diff options
Diffstat (limited to 'tests/codegen-llvm/enum')
| -rw-r--r-- | tests/codegen-llvm/enum/enum-discriminant-eq.rs | 14 | ||||
| -rw-r--r-- | tests/codegen-llvm/enum/enum-transparent-extract.rs | 31 |
2 files changed, 41 insertions, 4 deletions
diff --git a/tests/codegen-llvm/enum/enum-discriminant-eq.rs b/tests/codegen-llvm/enum/enum-discriminant-eq.rs index 0494c5f551b..d599685c2e5 100644 --- a/tests/codegen-llvm/enum/enum-discriminant-eq.rs +++ b/tests/codegen-llvm/enum/enum-discriminant-eq.rs @@ -1,6 +1,9 @@ //@ compile-flags: -Copt-level=3 -Zmerge-functions=disabled //@ min-llvm-version: 20 //@ only-64bit +//@ revisions: LLVM20 LLVM21 +//@ [LLVM21] min-llvm-version: 21 +//@ [LLVM20] max-llvm-major-version: 20 // The `derive(PartialEq)` on enums with field-less variants compares discriminants, // so make sