11, 00, 08, 00, 16, 4a, 00, 17, 02, 06, 11, 02, 06, 00, 07, 47, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -160,7 +160,7 @@ Number of file 0 mappings: 14 - Code(Expression(17, Add)) at (prev + 1, 1) to (start + 0, 2) = (c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) -Function name: branch_if::branch_or +Function name: if::branch_or Raw bytes (56): 0x[01, 01, 04, 05, 09, 09, 0d, 0f, 11, 09, 0d, 08, 01, 35, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 20, 0d, 11, 00, 0d, 00, 0e, 0f, 00, 0f, 02, 06, 11, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 diff --git a/tests/coverage/branch_if.coverage b/tests/coverage/branch/if.coverage index 2a9a408b16a..2a9a408b16a 100644 --- a/tests/coverage/branch_if.coverage +++ b/tests/coverage/branch/if.coverage diff --git a/tests/coverage/branch_if.rs b/tests/coverage/branch/if.rs index 151eede75bb..151eede75bb 100644 --- a/tests/coverage/branch_if.rs +++ b/tests/coverage/branch/if.rs diff --git a/tests/coverage/branch/lazy-boolean.cov-map b/tests/coverage/branch/lazy-boolean.cov-map new file mode 100644 index 00000000000..e2d731022d7 --- /dev/null +++ b/tests/coverage/branch/lazy-boolean.cov-map @@ -0,0 +1,177 @@ +Function name: lazy_boolean::branch_and +Raw bytes (42): 0x[01, 01, 03, 09, 0a, 05, 09, 05, 09, 06, 01, 13, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 0a, 00, 0d, 00, 0e, 09, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 3 +- expression 0 operands: lhs = Counter(2), rhs = Expression(2, Sub) +- expression 1 operands: lhs = Counter(1), rhs = Counter(2) +- expression 2 operands: lhs = Counter(1), rhs = Counter(2) +Number of file 0 mappings: 6 +- Code(Counter(0)) at (prev + 19, 1) to (start + 1, 16) +- Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) + = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(2), false: Expression(2, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c2 + false = (c1 - c2) +- Code(Counter(2)) at (prev + 0, 18) to (start + 0, 19) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c2 + (c1 - c2)) + +Function name: lazy_boolean::branch_or +Raw bytes (44): 0x[01, 01, 04, 09, 0e, 05, 09, 05, 09, 05, 09, 06, 01, 1b, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(2), rhs = Expression(3, Sub) +- expression 1 operands: lhs = Counter(1), rhs = Counter(2) +- expression 2 operands: lhs = Counter(1), rhs = Counter(2) +- expression 3 operands: lhs = Counter(1), rhs = Counter(2) +Number of file 0 mappings: 6 +- Code(Counter(0)) at (prev + 27, 1) to (start + 1, 16) +- Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) + = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(2), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c2 + false = (c1 - c2) +- Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c1 - c2) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c2 + (c1 - c2)) + +Function name: lazy_boolean::chain +Raw bytes (149): 0x[01, 01, 13, 11, 07, 0b, 16, 15, 1a, 09, 0d, 05, 09, 05, 09, 09, 0d, 47, 25, 4b, 21, 19, 1d, 03, 19, 03, 19, 3e, 1d, 03, 19, 3e, 1d, 03, 19, 47, 25, 4b, 21, 19, 1d, 13, 01, 24, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 12, 20, 09, 16, 00, 0d, 00, 12, 09, 00, 16, 00, 1b, 20, 0d, 1a, 00, 16, 00, 1b, 0d, 00, 1f, 00, 24, 20, 11, 15, 00, 1f, 00, 24, 11, 00, 28, 00, 2d, 03, 01, 05, 00, 11, 43, 03, 09, 00, 0a, 03, 00, 0d, 00, 12, 20, 19, 3e, 00, 0d, 00, 12, 3e, 00, 16, 00, 1b, 20, 1d, 3a, 00, 16, 00, 1b, 3a, 00, 1f, 00, 24, 20, 21, 25, 00, 1f, 00, 24, 25, 00, 28, 00, 2d, 43, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 19 +- expression 0 operands: lhs = Counter(4), rhs = Expression(1, Add) +- expression 1 operands: lhs = Expression(2, Add), rhs = Expression(5, Sub) +- expression 2 operands: lhs = Counter(5), rhs = Expression(6, Sub) +- expression 3 operands: lhs = Counter(2), rhs = Counter(3) +- expression 4 operands: lhs = Counter(1), rhs = Counter(2) +- expression 5 operands: lhs = Counter(1), rhs = Counter(2) +- expression 6 operands: lhs = Counter(2), rhs = Counter(3) +- expression 7 operands: lhs = Expression(17, Add), rhs = Counter(9) +- expression 8 operands: lhs = Expression(18, Add), rhs = Counter(8) +- expression 9 operands: lhs = Counter(6), rhs = Counter(7) +- expression 10 operands: lhs = Expression(0, Add), rhs = Counter(6) +- expression 11 operands: lhs = Expression(0, Add), rhs = Counter(6) +- expression 12 operands: lhs = Expression(15, Sub), rhs = Counter(7) +- expression 13 operands: lhs = Expression(0, Add), rhs = Counter(6) +- expression 14 operands: lhs = Expression(15, Sub), rhs = Counter(7) +- expression 15 operands: lhs = Expression(0, Add), rhs = Counter(6) +- expression 16 operands: lhs = Expression(17, Add), rhs = Counter(9) +- expression 17 operands: lhs = Expression(18, Add), rhs = Counter(8) +- expression 18 operands: lhs = Counter(6), rhs = Counter(7) +Number of file 0 mappings: 19 +- Code(Counter(0)) at (prev + 36, 1) to (start + 1, 16) +- Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) + = (c4 + ((c5 + (c2 - c3)) + (c1 - c2))) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 18) +- Branch { true: Counter(2), false: Expression(5, Sub) } at (prev + 0, 13) to (start + 0, 18) + true = c2 + false = (c1 - c2) +- Code(Counter(2)) at (prev + 0, 22) to (start + 0, 27) +- Branch { true: Counter(3), false: Expression(6, Sub) } at (prev + 0, 22) to (start + 0, 27) + true = c3 + false = (c2 - c3) +- Code(Counter(3)) at (prev + 0, 31) to (start + 0, 36) +- Branch { true: Counter(4), false: Counter(5) } at (prev + 0, 31) to (start + 0, 36) + true = c4 + false = c5 +- Code(Counter(4)) at (prev + 0, 40) to (start + 0, 45) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 0, 17) + = (c4 + ((c5 + (c2 - c3)) + (c1 - c2))) +- Code(Expression(16, Add)) at (prev + 3, 9) to (start + 0, 10) + = (((c6 + c7) + c8) + c9) +- Code(Expression(0, Add)) at (prev + 0, 13) to (start + 0, 18) + = (c4 + ((c5 + (c2 - c3)) + (c1 - c2))) +- Branch { true: Counter(6), false: Expression(15, Sub) } at (prev + 0, 13) to (start + 0, 18) + true = c6 + false = ((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) +- Code(Expression(15, Sub)) at (prev + 0, 22) to (start + 0, 27) + = ((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) +- Branch { true: Counter(7), false: Expression(14, Sub) } at (prev + 0, 22) to (start + 0, 27) + true = c7 + false = (((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) - c7) +- Code(Expression(14, Sub)) at (prev + 0, 31) to (start + 0, 36) + = (((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) - c7) +- Branch { true: Counter(8), false: Counter(9) } at (prev + 0, 31) to (start + 0, 36) + true = c8 + false = c9 +- Code(Counter(9)) at (prev + 0, 40) to (start + 0, 45) +- Code(Expression(16, Add)) at (prev + 1, 5) to (start + 1, 2) + = (((c6 + c7) + c8) + c9) + +Function name: lazy_boolean::nested_mixed +Raw bytes (159): 0x[01, 01, 18, 07, 22, 11, 36, 3b, 11, 09, 0d, 26, 0d, 05, 09, 05, 09, 05, 09, 26, 0d, 05, 09, 09, 0d, 3b, 11, 09, 0d, 3b, 11, 09, 0d, 19, 5f, 1d, 21, 03, 15, 15, 19, 52, 56, 15, 19, 03, 15, 19, 5f, 1d, 21, 13, 01, 31, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 09, 26, 00, 0e, 00, 13, 26, 00, 17, 00, 1d, 20, 0d, 22, 00, 17, 00, 1d, 3b, 00, 23, 00, 28, 20, 11, 36, 00, 23, 00, 28, 36, 00, 2c, 00, 33, 03, 01, 05, 00, 11, 5b, 03, 09, 00, 0a, 03, 00, 0e, 00, 13, 20, 15, 56, 00, 0e, 00, 13, 15, 00, 17, 00, 1c, 20, 19, 52, 00, 17, 00, 1c, 4f, 00, 22, 00, 28, 20, 1d, 21, 00, 22, 00, 28, 1d, 00, 2c, 00, 33, 5b, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 24 +- expression 0 operands: lhs = Expression(1, Add), rhs = Expression(8, Sub) +- expression 1 operands: lhs = Counter(4), rhs = Expression(13, Sub) +- expression 2 operands: lhs = Expression(14, Add), rhs = Counter(4) +- expression 3 operands: lhs = Counter(2), rhs = Counter(3) +- expression 4 operands: lhs = Expression(9, Sub), rhs = Counter(3) +- expression 5 operands: lhs = Counter(1), rhs = Counter(2) +- expression 6 operands: lhs = Counter(1), rhs = Counter(2) +- expression 7 operands: lhs = Counter(1), rhs = Counter(2) +- expression 8 operands: lhs = Expression(9, Sub), rhs = Counter(3) +- expression 9 operands: lhs = Counter(1), rhs = Counter(2) +- expression 10 operands: lhs = Counter(2), rhs = Counter(3) +- expression 11 operands: lhs = Expression(14, Add), rhs = Counter(4) +- expression 12 operands: lhs = Counter(2), rhs = Counter(3) +- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(4) +- expression 14 operands: lhs = Counter(2), rhs = Counter(3) +- expression 15 operands: lhs = Counter(6), rhs = Expression(23, Add) +- expression 16 operands: lhs = Counter(7), rhs = Counter(8) +- expression 17 operands: lhs = Expression(0, Add), rhs = Counter(5) +- expression 18 operands: lhs = Counter(5), rhs = Counter(6) +- expression 19 operands: lhs = Expression(20, Sub), rhs = Expression(21, Sub) +- expression 20 operands: lhs = Counter(5), rhs = Counter(6) +- expression 21 operands: lhs = Expression(0, Add), rhs = Counter(5) +- expression 22 operands: lhs = Counter(6), rhs = Expression(23, Add) +- expression 23 operands: lhs = Counter(7), rhs = Counter(8) +Number of file 0 mappings: 19 +- Code(Counter(0)) at (prev + 49, 1) to (start + 1, 16) +- Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) + = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) +- Code(Counter(1)) at (prev + 0, 14) to (start + 0, 19) +- Branch { true: Counter(2), false: Expression(9, Sub) } at (prev + 0, 14) to (start + 0, 19) + true = c2 + false = (c1 - c2) +- Code(Expression(9, Sub)) at (prev + 0, 23) to (start + 0, 29) + = (c1 - c2) +- Branch { true: Counter(3), false: Expression(8, Sub) } at (prev + 0, 23) to (start + 0, 29) + true = c3 + false = ((c1 - c2) - c3) +- Code(Expression(14, Add)) at (prev + 0, 35) to (start + 0, 40) + = (c2 + c3) +- Branch { true: Counter(4), false: Expression(13, Sub) } at (prev + 0, 35) to (start + 0, 40) + true = c4 + false = ((c2 + c3) - c4) +- Code(Expression(13, Sub)) at (prev + 0, 44) to (start + 0, 51) + = ((c2 + c3) - c4) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 0, 17) + = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) +- Code(Expression(22, Add)) at (prev + 3, 9) to (start + 0, 10) + = (c6 + (c7 + c8)) +- Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 19) + = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) +- Branch { true: Counter(5), false: Expression(21, Sub) } at (prev + 0, 14) to (start + 0, 19) + true = c5 + false = (((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) - c5) +- Code(Counter(5)) at (prev + 0, 23) to (start + 0, 28) +- Branch { true: Counter(6), false: Expression(20, Sub) } at (prev + 0, 23) to (start + 0, 28) + true = c6 + false = (c5 - c6) +- Code(Expression(19, Add)) at (prev + 0, 34) to (start + 0, 40) + = ((c5 - c6) + (((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) - c5)) +- Branch { true: Counter(7), false: Counter(8) } at (prev + 0, 34) to (start + 0, 40) + true = c7 + false = c8 +- Code(Counter(7)) at (prev + 0, 44) to (start + 0, 51) +- Code(Expression(22, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c6 + (c7 + c8)) + diff --git a/tests/coverage/branch/lazy-boolean.coverage b/tests/coverage/branch/lazy-boolean.coverage new file mode 100644 index 00000000000..f6aba1da46e --- /dev/null +++ b/tests/coverage/branch/lazy-boolean.coverage @@ -0,0 +1,113 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |// Tests for branch coverage of the lazy boolean operators `&&` and `||`, + LL| |// as ordinary expressions that aren't part of an `if` condition or similar. + LL| | + LL| |use core::hint::black_box; + LL| | + LL| |// Helper macro to prevent start-of-function spans from being merged into + LL| |// spans on the lines we care about. + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| 15|fn branch_and(a: bool, b: bool) { + LL| 15| no_merge!(); + LL| | + LL| | // |13 |18 (no branch) + LL| 15| let c = a && b; + ^12 + ------------------ + | Branch (LL:13): [True: 12, False: 3] + ------------------ + LL| 15| black_box(c); + LL| 15|} + LL| | + LL| 15|fn branch_or(a: bool, b: bool) { + LL| 15| no_merge!(); + LL| | + LL| | // |13 |18 (no branch) + LL| 15| let c = a || b; + ^3 + ------------------ + | Branch (LL:13): [True: 12, False: 3] + ------------------ + LL| 15| black_box(c); + LL| 15|} + LL| | + LL| |// Test for chaining one operator several times. + LL| 16|fn chain(x: u32) { + LL| 16| no_merge!(); + LL| | + LL| | // |13 |22 |31 |40 (no branch) + LL| 16| let c = x > 1 && x > 2 && x > 4 && x > 8; + ^14 ^13 ^11 + ------------------ + | Branch (LL:13): [True: 14, False: 2] + | Branch (LL:22): [True: 13, False: 1] + | Branch (LL:31): [True: 11, False: 2] + ------------------ + LL| 16| black_box(c); + LL| | + LL| | // |13 |22 |31 |40 (no branch) + LL| 16| let d = x < 1 || x < 2 || x < 4 || x < 8; + ^15 ^14 ^12 + ------------------ + | Branch (LL:13): [True: 1, False: 15] + | Branch (LL:22): [True: 1, False: 14] + | Branch (LL:31): [True: 2, False: 12] + ------------------ + LL| 16| black_box(d); + LL| 16|} + LL| | + LL| |// Test for nested combinations of different operators. + LL| 16|fn nested_mixed(x: u32) { + LL| 16| no_merge!(); + LL| | + LL| | // |14 |23 |35 |44 (no branch) + LL| 16| let c = (x < 4 || x >= 9) && (x < 2 || x >= 10); + ^12 ^11 ^9 + ------------------ + | Branch (LL:14): [True: 4, False: 12] + | Branch (LL:23): [True: 7, False: 5] + | Branch (LL:35): [True: 2, False: 9] + ------------------ + LL| 16| black_box(c); + LL| | + LL| | // |14 |23 |34 |44 (no branch) + LL| 16| let d = (x < 4 && x < 1) || (x >= 8 && x >= 10); + ^4 ^15 ^8 + ------------------ + | Branch (LL:14): [True: 4, False: 12] + | Branch (LL:23): [True: 1, False: 3] + | Branch (LL:34): [True: 8, False: 7] + ------------------ + LL| 16| black_box(d); + LL| 16|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | // Use each set of arguments (2^n) times, so that each combination has a + LL| | // unique sum, and we can use those sums to verify expected control flow. + LL| | // 1x (false, false) + LL| | // 2x (false, true) + LL| | // 4x (true, false) + LL| | // 8x (true, true) + LL| | for a in [false, true, true, true, true] { + LL| | for b in [false, true, true] { + LL| | branch_and(a, b); + LL| | branch_or(a, b); + LL| | } + LL| | } + LL| | + LL| | for x in 0..16 { + LL| | chain(x); + LL| | nested_mixed(x); + LL| | } + LL| |} + diff --git a/tests/coverage/branch/lazy-boolean.rs b/tests/coverage/branch/lazy-boolean.rs new file mode 100644 index 00000000000..3c73fc1a87d --- /dev/null +++ b/tests/coverage/branch/lazy-boolean.rs @@ -0,0 +1,80 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=branch +//@ llvm-cov-flags: --show-branches=count + +// Tests for branch coverage of the lazy boolean operators `&&` and `||`, +// as ordinary expressions that aren't part of an `if` condition or similar. + +use core::hint::black_box; + +// Helper macro to prevent start-of-function spans from being merged into +// spans on the lines we care about. +macro_rules! no_merge { + () => { + for _ in 0..1 {} + }; +} + +fn branch_and(a: bool, b: bool) { + no_merge!(); + + // |13 |18 (no branch) + let c = a && b; + black_box(c); +} + +fn branch_or(a: bool, b: bool) { + no_merge!(); + + // |13 |18 (no branch) + let c = a || b; + black_box(c); +} + +// Test for chaining one operator several times. +fn chain(x: u32) { + no_merge!(); + + // |13 |22 |31 |40 (no branch) + let c = x > 1 && x > 2 && x > 4 && x > 8; + black_box(c); + + // |13 |22 |31 |40 (no branch) + let d = x < 1 || x < 2 || x < 4 || x < 8; + black_box(d); +} + +// Test for nested combinations of different operators. +fn nested_mixed(x: u32) { + no_merge!(); + + // |14 |23 |35 |44 (no branch) + let c = (x < 4 || x >= 9) && (x < 2 || x >= 10); + black_box(c); + + // |14 |23 |34 |44 (no branch) + let d = (x < 4 && x < 1) || (x >= 8 && x >= 10); + black_box(d); +} + +#[coverage(off)] +fn main() { + // Use each set of arguments (2^n) times, so that each combination has a + // unique sum, and we can use those sums to verify expected control flow. + // 1x (false, false) + // 2x (false, true) + // 4x (true, false) + // 8x (true, true) + for a in [false, true, true, true, true] { + for b in [false, true, true] { + branch_and(a, b); + branch_or(a, b); + } + } + + for x in 0..16 { + chain(x); + nested_mixed(x); + } +} diff --git a/tests/coverage/branch/let-else.cov-map b/tests/coverage/branch/let-else.cov-map new file mode 100644 index 00000000000..ad987bd6bb1 --- /dev/null +++ b/tests/coverage/branch/let-else.cov-map @@ -0,0 +1,18 @@ +Function name: let_else::let_else +Raw bytes (38): 0x[01, 01, 02, 05, 09, 09, 02, 06, 01, 0c, 01, 01, 10, 02, 03, 0e, 00, 0f, 05, 00, 13, 00, 18, 09, 01, 09, 01, 0f, 02, 04, 05, 00, 0b, 07, 01, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 2 +- expression 0 operands: lhs = Counter(1), rhs = Counter(2) +- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 6 +- Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16) +- Code(Expression(0, Sub)) at (prev + 3, 14) to (start + 0, 15) + = (c1 - c2) +- Code(Counter(1)) at (prev + 0, 19) to (start + 0, 24) +- Code(Counter(2)) at (prev + 1, 9) to (start + 1, 15) +- Code(Expression(0, Sub)) at (prev + 4, 5) to (start + 0, 11) + = (c1 - c2) +- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) + = (c2 + (c1 - c2)) + diff --git a/tests/coverage/branch/let-else.coverage b/tests/coverage/branch/let-else.coverage new file mode 100644 index 00000000000..83730e1dfba --- /dev/null +++ b/tests/coverage/branch/let-else.coverage @@ -0,0 +1,37 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| 3|fn let_else(value: Option<&str>) { + LL| 3| no_merge!(); + LL| | + LL| 3| let Some(x) = value else { + ^2 + LL| 1| say("none"); + LL| 1| return; + LL| | }; + LL| | + LL| 2| say(x); + LL| 3|} + LL| | + LL| |#[coverage(off)] + LL| |fn say(message: &str) { + LL| | core::hint::black_box(message); + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | let_else(Some("x")); + LL| | let_else(Some("x")); + LL| | let_else(None); + LL| |} + LL| | + LL| |// FIXME(#124118) Actually instrument let-else for branch coverage. + diff --git a/tests/coverage/branch/let-else.rs b/tests/coverage/branch/let-else.rs new file mode 100644 index 00000000000..af0665d8241 --- /dev/null +++ b/tests/coverage/branch/let-else.rs @@ -0,0 +1,35 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=branch +//@ llvm-cov-flags: --show-branches=count + +macro_rules! no_merge { + () => { + for _ in 0..1 {} + }; +} + +fn let_else(value: Option<&str>) { + no_merge!(); + + let Some(x) = value else { + say("none"); + return; + }; + + say(x); +} + +#[coverage(off)] +fn say(message: &str) { + core::hint::black_box(message); +} + +#[coverage(off)] +fn main() { + let_else(Some("x")); + let_else(Some("x")); + let_else(None); +} + +// FIXME(#124118) Actually instrument let-else for branch coverage. diff --git a/tests/coverage/branch/match-arms.cov-map b/tests/coverage/branch/match-arms.cov-map new file mode 100644 index 00000000000..1f17f11baaa --- /dev/null +++ b/tests/coverage/branch/match-arms.cov-map @@ -0,0 +1,92 @@ +Function name: match_arms::guards +Raw bytes (88): 0x[01, 01, 08, 07, 15, 0b, 11, 0f, 0d, 00, 09, 17, 25, 1b, 21, 1f, 1d, 03, 19, 0c, 01, 30, 01, 01, 10, 29, 03, 0b, 00, 10, 19, 01, 11, 00, 29, 20, 19, 09, 00, 17, 00, 1b, 1d, 01, 11, 00, 29, 20, 1d, 0d, 00, 17, 00, 1b, 21, 01, 11, 00, 29, 20, 21, 11, 00, 17, 00, 1b, 25, 01, 11, 00, 29, 20, 25, 15, 00, 17, 00, 1b, 03, 01, 0e, 00, 18, 13, 03, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 8 +- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(5) +- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(4) +- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3) +- expression 3 operands: lhs = Zero, rhs = Counter(2) +- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(9) +- expression 5 operands: lhs = Expression(6, Add), rhs = Counter(8) +- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(7) +- expression 7 operands: lhs = Expression(0, Add), rhs = Counter(6) +Number of file 0 mappings: 12 +- Code(Counter(0)) at (prev + 48, 1) to (start + 1, 16) +- Code(Counter(10)) at (prev + 3, 11) to (start + 0, 16) +- Code(Counter(6)) at (prev + 1, 17) to (start + 0, 41) +- Branch { true: Counter(6), false: Counter(2) } at (prev + 0, 23) to (start + 0, 27) + true = c6 + false = c2 +- Code(Counter(7)) at (prev + 1, 17) to (start + 0, 41) +- Branch { true: Counter(7), false: Counter(3) } at (prev + 0, 23) to (start + 0, 27) + true = c7 + false = c3 +- Code(Counter(8)) at (prev + 1, 17) to (start + 0, 41) +- Branch { true: Counter(8), false: Counter(4) } at (prev + 0, 23) to (start + 0, 27) + true = c8 + false = c4 +- Code(Counter(9)) at (prev + 1, 17) to (start + 0, 41) +- Branch { true: Counter(9), false: Counter(5) } at (prev + 0, 23) to (start + 0, 27) + true = c9 + false = c5 +- Code(Expression(0, Add)) at (prev + 1, 14) to (start + 0, 24) + = ((((Zero + c2) + c3) + c4) + c5) +- Code(Expression(4, Add)) at (prev + 3, 5) to (start + 1, 2) + = ((((((((Zero + c2) + c3) + c4) + c5) + c6) + c7) + c8) + c9) + +Function name: match_arms::match_arms +Raw bytes (51): 0x[01, 01, 06, 05, 07, 0b, 11, 09, 0d, 13, 02, 17, 09, 11, 0d, 07, 01, 18, 01, 01, 10, 05, 03, 0b, 00, 10, 11, 01, 11, 00, 21, 0d, 01, 11, 00, 21, 09, 01, 11, 00, 21, 02, 01, 11, 00, 21, 0f, 03, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 6 +- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add) +- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(4) +- expression 2 operands: lhs = Counter(2), rhs = Counter(3) +- expression 3 operands: lhs = Expression(4, Add), rhs = Expression(0, Sub) +- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(2) +- expression 5 operands: lhs = Counter(4), rhs = Counter(3) +Number of file 0 mappings: 7 +- Code(Counter(0)) at (prev + 24, 1) to (start + 1, 16) +- Code(Counter(1)) at (prev + 3, 11) to (start + 0, 16) +- Code(Counter(4)) at (prev + 1, 17) to (start + 0, 33) +- Code(Counter(3)) at (prev + 1, 17) to (start + 0, 33) +- Code(Counter(2)) at (prev + 1, 17) to (start + 0, 33) +- Code(Expression(0, Sub)) at (prev + 1, 17) to (start + 0, 33) + = (c1 - ((c2 + c3) + c4)) +- Code(Expression(3, Add)) at (prev + 3, 5) to (start + 1, 2) + = (((c4 + c3) + c2) + (c1 - ((c2 + c3) + c4))) + +Function name: match_arms::or_patterns +Raw bytes (75): 0x[01, 01, 0d, 11, 0d, 05, 2f, 33, 11, 09, 0d, 09, 2a, 05, 2f, 33, 11, 09, 0d, 03, 27, 09, 2a, 05, 2f, 33, 11, 09, 0d, 09, 01, 25, 01, 01, 10, 05, 03, 0b, 00, 10, 11, 01, 11, 00, 12, 0d, 00, 1e, 00, 1f, 03, 00, 24, 00, 2e, 09, 01, 11, 00, 12, 2a, 00, 1e, 00, 1f, 27, 00, 24, 00, 2e, 23, 03, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 13 +- expression 0 operands: lhs = Counter(4), rhs = Counter(3) +- expression 1 operands: lhs = Counter(1), rhs = Expression(11, Add) +- expression 2 operands: lhs = Expression(12, Add), rhs = Counter(4) +- expression 3 operands: lhs = Counter(2), rhs = Counter(3) +- expression 4 operands: lhs = Counter(2), rhs = Expression(10, Sub) +- expression 5 operands: lhs = Counter(1), rhs = Expression(11, Add) +- expression 6 operands: lhs = Expression(12, Add), rhs = Counter(4) +- expression 7 operands: lhs = Counter(2), rhs = Counter(3) +- expression 8 operands: lhs = Expression(0, Add), rhs = Expression(9, Add) +- expression 9 operands: lhs = Counter(2), rhs = Expression(10, Sub) +- expression 10 operands: lhs = Counter(1), rhs = Expression(11, Add) +- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(4) +- expression 12 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 9 +- Code(Counter(0)) at (prev + 37, 1) to (start + 1, 16) +- Code(Counter(1)) at (prev + 3, 11) to (start + 0, 16) +- Code(Counter(4)) at (prev + 1, 17) to (start + 0, 18) +- Code(Counter(3)) at (prev + 0, 30) to (start + 0, 31) +- Code(Expression(0, Add)) at (prev + 0, 36) to (start + 0, 46) + = (c4 + c3) +- Code(Counter(2)) at (prev + 1, 17) to (start + 0, 18) +- Code(Expression(10, Sub)) at (prev + 0, 30) to (start + 0, 31) + = (c1 - ((c2 + c3) + c4)) +- Code(Expression(9, Add)) at (prev + 0, 36) to (start + 0, 46) + = (c2 + (c1 - ((c2 + c3) + c4))) +- Code(Expression(8, Add)) at (prev + 3, 5) to (start + 1, 2) + = ((c4 + c3) + (c2 + (c1 - ((c2 + c3) + c4)))) + diff --git a/tests/coverage/branch/match-arms.coverage b/tests/coverage/branch/match-arms.coverage new file mode 100644 index 00000000000..ea8a6f97ab1 --- /dev/null +++ b/tests/coverage/branch/match-arms.coverage @@ -0,0 +1,105 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |// Tests for branch coverage of various kinds of match arms. + LL| | + LL| |// Helper macro to prevent start-of-function spans from being merged into + LL| |// spans on the lines we care about. + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| |#[derive(Clone, Copy, Debug)] + LL| |enum Enum { + LL| | A(u32), + LL| | B(u32), + LL| | C(u32), + LL| | D(u32), + LL| |} + LL| | + LL| 15|fn match_arms(value: Enum) { + LL| 15| no_merge!(); + LL| | + LL| 15| match value { + LL| 8| Enum::D(d) => consume(d), + LL| 4| Enum::C(c) => consume(c), + LL| 2| Enum::B(b) => consume(b), + LL| 1| Enum::A(a) => consume(a), + LL| | } + LL| | + LL| 15| consume(0); + LL| 15|} + LL| | + LL| 15|fn or_patterns(value: Enum) { + LL| 15| no_merge!(); + LL| | + LL| 15| match value { + LL| 12| Enum::D(x) | Enum::C(x) => consume(x), + ^8 ^4 + LL| 3| Enum::B(y) | Enum::A(y) => consume(y), + ^2 ^1 + LL| | } + LL| | + LL| 15| consume(0); + LL| 15|} + LL| | + LL| 45|fn guards(value: Enum, cond: bool) { + LL| 45| no_merge!(); + LL| | + LL| 3| match value { + LL| 8| Enum::D(d) if cond => consume(d), + ------------------ + | Branch (LL:23): [True: 8, False: 16] + ------------------ + LL| 4| Enum::C(c) if cond => consume(c), + ------------------ + | Branch (LL:23): [True: 4, False: 8] + ------------------ + LL| 2| Enum::B(b) if cond => consume(b), + ------------------ + | Branch (LL:23): [True: 2, False: 4] + ------------------ + LL| 1| Enum::A(a) if cond => consume(a), + ------------------ + | Branch (LL:23): [True: 1, False: 2] + ------------------ + LL| 30| _ => consume(0), + LL| | } + LL| | + LL| 45| consume(0); + LL| 45|} + LL| | + LL| |#[coverage(off)] + LL| |fn consume<T>(x: T) { + LL| | core::hint::black_box(x); + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | #[coverage(off)] + LL| | fn call_everything(e: Enum) { + LL| | match_arms(e); + LL| | or_patterns(e); + LL| | for cond in [false, false, true] { + LL| | guards(e, cond); + LL| | } + LL| | } + LL| | + LL| | call_everything(Enum::A(0)); + LL| | for b in 0..2 { + LL| | call_everything(Enum::B(b)); + LL| | } + LL| | for c in 0..4 { + LL| | call_everything(Enum::C(c)); + LL| | } + LL| | for d in 0..8 { + LL| | call_everything(Enum::D(d)); + LL| | } + LL| |} + LL| | + LL| |// FIXME(#124118) Actually instrument match arms for branch coverage. + diff --git a/tests/coverage/branch/match-arms.rs b/tests/coverage/branch/match-arms.rs new file mode 100644 index 00000000000..63151f59ffe --- /dev/null +++ b/tests/coverage/branch/match-arms.rs @@ -0,0 +1,90 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=branch +//@ llvm-cov-flags: --show-branches=count + +// Tests for branch coverage of various kinds of match arms. + +// Helper macro to prevent start-of-function spans from being merged into +// spans on the lines we care about. +macro_rules! no_merge { + () => { + for _ in 0..1 {} + }; +} + +#[derive(Clone, Copy, Debug)] +enum Enum { + A(u32), + B(u32), + C(u32), + D(u32), +} + +fn match_arms(value: Enum) { + no_merge!(); + + match value { + Enum::D(d) => consume(d), + Enum::C(c) => consume(c), + Enum::B(b) => consume(b), + Enum::A(a) => consume(a), + } + + consume(0); +} + +fn or_patterns(value: Enum) { + no_merge!(); + + match value { + Enum::D(x) | Enum::C(x) => consume(x), + Enum::B(y) | Enum::A(y) => consume(y), + } + + consume(0); +} + +fn guards(value: Enum, cond: bool) { + no_merge!(); + + match value { + Enum::D(d) if cond => consume(d), + Enum::C(c) if cond => consume(c), + Enum::B(b) if cond => consume(b), + Enum::A(a) if cond => consume(a), + _ => consume(0), + } + + consume(0); +} + +#[coverage(off)] +fn consume<T>(x: T) { + core::hint::black_box(x); +} + +#[coverage(off)] +fn main() { + #[coverage(off)] + fn call_everything(e: Enum) { + match_arms(e); + or_patterns(e); + for cond in [false, false, true] { + guards(e, cond); + } + } + + call_everything(Enum::A(0)); + for b in 0..2 { + call_everything(Enum::B(b)); + } + for c in 0..4 { + call_everything(Enum::C(c)); + } + for d in 0..8 { + call_everything(Enum::D(d)); + } +} + +// FIXME(#124118) Actually instrument match arms for branch coverage. diff --git a/tests/coverage/branch/match-trivial.cov-map b/tests/coverage/branch/match-trivial.cov-map new file mode 100644 index 00000000000..1136a529b25 --- /dev/null +++ b/tests/coverage/branch/match-trivial.cov-map @@ -0,0 +1,17 @@ +Function name: match_trivial::_uninhabited (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 16, 01, 01, 10] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 22, 1) to (start + 1, 16) + +Function name: match_trivial::trivial +Raw bytes (14): 0x[01, 01, 00, 02, 01, 1e, 01, 01, 10, 05, 03, 0b, 05, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Counter(0)) at (prev + 30, 1) to (start + 1, 16) +- Code(Counter(1)) at (prev + 3, 11) to (start + 5, 2) + diff --git a/tests/coverage/branch/match-trivial.coverage b/tests/coverage/branch/match-trivial.coverage new file mode 100644 index 00000000000..4ffb172e1b6 --- /dev/null +++ b/tests/coverage/branch/match-trivial.coverage @@ -0,0 +1,49 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |// When instrumenting match expressions for branch coverage, make sure we don't + LL| |// cause an ICE or produce weird coverage output for matches with <2 arms. + LL| | + LL| |// Helper macro to prevent start-of-function spans from being merged into + LL| |// spans on the lines we care about. + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| |enum Uninhabited {} + LL| |enum Trivial { + LL| | Value, + LL| |} + LL| | + LL| 0|fn _uninhabited(x: Uninhabited) { + LL| 0| no_merge!(); + LL| | + LL| | match x {} + LL| | + LL| | consume("done"); + LL| |} + LL| | + LL| 1|fn trivial(x: Trivial) { + LL| 1| no_merge!(); + LL| | + LL| 1| match x { + LL| 1| Trivial::Value => consume("trivial"), + LL| 1| } + LL| 1| + LL| 1| consume("done"); + LL| 1|} + LL| | + LL| |#[coverage(off)] + LL| |fn consume<T>(x: T) { + LL| | core::hint::black_box(x); + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | trivial(Trivial::Value); + LL| |} + diff --git a/tests/coverage/branch/match-trivial.rs b/tests/coverage/branch/match-trivial.rs new file mode 100644 index 00000000000..db8887a26b7 --- /dev/null +++ b/tests/coverage/branch/match-trivial.rs @@ -0,0 +1,48 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=branch +//@ llvm-cov-flags: --show-branches=count + +// When instrumenting match expressions for branch coverage, make sure we don't +// cause an ICE or produce weird coverage output for matches with <2 arms. + +// Helper macro to prevent start-of-function spans from being merged into +// spans on the lines we care about. +macro_rules! no_merge { + () => { + for _ in 0..1 {} + }; +} + +enum Uninhabited {} +enum Trivial { + Value, +} + +fn _uninhabited(x: Uninhabited) { + no_merge!(); + + match x {} + + consume("done"); +} + +fn trivial(x: Trivial) { + no_merge!(); + + match x { + Trivial::Value => consume("trivial"), + } + + consume("done"); +} + +#[coverage(off)] +fn consume<T>(x: T) { + core::hint::black_box(x); +} + +#[coverage(off)] +fn main() { + trivial(Trivial::Value); +} diff --git a/tests/coverage/branch_while.cov-map b/tests/coverage/branch/while.cov-map index d5f54f1abea..5a3ef096bed 100644 --- a/tests/coverage/branch_while.cov-map +++ b/tests/coverage/branch/while.cov-map @@ -1,4 +1,4 @@ -Function name: branch_while::while_cond +Function name: while::while_cond Raw bytes (42): 0x[01, 01, 03, 05, 09, 03, 09, 03, 09, 06, 01, 0c, 01, 01, 10, 05, 03, 09, 00, 12, 03, 01, 0b, 00, 10, 20, 09, 0a, 00, 0b, 00, 10, 09, 00, 11, 02, 06, 0a, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -18,7 +18,7 @@ Number of file 0 mappings: 6 - Code(Expression(2, Sub)) at (prev + 3, 1) to (start + 0, 2) = ((c1 + c2) - c2) -Function name: branch_while::while_cond_not +Function name: while::while_cond_not Raw bytes (42): 0x[01, 01, 03, 05, 09, 03, 09, 03, 09, 06, 01, 15, 01, 01, 10, 05, 03, 09, 00, 12, 03, 01, 0b, 00, 14, 20, 09, 0a, 00, 0b, 00, 14, 09, 00, 15, 02, 06, 0a, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -38,7 +38,7 @@ Number of file 0 mappings: 6 - Code(Expression(2, Sub)) at (prev + 3, 1) to (start + 0, 2) = ((c1 + c2) - c2) -Function name: branch_while::while_op_and +Function name: while::while_op_and Raw bytes (56): 0x[01, 01, 04, 05, 09, 03, 0d, 03, 0d, 11, 0d, 08, 01, 1e, 01, 01, 10, 05, 03, 09, 01, 12, 03, 02, 0b, 00, 10, 20, 0a, 0d, 00, 0b, 00, 10, 0a, 00, 14, 00, 19, 20, 09, 11, 00, 14, 00, 19, 09, 00, 1a, 03, 06, 0f, 04, 01, 00, 02] Number of files: 1 - file 0 => global file 1 @@ -64,7 +64,7 @@ Number of file 0 mappings: 8 - Code(Expression(3, Add)) at (prev + 4, 1) to (start + 0, 2) = (c4 + c3) -Function name: branch_while::while_op_or +Function name: while::while_op_or Raw bytes (66): 0x[01, 01, 09, 05, 1b, 09, 0d, 03, 09, 03, 09, 22, 0d, 03, 09, 09, 0d, 22, 0d, 03, 09, 08, 01, 29, 01, 01, 10, 05, 03, 09, 01, 12, 03, 02, 0b, 00, 10, 20, 09, 22, 00, 0b, 00, 10, 22, 00, 14, 00, 19, 20, 0d, 1e, 00, 14, 00, 19, 1b, 00, 1a, 03, 06, 1e, 04, 01, 00, 02] Number of files: 1 - file 0 => global file 1 diff --git a/tests/coverage/branch_while.coverage b/tests/coverage/branch/while.coverage index 8d9a6c3bc68..8d9a6c3bc68 100644 --- a/tests/coverage/branch_while.coverage +++ b/tests/coverage/branch/while.coverage diff --git a/tests/coverage/branch_while.rs b/tests/coverage/branch/while.rs index 507815fbecb..507815fbecb 100644 --- a/tests/coverage/branch_while.rs +++ b/tests/coverage/branch/while.rs diff --git a/tests/coverage/coroutine.cov-map b/tests/coverage/coroutine.cov-map index ef9faab590b..255708d365e 100644 --- a/tests/coverage/coroutine.cov-map +++ b/tests/coverage/coroutine.cov-map @@ -43,11 +43,11 @@ Number of file 0 mappings: 9 = ((c4 - c5) - c6) Function name: coroutine::main::{closure#0} -Raw bytes (14): 0x[01, 01, 00, 02, 01, 15, 1c, 01, 1f, 05, 02, 10, 01, 06] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 15, 29, 01, 1f, 05, 02, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 2 -- Code(Counter(0)) at (prev + 21, 28) to (start + 1, 31) +- Code(Counter(0)) at (prev + 21, 41) to (start + 1, 31) - Code(Counter(1)) at (prev + 2, 16) to (start + 1, 6) diff --git a/tests/coverage/coroutine.coverage b/tests/coverage/coroutine.coverage index bd3d4e46880..68b52d19831 100644 --- a/tests/coverage/coroutine.coverage +++ b/tests/coverage/coroutine.coverage @@ -1,4 +1,4 @@ - LL| |#![feature(coroutines, coroutine_trait)] + LL| |#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] LL| | LL| |use std::ops::{Coroutine, CoroutineState}; LL| |use std::pin::Pin; @@ -18,7 +18,7 @@ LL| | LL| 1|fn main() { LL| 1| let is_true = std::env::args().len() == 1; - LL| 1| let mut coroutine = || { + LL| 1| let mut coroutine = #[coroutine] || { LL| 1| yield get_u32(is_true); LL| 1| return "foo"; LL| 1| }; diff --git a/tests/coverage/coroutine.rs b/tests/coverage/coroutine.rs index 2aa689466fc..7f72e0d8bd4 100644 --- a/tests/coverage/coroutine.rs +++ b/tests/coverage/coroutine.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; @@ -18,7 +18,7 @@ fn get_u32(val: bool) -> Result<u32, String> { fn main() { let is_true = std::env::args().len() == 1; - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield get_u32(is_true); return "foo"; }; diff --git a/tests/coverage/issue-83601.cov-map b/tests/coverage/issue-83601.cov-map index f2447e3c92c..ddb4407881a 100644 --- a/tests/coverage/issue-83601.cov-map +++ b/tests/coverage/issue-83601.cov-map @@ -1,12 +1,12 @@ Function name: issue_83601::main -Raw bytes (21): 0x[01, 01, 01, 05, 09, 03, 01, 06, 01, 02, 1c, 05, 03, 09, 01, 1c, 02, 02, 05, 03, 02] +Raw bytes (21): 0x[01, 01, 01, 05, 00, 03, 01, 06, 01, 02, 1c, 05, 03, 09, 01, 1c, 02, 02, 05, 03, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 1 -- expression 0 operands: lhs = Counter(1), rhs = Counter(2) +- expression 0 operands: lhs = Counter(1), rhs = Zero Number of file 0 mappings: 3 - Code(Counter(0)) at (prev + 6, 1) to (start + 2, 28) - Code(Counter(1)) at (prev + 3, 9) to (start + 1, 28) - Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 3, 2) - = (c1 - c2) + = (c1 - Zero) diff --git a/tests/coverage/issue-84561.cov-map b/tests/coverage/issue-84561.cov-map index a81884ea942..ab66a2fffce 100644 --- a/tests/coverage/issue-84561.cov-map +++ b/tests/coverage/issue-84561.cov-map @@ -77,22 +77,22 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 167, 9) to (start + 2, 10) Function name: issue_84561::test3 -Raw bytes (436): 0x[01, 01, 41, 05, 09, 0d, 00, 15, 19, 12, 00, 15, 19, 21, 00, 1e, 00, 21, 00, 31, 00, 3d, 41, 2e, 45, 3d, 41, 42, 49, 45, 00, 3f, 51, 42, 49, 45, 00, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 92, 01, 55, 51, 00, 8f, 01, 5d, 92, 01, 55, 51, 00, 87, 01, 61, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 82, 01, 65, 87, 01, 61, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, 00, fe, 01, 82, 02, 00, 69, 6d, 69, 6d, 82, 02, 00, 69, 6d, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, f3, 01, 7d, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, ee, 01, 00, f3, 01, 7d, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, 33, 01, 08, 01, 03, 1c, 05, 04, 09, 01, 1c, 02, 02, 05, 04, 1f, 0d, 05, 05, 00, 1f, 06, 01, 05, 00, 1f, 15, 01, 09, 01, 1c, 12, 02, 05, 00, 1f, 0e, 01, 05, 00, 0f, 00, 00, 20, 00, 30, 21, 01, 05, 03, 0f, 00, 03, 20, 00, 30, 00, 00, 33, 00, 41, 00, 00, 4b, 00, 5a, 1e, 01, 05, 00, 0f, 00, 05, 09, 03, 10, 00, 05, 0d, 00, 1b, 00, 02, 0d, 00, 1c, 1a, 04, 09, 05, 06, 31, 06, 05, 03, 06, 22, 04, 05, 03, 06, 3d, 04, 09, 04, 06, 2e, 05, 08, 00, 0f, 45, 01, 09, 03, 0a, 2a, 05, 09, 03, 0a, 3f, 05, 08, 00, 0f, 51, 01, 09, 00, 13, 00, 03, 0d, 00, 1d, 3a, 03, 09, 00, 13, 00, 03, 0d, 00, 1d, 87, 01, 03, 05, 00, 0f, 8f, 01, 01, 0c, 00, 13, 5d, 01, 0d, 00, 13, 8a, 01, 02, 0d, 00, 13, 82, 01, 04, 05, 02, 13, 65, 03, 0d, 00, 13, 7e, 02, 0d, 00, 13, f3, 01, 03, 05, 00, 0f, 69, 01, 0c, 00, 13, 6d, 01, 0d, 03, 0e, 75, 04, 0d, 00, 13, fb, 01, 02, 0d, 00, 17, 82, 02, 01, 14, 00, 1b, 00, 01, 15, 00, 1b, fe, 01, 02, 15, 00, 1b, f6, 01, 04, 0d, 00, 13, 7d, 03, 09, 00, 19, ee, 01, 02, 05, 00, 0f, ea, 01, 03, 09, 00, 22, 00, 02, 05, 00, 0f, 00, 03, 09, 00, 2c, 00, 02, 01, 00, 02] +Raw bytes (436): 0x[01, 01, 41, 05, 00, 0d, 00, 15, 00, 12, 00, 15, 00, 21, 00, 1e, 00, 21, 00, 31, 00, 3d, 00, 2e, 45, 3d, 00, 42, 49, 45, 00, 3f, 51, 42, 49, 45, 00, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 92, 01, 55, 51, 00, 8f, 01, 5d, 92, 01, 55, 51, 00, 87, 01, 61, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 82, 01, 65, 87, 01, 61, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, 00, fe, 01, 82, 02, 00, 69, 6d, 69, 6d, 82, 02, 00, 69, 6d, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, f3, 01, 7d, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, ee, 01, 00, f3, 01, 7d, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, 33, 01, 08, 01, 03, 1c, 05, 04, 09, 01, 1c, 02, 02, 05, 04, 1f, 0d, 05, 05, 00, 1f, 06, 01, 05, 00, 1f, 15, 01, 09, 01, 1c, 12, 02, 05, 00, 1f, 0e, 01, 05, 00, 0f, 00, 00, 20, 00, 30, 21, 01, 05, 03, 0f, 00, 03, 20, 00, 30, 00, 00, 33, 00, 41, 00, 00, 4b, 00, 5a, 1e, 01, 05, 00, 0f, 00, 05, 09, 03, 10, 00, 05, 0d, 00, 1b, 00, 02, 0d, 00, 1c, 1a, 04, 09, 05, 06, 31, 06, 05, 03, 06, 22, 04, 05, 03, 06, 3d, 04, 09, 04, 06, 2e, 05, 08, 00, 0f, 45, 01, 09, 03, 0a, 2a, 05, 09, 03, 0a, 3f, 05, 08, 00, 0f, 51, 01, 09, 00, 13, 00, 03, 0d, 00, 1d, 3a, 03, 09, 00, 13, 00, 03, 0d, 00, 1d, 87, 01, 03, 05, 00, 0f, 8f, 01, 01, 0c, 00, 13, 5d, 01, 0d, 00, 13, 8a, 01, 02, 0d, 00, 13, 82, 01, 04, 05, 02, 13, 65, 03, 0d, 00, 13, 7e, 02, 0d, 00, 13, f3, 01, 03, 05, 00, 0f, 69, 01, 0c, 00, 13, 6d, 01, 0d, 03, 0e, 75, 04, 0d, 00, 13, fb, 01, 02, 0d, 00, 17, 82, 02, 01, 14, 00, 1b, 00, 01, 15, 00, 1b, fe, 01, 02, 15, 00, 1b, f6, 01, 04, 0d, 00, 13, 7d, 03, 09, 00, 19, ee, 01, 02, 05, 00, 0f, ea, 01, 03, 09, 00, 22, 00, 02, 05, 00, 0f, 00, 03, 09, 00, 2c, 00, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 65 -- expression 0 operands: lhs = Counter(1), rhs = Counter(2) +- expression 0 operands: lhs = Counter(1), rhs = Zero - expression 1 operands: lhs = Counter(3), rhs = Zero -- expression 2 operands: lhs = Counter(5), rhs = Counter(6) +- expression 2 operands: lhs = Counter(5), rhs = Zero - expression 3 operands: lhs = Expression(4, Sub), rhs = Zero -- expression 4 operands: lhs = Counter(5), rhs = Counter(6) +- expression 4 operands: lhs = Counter(5), rhs = Zero - expression 5 operands: lhs = Counter(8), rhs = Zero - expression 6 operands: lhs = Expression(7, Sub), rhs = Zero - expression 7 operands: lhs = Counter(8), rhs = Zero - expression 8 operands: lhs = Counter(12), rhs = Zero -- expression 9 operands: lhs = Counter(15), rhs = Counter(16) +- expression 9 operands: lhs = Counter(15), rhs = Zero - expression 10 operands: lhs = Expression(11, Sub), rhs = Counter(17) -- expression 11 operands: lhs = Counter(15), rhs = Counter(16) +- expression 11 operands: lhs = Counter(15), rhs = Zero - expression 12 operands: lhs = Expression(16, Sub), rhs = Counter(18) - expression 13 operands: lhs = Counter(17), rhs = Zero - expression 14 operands: lhs = Expression(15, Add), rhs = Counter(20) @@ -150,15 +150,15 @@ Number of file 0 mappings: 51 - Code(Counter(0)) at (prev + 8, 1) to (start + 3, 28) - Code(Counter(1)) at (prev + 4, 9) to (start + 1, 28) - Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 4, 31) - = (c1 - c2) + = (c1 - Zero) - Code(Counter(3)) at (prev + 5, 5) to (start + 0, 31) - Code(Expression(1, Sub)) at (prev + 1, 5) to (start + 0, 31) = (c3 - Zero) - Code(Counter(5)) at (prev + 1, 9) to (start + 1, 28) - Code(Expression(4, Sub)) at (prev + 2, 5) to (start + 0, 31) - = (c5 - c6) + = (c5 - Zero) - Code(Expression(3, Sub)) at (prev + 1, 5) to (start + 0, 15) - = ((c5 - c6) - Zero) + = ((c5 - Zero) - Zero) - Code(Zero) at (prev + 0, 32) to (start + 0, 48) - Code(Counter(8)) at (prev + 1, 5) to (start + 3, 15) - Code(Zero) at (prev + 3, 32) to (start + 0, 48) @@ -176,10 +176,10 @@ Number of file 0 mappings: 51 = (c12 - Zero) - Code(Counter(15)) at (prev + 4, 9) to (start + 4, 6) - Code(Expression(11, Sub)) at (prev + 5, 8) to (start + 0, 15) - = (c15 - c16) + = (c15 - Zero) - Code(Counter(17)) at (prev + 1, 9) to (start + 3, 10) - Code(Expression(10, Sub)) at (prev + 5, 9) to (start + 3, 10) - = ((c15 - c16) - c17) + = ((c15 - Zero) - c17) - Code(Expression(15, Add)) at (prev + 5, 8) to (start + 0, 15) = ((c17 - Zero) + c18) - Code(Counter(20)) at (prev + 1, 9) to (start + 0, 19) diff --git a/tests/coverage/mcdc_if.cov-map b/tests/coverage/mcdc_if.cov-map new file mode 100644 index 00000000000..35a265684d2 --- /dev/null +++ b/tests/coverage/mcdc_if.cov-map @@ -0,0 +1,218 @@ +Function name: mcdc_if::mcdc_check_a +Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 0f, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add) +- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 15, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = c3 + false = c2 +- Code(Counter(3)) at (prev + 0, 15) to (start + 2, 6) +- Code(Expression(3, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_if::mcdc_check_b +Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 17, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add) +- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 23, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = c3 + false = c2 +- Code(Counter(3)) at (prev + 0, 15) to (start + 2, 6) +- Code(Expression(3, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_if::mcdc_check_both +Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 1f, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add) +- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 31, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = c3 + false = c2 +- Code(Counter(3)) at (prev + 0, 15) to (start + 2, 6) +- Code(Expression(3, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_if::mcdc_check_neither +Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 07, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add) +- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 7, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = c3 + false = c2 +- Code(Counter(3)) at (prev + 0, 15) to (start + 2, 6) +- Code(Expression(3, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_if::mcdc_check_not_tree_decision +Raw bytes (87): 0x[01, 01, 08, 01, 05, 02, 09, 05, 09, 0d, 1e, 02, 09, 11, 1b, 0d, 1e, 02, 09, 0a, 01, 31, 01, 03, 0a, 28, 00, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 03, 00, 09, 00, 0a, 02, 00, 0e, 00, 0f, 30, 09, 1e, 03, 02, 00, 00, 0e, 00, 0f, 0b, 00, 14, 00, 15, 30, 11, 0d, 02, 00, 00, 00, 14, 00, 15, 11, 00, 16, 02, 06, 1b, 02, 0c, 02, 06, 17, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 8 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Expression(0, Sub), rhs = Counter(2) +- expression 2 operands: lhs = Counter(1), rhs = Counter(2) +- expression 3 operands: lhs = Counter(3), rhs = Expression(7, Sub) +- expression 4 operands: lhs = Expression(0, Sub), rhs = Counter(2) +- expression 5 operands: lhs = Counter(4), rhs = Expression(6, Add) +- expression 6 operands: lhs = Counter(3), rhs = Expression(7, Sub) +- expression 7 operands: lhs = Expression(0, Sub), rhs = Counter(2) +Number of file 0 mappings: 10 +- Code(Counter(0)) at (prev + 49, 1) to (start + 3, 10) +- MCDCDecision { bitmap_idx: 0, conditions_num: 3 } at (prev + 3, 8) to (start + 0, 21) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 3 } at (prev + 0, 9) to (start + 0, 10) + true = c1 + false = (c0 - c1) +- Code(Expression(0, Sub)) at (prev + 0, 14) to (start + 0, 15) + = (c0 - c1) +- MCDCBranch { true: Counter(2), false: Expression(7, Sub), condition_id: 3, true_next_id: 2, false_next_id: 0 } at (prev + 0, 14) to (start + 0, 15) + true = c2 + false = ((c0 - c1) - c2) +- Code(Expression(2, Add)) at (prev + 0, 20) to (start + 0, 21) + = (c1 + c2) +- MCDCBranch { true: Counter(4), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 20) to (start + 0, 21) + true = c4 + false = c3 +- Code(Counter(4)) at (prev + 0, 22) to (start + 2, 6) +- Code(Expression(6, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c3 + ((c0 - c1) - c2)) +- Code(Expression(5, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c4 + (c3 + ((c0 - c1) - c2))) + +Function name: mcdc_if::mcdc_check_tree_decision +Raw bytes (87): 0x[01, 01, 08, 01, 05, 05, 0d, 05, 0d, 0d, 11, 09, 02, 1b, 1f, 0d, 11, 09, 02, 0a, 01, 27, 01, 03, 09, 28, 00, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0e, 00, 0f, 30, 0d, 0a, 02, 00, 03, 00, 0e, 00, 0f, 0a, 00, 13, 00, 14, 30, 11, 09, 03, 00, 00, 00, 13, 00, 14, 1b, 00, 16, 02, 06, 1f, 02, 0c, 02, 06, 17, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 8 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(3) +- expression 2 operands: lhs = Counter(1), rhs = Counter(3) +- expression 3 operands: lhs = Counter(3), rhs = Counter(4) +- expression 4 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 5 operands: lhs = Expression(6, Add), rhs = Expression(7, Add) +- expression 6 operands: lhs = Counter(3), rhs = Counter(4) +- expression 7 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 10 +- Code(Counter(0)) at (prev + 39, 1) to (start + 3, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 3 } at (prev + 3, 8) to (start + 0, 21) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15) +- MCDCBranch { true: Counter(3), false: Expression(2, Sub), condition_id: 2, true_next_id: 0, false_next_id: 3 } at (prev + 0, 14) to (start + 0, 15) + true = c3 + false = (c1 - c3) +- Code(Expression(2, Sub)) at (prev + 0, 19) to (start + 0, 20) + = (c1 - c3) +- MCDCBranch { true: Counter(4), false: Counter(2), condition_id: 3, true_next_id: 0, false_next_id: 0 } at (prev + 0, 19) to (start + 0, 20) + true = c4 + false = c2 +- Code(Expression(6, Add)) at (prev + 0, 22) to (start + 2, 6) + = (c3 + c4) +- Code(Expression(7, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(5, Add)) at (prev + 3, 1) to (start + 0, 2) + = ((c3 + c4) + (c2 + (c0 - c1))) + +Function name: mcdc_if::mcdc_nested_if +Raw bytes (124): 0x[01, 01, 0d, 01, 05, 02, 09, 05, 09, 1b, 15, 05, 09, 1b, 15, 05, 09, 11, 15, 02, 09, 2b, 32, 0d, 2f, 11, 15, 02, 09, 0e, 01, 3b, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 00, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 30, 09, 32, 02, 00, 00, 00, 0d, 00, 0e, 1b, 01, 09, 01, 0d, 28, 01, 02, 01, 0c, 00, 12, 30, 16, 15, 01, 02, 00, 00, 0c, 00, 0d, 16, 00, 11, 00, 12, 30, 0d, 11, 02, 00, 00, 00, 11, 00, 12, 0d, 00, 13, 02, 0a, 2f, 02, 0a, 00, 0b, 32, 01, 0c, 02, 06, 27, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 13 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Expression(0, Sub), rhs = Counter(2) +- expression 2 operands: lhs = Counter(1), rhs = Counter(2) +- expression 3 operands: lhs = Expression(6, Add), rhs = Counter(5) +- expression 4 operands: lhs = Counter(1), rhs = Counter(2) +- expression 5 operands: lhs = Expression(6, Add), rhs = Counter(5) +- expression 6 operands: lhs = Counter(1), rhs = Counter(2) +- expression 7 operands: lhs = Counter(4), rhs = Counter(5) +- expression 8 operands: lhs = Expression(0, Sub), rhs = Counter(2) +- expression 9 operands: lhs = Expression(10, Add), rhs = Expression(12, Sub) +- expression 10 operands: lhs = Counter(3), rhs = Expression(11, Add) +- expression 11 operands: lhs = Counter(4), rhs = Counter(5) +- expression 12 operands: lhs = Expression(0, Sub), rhs = Counter(2) +Number of file 0 mappings: 14 +- Code(Counter(0)) at (prev + 59, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Expression(0, Sub)) at (prev + 0, 13) to (start + 0, 14) + = (c0 - c1) +- MCDCBranch { true: Counter(2), false: Expression(12, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = c2 + false = ((c0 - c1) - c2) +- Code(Expression(6, Add)) at (prev + 1, 9) to (start + 1, 13) + = (c1 + c2) +- MCDCDecision { bitmap_idx: 1, conditions_num: 2 } at (prev + 1, 12) to (start + 0, 18) +- MCDCBranch { true: Expression(5, Sub), false: Counter(5), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 12) to (start + 0, 13) + true = ((c1 + c2) - c5) + false = c5 +- Code(Expression(5, Sub)) at (prev + 0, 17) to (start + 0, 18) + = ((c1 + c2) - c5) +- MCDCBranch { true: Counter(3), false: Counter(4), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 17) to (start + 0, 18) + true = c3 + false = c4 +- Code(Counter(3)) at (prev + 0, 19) to (start + 2, 10) +- Code(Expression(11, Add)) at (prev + 2, 10) to (start + 0, 11) + = (c4 + c5) +- Code(Expression(12, Sub)) at (prev + 1, 12) to (start + 2, 6) + = ((c0 - c1) - c2) +- Code(Expression(9, Add)) at (prev + 3, 1) to (start + 0, 2) + = ((c3 + (c4 + c5)) + ((c0 - c1) - c2)) + diff --git a/tests/coverage/mcdc_if.coverage b/tests/coverage/mcdc_if.coverage new file mode 100644 index 00000000000..c2ed311a5bc --- /dev/null +++ b/tests/coverage/mcdc_if.coverage @@ -0,0 +1,262 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ min-llvm-version: 18 + LL| |//@ compile-flags: -Zcoverage-options=mcdc + LL| |//@ llvm-cov-flags: --show-mcdc + LL| | + LL| 2|fn mcdc_check_neither(a: bool, b: bool) { + LL| 2| if a && b { + ^0 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:14) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | + | C1-Pair: not covered + | C2-Pair: not covered + | MC/DC Coverage for Decision: 0.00% + | + ------------------ + LL| 0| say("a and b"); + LL| 2| } else { + LL| 2| say("not both"); + LL| 2| } + LL| 2|} + LL| | + LL| 2|fn mcdc_check_a(a: bool, b: bool) { + LL| 2| if a && b { + ^1 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:14) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, T = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: not covered + | MC/DC Coverage for Decision: 50.00% + | + ------------------ + LL| 1| say("a and b"); + LL| 1| } else { + LL| 1| say("not both"); + LL| 1| } + LL| 2|} + LL| | + LL| 2|fn mcdc_check_b(a: bool, b: bool) { + LL| 2| if a && b { + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:14) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { T, F = F } + | 2 { T, T = T } + | + | C1-Pair: not covered + | C2-Pair: covered: (1,2) + | MC/DC Coverage for Decision: 50.00% + | + ------------------ + LL| 1| say("a and b"); + LL| 1| } else { + LL| 1| say("not both"); + LL| 1| } + LL| 2|} + LL| | + LL| 3|fn mcdc_check_both(a: bool, b: bool) { + LL| 3| if a && b { + ^2 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:14) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 1| say("a and b"); + LL| 2| } else { + LL| 2| say("not both"); + LL| 2| } + LL| 3|} + LL| | + LL| 4|fn mcdc_check_tree_decision(a: bool, b: bool, c: bool) { + LL| 4| // This expression is intentionally written in a way + LL| 4| // where 100% branch coverage indicates 100% mcdc coverage. + LL| 4| if a && (b || c) { + ^3 ^2 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:21) + | + | Number of Conditions: 3 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:14) + | Condition C3 --> (LL:19) + | + | Executed MC/DC Test Vectors: + | + | C1, C2, C3 Result + | 1 { F, -, - = F } + | 2 { T, F, F = F } + | 3 { T, T, - = T } + | 4 { T, F, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | C3-Pair: covered: (2,4) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 2| say("pass"); + LL| 2| } else { + LL| 2| say("reject"); + LL| 2| } + LL| 4|} + LL| | + LL| 4|fn mcdc_check_not_tree_decision(a: bool, b: bool, c: bool) { + LL| 4| // Contradict to `mcdc_check_tree_decision`, + LL| 4| // 100% branch coverage of this expression does not mean indicates 100% mcdc coverage. + LL| 4| if (a || b) && c { + ^1 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:21) + | + | Number of Conditions: 3 + | Condition C1 --> (LL:9) + | Condition C2 --> (LL:14) + | Condition C3 --> (LL:20) + | + | Executed MC/DC Test Vectors: + | + | C1, C2, C3 Result + | 1 { T, -, F = F } + | 2 { T, -, T = T } + | 3 { F, T, T = T } + | + | C1-Pair: not covered + | C2-Pair: not covered + | C3-Pair: covered: (1,2) + | MC/DC Coverage for Decision: 33.33% + | + ------------------ + LL| 2| say("pass"); + LL| 2| } else { + LL| 2| say("reject"); + LL| 2| } + LL| 4|} + LL| | + LL| 3|fn mcdc_nested_if(a: bool, b: bool, c: bool) { + LL| 3| if a || b { + ^0 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:14) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { T, - = T } + | + | C1-Pair: not covered + | C2-Pair: not covered + | MC/DC Coverage for Decision: 0.00% + | + ------------------ + LL| 3| say("a or b"); + LL| 3| if b && c { + ^2 + ------------------ + |---> MC/DC Decision Region (LL:12) to (LL:18) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:12) + | Condition C2 --> (LL:17) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 1| say("b and c"); + LL| 2| } + LL| 0| } else { + LL| 0| say("neither a nor b"); + LL| 0| } + LL| 3|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | mcdc_check_neither(false, false); + LL| | mcdc_check_neither(false, true); + LL| | + LL| | mcdc_check_a(true, true); + LL| | mcdc_check_a(false, true); + LL| | + LL| | mcdc_check_b(true, true); + LL| | mcdc_check_b(true, false); + LL| | + LL| | mcdc_check_both(false, true); + LL| | mcdc_check_both(true, true); + LL| | mcdc_check_both(true, false); + LL| | + LL| | mcdc_check_tree_decision(false, true, true); + LL| | mcdc_check_tree_decision(true, true, false); + LL| | mcdc_check_tree_decision(true, false, false); + LL| | mcdc_check_tree_decision(true, false, true); + LL| | + LL| | mcdc_check_not_tree_decision(false, true, true); + LL| | mcdc_check_not_tree_decision(true, true, false); + LL| | mcdc_check_not_tree_decision(true, false, false); + LL| | mcdc_check_not_tree_decision(true, false, true); + LL| | + LL| | mcdc_nested_if(true, false, true); + LL| | mcdc_nested_if(true, true, true); + LL| | mcdc_nested_if(true, true, false); + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn say(message: &str) { + LL| | core::hint::black_box(message); + LL| |} + diff --git a/tests/coverage/mcdc_if.rs b/tests/coverage/mcdc_if.rs new file mode 100644 index 00000000000..a85843721c6 --- /dev/null +++ b/tests/coverage/mcdc_if.rs @@ -0,0 +1,103 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ min-llvm-version: 18 +//@ compile-flags: -Zcoverage-options=mcdc +//@ llvm-cov-flags: --show-mcdc + +fn mcdc_check_neither(a: bool, b: bool) { + if a && b { + say("a and b"); + } else { + say("not both"); + } +} + +fn mcdc_check_a(a: bool, b: bool) { + if a && b { + say("a and b"); + } else { + say("not both"); + } +} + +fn mcdc_check_b(a: bool, b: bool) { + if a && b { + say("a and b"); + } else { + say("not both"); + } +} + +fn mcdc_check_both(a: bool, b: bool) { + if a && b { + say("a and b"); + } else { + say("not both"); + } +} + +fn mcdc_check_tree_decision(a: bool, b: bool, c: bool) { + // This expression is intentionally written in a way + // where 100% branch coverage indicates 100% mcdc coverage. + if a && (b || c) { + say("pass"); + } else { + say("reject"); + } +} + +fn mcdc_check_not_tree_decision(a: bool, b: bool, c: bool) { + // Contradict to `mcdc_check_tree_decision`, + // 100% branch coverage of this expression does not mean indicates 100% mcdc coverage. + if (a || b) && c { + say("pass"); + } else { + say("reject"); + } +} + +fn mcdc_nested_if(a: bool, b: bool, c: bool) { + if a || b { + say("a or b"); + if b && c { + say("b and c"); + } + } else { + say("neither a nor b"); + } +} + +#[coverage(off)] +fn main() { + mcdc_check_neither(false, false); + mcdc_check_neither(false, true); + + mcdc_check_a(true, true); + mcdc_check_a(false, true); + + mcdc_check_b(true, true); + mcdc_check_b(true, false); + + mcdc_check_both(false, true); + mcdc_check_both(true, true); + mcdc_check_both(true, false); + + mcdc_check_tree_decision(false, true, true); + mcdc_check_tree_decision(true, true, false); + mcdc_check_tree_decision(true, false, false); + mcdc_check_tree_decision(true, false, true); + + mcdc_check_not_tree_decision(false, true, true); + mcdc_check_not_tree_decision(true, true, false); + mcdc_check_not_tree_decision(true, false, false); + mcdc_check_not_tree_decision(true, false, true); + + mcdc_nested_if(true, false, true); + mcdc_nested_if(true, true, true); + mcdc_nested_if(true, true, false); +} + +#[coverage(off)] +fn say(message: &str) { + core::hint::black_box(message); +} diff --git a/tests/coverage/mcdc_nested_if.cov-map b/tests/coverage/mcdc_nested_if.cov-map new file mode 100644 index 00000000000..2f35ffad8a9 --- /dev/null +++ b/tests/coverage/mcdc_nested_if.cov-map @@ -0,0 +1,201 @@ +Function name: mcdc_nested_if::doubly_nested_if_in_condition +Raw bytes (168): 0x[01, 01, 0e, 01, 05, 05, 11, 05, 11, 26, 19, 05, 11, 19, 1d, 19, 1d, 1d, 22, 26, 19, 05, 11, 11, 15, 09, 02, 0d, 37, 09, 02, 14, 01, 0f, 01, 01, 09, 28, 02, 02, 01, 08, 00, 4e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 4e, 05, 00, 10, 00, 11, 28, 01, 02, 00, 10, 00, 36, 30, 11, 26, 01, 00, 02, 00, 10, 00, 11, 30, 15, 21, 02, 00, 00, 00, 15, 00, 36, 26, 00, 18, 00, 19, 28, 00, 02, 00, 18, 00, 1e, 30, 19, 22, 01, 02, 00, 00, 18, 00, 19, 19, 00, 1d, 00, 1e, 30, 1a, 1d, 02, 00, 00, 00, 1d, 00, 1e, 1a, 00, 21, 00, 25, 1f, 00, 2f, 00, 34, 2b, 00, 39, 00, 3e, 21, 00, 48, 00, 4c, 0d, 00, 4f, 02, 06, 37, 02, 0c, 02, 06, 33, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 14 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(4) +- expression 2 operands: lhs = Counter(1), rhs = Counter(4) +- expression 3 operands: lhs = Expression(9, Sub), rhs = Counter(6) +- expression 4 operands: lhs = Counter(1), rhs = Counter(4) +- expression 5 operands: lhs = Counter(6), rhs = Counter(7) +- expression 6 operands: lhs = Counter(6), rhs = Counter(7) +- expression 7 operands: lhs = Counter(7), rhs = Expression(8, Sub) +- expression 8 operands: lhs = Expression(9, Sub), rhs = Counter(6) +- expression 9 operands: lhs = Counter(1), rhs = Counter(4) +- expression 10 operands: lhs = Counter(4), rhs = Counter(5) +- expression 11 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 12 operands: lhs = Counter(3), rhs = Expression(13, Add) +- expression 13 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 20 +- Code(Counter(0)) at (prev + 15, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 2, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 78) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 78) + true = c3 + false = c2 +- Code(Counter(1)) at (prev + 0, 16) to (start + 0, 17) +- MCDCDecision { bitmap_idx: 1, conditions_num: 2 } at (prev + 0, 16) to (start + 0, 54) +- MCDCBranch { true: Counter(4), false: Expression(9, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 16) to (start + 0, 17) + true = c4 + false = (c1 - c4) +- MCDCBranch { true: Counter(5), false: Counter(8), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 21) to (start + 0, 54) + true = c5 + false = c8 +- Code(Expression(9, Sub)) at (prev + 0, 24) to (start + 0, 25) + = (c1 - c4) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 24) to (start + 0, 30) +- MCDCBranch { true: Counter(6), false: Expression(8, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 24) to (start + 0, 25) + true = c6 + false = ((c1 - c4) - c6) +- Code(Counter(6)) at (prev + 0, 29) to (start + 0, 30) +- MCDCBranch { true: Expression(6, Sub), false: Counter(7), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 29) to (start + 0, 30) + true = (c6 - c7) + false = c7 +- Code(Expression(6, Sub)) at (prev + 0, 33) to (start + 0, 37) + = (c6 - c7) +- Code(Expression(7, Add)) at (prev + 0, 47) to (start + 0, 52) + = (c7 + ((c1 - c4) - c6)) +- Code(Expression(10, Add)) at (prev + 0, 57) to (start + 0, 62) + = (c4 + c5) +- Code(Counter(8)) at (prev + 0, 72) to (start + 0, 76) +- Code(Counter(3)) at (prev + 0, 79) to (start + 2, 6) +- Code(Expression(13, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(12, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_nested_if::nested_if_in_condition +Raw bytes (120): 0x[01, 01, 0b, 01, 05, 05, 11, 05, 11, 1e, 15, 05, 11, 11, 15, 1e, 15, 05, 11, 09, 02, 0d, 2b, 09, 02, 0e, 01, 07, 01, 01, 09, 28, 01, 02, 01, 08, 00, 2e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 2e, 05, 00, 10, 00, 11, 28, 00, 02, 00, 10, 00, 16, 30, 11, 1e, 01, 00, 02, 00, 10, 00, 11, 1e, 00, 15, 00, 16, 30, 15, 1a, 02, 00, 00, 00, 15, 00, 16, 17, 00, 19, 00, 1d, 1a, 00, 27, 00, 2c, 0d, 00, 2f, 02, 06, 2b, 02, 0c, 02, 06, 27, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 11 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(4) +- expression 2 operands: lhs = Counter(1), rhs = Counter(4) +- expression 3 operands: lhs = Expression(7, Sub), rhs = Counter(5) +- expression 4 operands: lhs = Counter(1), rhs = Counter(4) +- expression 5 operands: lhs = Counter(4), rhs = Counter(5) +- expression 6 operands: lhs = Expression(7, Sub), rhs = Counter(5) +- expression 7 operands: lhs = Counter(1), rhs = Counter(4) +- expression 8 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 9 operands: lhs = Counter(3), rhs = Expression(10, Add) +- expression 10 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 14 +- Code(Counter(0)) at (prev + 7, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 1, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 46) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 46) + true = c3 + false = c2 +- Code(Counter(1)) at (prev + 0, 16) to (start + 0, 17) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 16) to (start + 0, 22) +- MCDCBranch { true: Counter(4), false: Expression(7, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 16) to (start + 0, 17) + true = c4 + false = (c1 - c4) +- Code(Expression(7, Sub)) at (prev + 0, 21) to (start + 0, 22) + = (c1 - c4) +- MCDCBranch { true: Counter(5), false: Expression(6, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 21) to (start + 0, 22) + true = c5 + false = ((c1 - c4) - c5) +- Code(Expression(5, Add)) at (prev + 0, 25) to (start + 0, 29) + = (c4 + c5) +- Code(Expression(6, Sub)) at (prev + 0, 39) to (start + 0, 44) + = ((c1 - c4) - c5) +- Code(Counter(3)) at (prev + 0, 47) to (start + 2, 6) +- Code(Expression(10, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(9, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_nested_if::nested_in_then_block_in_condition +Raw bytes (176): 0x[01, 01, 12, 01, 05, 05, 11, 05, 11, 3a, 15, 05, 11, 11, 15, 33, 19, 11, 15, 19, 1d, 19, 1d, 1d, 2e, 33, 19, 11, 15, 3a, 15, 05, 11, 09, 02, 0d, 47, 09, 02, 14, 01, 22, 01, 01, 09, 28, 02, 02, 01, 08, 00, 4b, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 4b, 05, 00, 10, 00, 11, 28, 00, 02, 00, 10, 00, 16, 30, 11, 3a, 01, 00, 02, 00, 10, 00, 11, 3a, 00, 15, 00, 16, 30, 15, 36, 02, 00, 00, 00, 15, 00, 16, 33, 00, 1c, 00, 1d, 28, 01, 02, 00, 1c, 00, 22, 30, 19, 2e, 01, 02, 00, 00, 1c, 00, 1d, 19, 00, 21, 00, 22, 30, 26, 1d, 02, 00, 00, 00, 21, 00, 22, 26, 00, 25, 00, 29, 2b, 00, 33, 00, 38, 36, 00, 44, 00, 49, 0d, 00, 4c, 02, 06, 47, 02, 0c, 02, 06, 43, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 18 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(4) +- expression 2 operands: lhs = Counter(1), rhs = Counter(4) +- expression 3 operands: lhs = Expression(14, Sub), rhs = Counter(5) +- expression 4 operands: lhs = Counter(1), rhs = Counter(4) +- expression 5 operands: lhs = Counter(4), rhs = Counter(5) +- expression 6 operands: lhs = Expression(12, Add), rhs = Counter(6) +- expression 7 operands: lhs = Counter(4), rhs = Counter(5) +- expression 8 operands: lhs = Counter(6), rhs = Counter(7) +- expression 9 operands: lhs = Counter(6), rhs = Counter(7) +- expression 10 operands: lhs = Counter(7), rhs = Expression(11, Sub) +- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(6) +- expression 12 operands: lhs = Counter(4), rhs = Counter(5) +- expression 13 operands: lhs = Expression(14, Sub), rhs = Counter(5) +- expression 14 operands: lhs = Counter(1), rhs = Counter(4) +- expression 15 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 16 operands: lhs = Counter(3), rhs = Expression(17, Add) +- expression 17 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 20 +- Code(Counter(0)) at (prev + 34, 1) to (start + 1, 9) +- MCDCDecision { bitmap_idx: 2, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 75) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 75) + true = c3 + false = c2 +- Code(Counter(1)) at (prev + 0, 16) to (start + 0, 17) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 16) to (start + 0, 22) +- MCDCBranch { true: Counter(4), false: Expression(14, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 16) to (start + 0, 17) + true = c4 + false = (c1 - c4) +- Code(Expression(14, Sub)) at (prev + 0, 21) to (start + 0, 22) + = (c1 - c4) +- MCDCBranch { true: Counter(5), false: Expression(13, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 21) to (start + 0, 22) + true = c5 + false = ((c1 - c4) - c5) +- Code(Expression(12, Add)) at (prev + 0, 28) to (start + 0, 29) + = (c4 + c5) +- MCDCDecision { bitmap_idx: 1, conditions_num: 2 } at (prev + 0, 28) to (start + 0, 34) +- MCDCBranch { true: Counter(6), false: Expression(11, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 28) to (start + 0, 29) + true = c6 + false = ((c4 + c5) - c6) +- Code(Counter(6)) at (prev + 0, 33) to (start + 0, 34) +- MCDCBranch { true: Expression(9, Sub), false: Counter(7), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 33) to (start + 0, 34) + true = (c6 - c7) + false = c7 +- Code(Expression(9, Sub)) at (prev + 0, 37) to (start + 0, 41) + = (c6 - c7) +- Code(Expression(10, Add)) at (prev + 0, 51) to (start + 0, 56) + = (c7 + ((c4 + c5) - c6)) +- Code(Expression(13, Sub)) at (prev + 0, 68) to (start + 0, 73) + = ((c1 - c4) - c5) +- Code(Counter(3)) at (prev + 0, 76) to (start + 2, 6) +- Code(Expression(17, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(16, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: mcdc_nested_if::nested_single_condition_decision +Raw bytes (85): 0x[01, 01, 06, 01, 05, 05, 11, 05, 11, 09, 02, 0d, 17, 09, 02, 0b, 01, 17, 01, 04, 09, 28, 00, 02, 04, 08, 00, 29, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 29, 05, 00, 10, 00, 11, 20, 11, 0a, 00, 10, 00, 11, 11, 00, 14, 00, 19, 0a, 00, 23, 00, 27, 0d, 00, 2a, 02, 06, 17, 02, 0c, 02, 06, 13, 03, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 6 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(4) +- expression 2 operands: lhs = Counter(1), rhs = Counter(4) +- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 4 operands: lhs = Counter(3), rhs = Expression(5, Add) +- expression 5 operands: lhs = Counter(2), rhs = Expression(0, Sub) +Number of file 0 mappings: 11 +- Code(Counter(0)) at (prev + 23, 1) to (start + 4, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 4, 8) to (start + 0, 41) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- MCDCBranch { true: Counter(3), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 41) + true = c3 + false = c2 +- Code(Counter(1)) at (prev + 0, 16) to (start + 0, 17) +- Branch { true: Counter(4), false: Expression(2, Sub) } at (prev + 0, 16) to (start + 0, 17) + true = c4 + false = (c1 - c4) +- Code(Counter(4)) at (prev + 0, 20) to (start + 0, 25) +- Code(Expression(2, Sub)) at (prev + 0, 35) to (start + 0, 39) + = (c1 - c4) +- Code(Counter(3)) at (prev + 0, 42) to (start + 2, 6) +- Code(Expression(5, Add)) at (prev + 2, 12) to (start + 2, 6) + = (c2 + (c0 - c1)) +- Code(Expression(4, Add)) at (prev + 3, 1) to (start + 0, 2) + = (c3 + (c2 + (c0 - c1))) + diff --git a/tests/coverage/mcdc_nested_if.coverage b/tests/coverage/mcdc_nested_if.coverage new file mode 100644 index 00000000000..19529cd6aa4 --- /dev/null +++ b/tests/coverage/mcdc_nested_if.coverage @@ -0,0 +1,235 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ min-llvm-version: 18 + LL| |//@ compile-flags: -Zcoverage-options=mcdc + LL| |//@ llvm-cov-flags: --show-mcdc + LL| | + LL| 4|fn nested_if_in_condition(a: bool, b: bool, c: bool) { + LL| 4| if a && if b || c { true } else { false } { + ^3 ^2 ^2 ^1 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:46) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + |---> MC/DC Decision Region (LL:16) to (LL:22) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:16) + | Condition C2 --> (LL:21) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, F = F } + | 2 { T, - = T } + | 3 { F, T = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: covered: (1,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 2| say("yes"); + LL| 2| } else { + LL| 2| say("no"); + LL| 2| } + LL| 4|} + LL| | + LL| 4|fn doubly_nested_if_in_condition(a: bool, b: bool, c: bool, d: bool) { + LL| 4| if a && if b || if c && d { true } else { false } { false } else { true } { + ^3 ^2 ^1 ^1 ^1 ^2 ^1 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:78) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + |---> MC/DC Decision Region (LL:16) to (LL:54) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:16) + | Condition C2 --> (LL:21) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, F = F } + | 2 { T, - = T } + | 3 { F, T = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: covered: (1,3) + | MC/DC Coverage for Decision: 100.00% + | + |---> MC/DC Decision Region (LL:24) to (LL:30) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:24) + | Condition C2 --> (LL:29) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, T = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: not covered + | MC/DC Coverage for Decision: 50.00% + | + ------------------ + LL| 1| say("yes"); + LL| 3| } else { + LL| 3| say("no"); + LL| 3| } + LL| 4|} + LL| | + LL| 3|fn nested_single_condition_decision(a: bool, b: bool) { + LL| 3| // Decision with only 1 decision should not be instrumented by MCDC because + LL| 3| // branch-coverage is equivalent to MCDC coverage in this case, and we don't + LL| 3| // want to waste bitmap space for this. + LL| 3| if a && if b { false } else { true } { + ^2 ^1 ^1 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:41) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 1| say("yes"); + LL| 2| } else { + LL| 2| say("no"); + LL| 2| } + LL| 3|} + LL| | + LL| 7|fn nested_in_then_block_in_condition(a: bool, b: bool, c: bool, d: bool, e: bool) { + LL| 7| if a && if b || c { if d && e { true } else { false } } else { false } { + ^6 ^5 ^5 ^2 ^1 ^4 ^1 + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:75) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + |---> MC/DC Decision Region (LL:16) to (LL:22) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:16) + | Condition C2 --> (LL:21) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, F = F } + | 2 { T, - = T } + | 3 { F, T = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: covered: (1,3) + | MC/DC Coverage for Decision: 100.00% + | + |---> MC/DC Decision Region (LL:28) to (LL:34) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:28) + | Condition C2 --> (LL:33) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 1| say("yes"); + LL| 6| } else { + LL| 6| say("no"); + LL| 6| } + LL| 7|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | nested_if_in_condition(true, false, false); + LL| | nested_if_in_condition(true, true, true); + LL| | nested_if_in_condition(true, false, true); + LL| | nested_if_in_condition(false, true, true); + LL| | + LL| | doubly_nested_if_in_condition(true, false, false, true); + LL| | doubly_nested_if_in_condition(true, true, true, true); + LL| | doubly_nested_if_in_condition(true, false, true, true); + LL| | doubly_nested_if_in_condition(false, true, true, true); + LL| | + LL| | nested_single_condition_decision(true, true); + LL| | nested_single_condition_decision(true, false); + LL| | nested_single_condition_decision(false, false); + LL| | + LL| | nested_in_then_block_in_condition(false, false, false, false, false); + LL| | nested_in_then_block_in_condition(true, false, false, false, false); + LL| | nested_in_then_block_in_condition(true, true, false, false, false); + LL| | nested_in_then_block_in_condition(true, false, true, false, false); + LL| | nested_in_then_block_in_condition(true, false, true, true, false); + LL| | nested_in_then_block_in_condition(true, false, true, false, true); + LL| | nested_in_then_block_in_condition(true, false, true, true, true); + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn say(message: &str) { + LL| | core::hint::black_box(message); + LL| |} + diff --git a/tests/coverage/mcdc_nested_if.rs b/tests/coverage/mcdc_nested_if.rs new file mode 100644 index 00000000000..3d869771f75 --- /dev/null +++ b/tests/coverage/mcdc_nested_if.rs @@ -0,0 +1,70 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ min-llvm-version: 18 +//@ compile-flags: -Zcoverage-options=mcdc +//@ llvm-cov-flags: --show-mcdc + +fn nested_if_in_condition(a: bool, b: bool, c: bool) { + if a && if b || c { true } else { false } { + say("yes"); + } else { + say("no"); + } +} + +fn doubly_nested_if_in_condition(a: bool, b: bool, c: bool, d: bool) { + if a && if b || if c && d { true } else { false } { false } else { true } { + say("yes"); + } else { + say("no"); + } +} + +fn nested_single_condition_decision(a: bool, b: bool) { + // Decision with only 1 decision should not be instrumented by MCDC because + // branch-coverage is equivalent to MCDC coverage in this case, and we don't + // want to waste bitmap space for this. + if a && if b { false } else { true } { + say("yes"); + } else { + say("no"); + } +} + +fn nested_in_then_block_in_condition(a: bool, b: bool, c: bool, d: bool, e: bool) { + if a && if b || c { if d && e { true } else { false } } else { false } { + say("yes"); + } else { + say("no"); + } +} + +#[coverage(off)] +fn main() { + nested_if_in_condition(true, false, false); + nested_if_in_condition(true, true, true); + nested_if_in_condition(true, false, true); + nested_if_in_condition(false, true, true); + + doubly_nested_if_in_condition(true, false, false, true); + doubly_nested_if_in_condition(true, true, true, true); + doubly_nested_if_in_condition(true, false, true, true); + doubly_nested_if_in_condition(false, true, true, true); + + nested_single_condition_decision(true, true); + nested_single_condition_decision(true, false); + nested_single_condition_decision(false, false); + + nested_in_then_block_in_condition(false, false, false, false, false); + nested_in_then_block_in_condition(true, false, false, false, false); + nested_in_then_block_in_condition(true, true, false, false, false); + nested_in_then_block_in_condition(true, false, true, false, false); + nested_in_then_block_in_condition(true, false, true, true, false); + nested_in_then_block_in_condition(true, false, true, false, true); + nested_in_then_block_in_condition(true, false, true, true, true); +} + +#[coverage(off)] +fn say(message: &str) { + core::hint::black_box(message); +} diff --git a/tests/coverage/yield.cov-map b/tests/coverage/yield.cov-map index 9cc67dfe88a..0347aaaa367 100644 --- a/tests/coverage/yield.cov-map +++ b/tests/coverage/yield.cov-map @@ -41,21 +41,21 @@ Number of file 0 mappings: 16 - Code(Counter(11)) at (prev + 2, 1) to (start + 0, 2) Function name: yield::main::{closure#0} -Raw bytes (14): 0x[01, 01, 00, 02, 01, 08, 1c, 01, 10, 05, 02, 10, 01, 06] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 08, 29, 01, 10, 05, 02, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 2 -- Code(Counter(0)) at (prev + 8, 28) to (start + 1, 16) +- Code(Counter(0)) at (prev + 8, 41) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 16) to (start + 1, 6) Function name: yield::main::{closure#1} -Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 1c, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 29, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 4 -- Code(Counter(0)) at (prev + 22, 28) to (start + 1, 16) +- Code(Counter(0)) at (prev + 22, 41) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 16) - Code(Counter(2)) at (prev + 1, 9) to (start + 0, 16) - Code(Counter(3)) at (prev + 1, 16) to (start + 1, 6) diff --git a/tests/coverage/yield.coverage b/tests/coverage/yield.coverage index d7e455f211e..e2fc9196d24 100644 --- a/tests/coverage/yield.coverage +++ b/tests/coverage/yield.coverage @@ -1,11 +1,11 @@ - LL| |#![feature(coroutines, coroutine_trait)] + LL| |#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] LL| |#![allow(unused_assignments)] LL| | LL| |use std::ops::{Coroutine, CoroutineState}; LL| |use std::pin::Pin; LL| | LL| 1|fn main() { - LL| 1| let mut coroutine = || { + LL| 1| let mut coroutine = #[coroutine] || { LL| 1| yield 1; LL| 1| return "foo"; LL| 1| }; @@ -19,7 +19,7 @@ LL| 0| _ => panic!("unexpected value from resume"), LL| | } LL| | - LL| 1| let mut coroutine = || { + LL| 1| let mut coroutine = #[coroutine] || { LL| 1| yield 1; LL| 1| yield 2; LL| 0| yield 3; diff --git a/tests/coverage/yield.rs b/tests/coverage/yield.rs index b7e2ba31b59..64ea2706604 100644 --- a/tests/coverage/yield.rs +++ b/tests/coverage/yield.rs @@ -1,11 +1,11 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] #![allow(unused_assignments)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; return "foo"; }; @@ -19,7 +19,7 @@ fn main() { _ => panic!("unexpected value from resume"), } - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; yield 2; yield 3; |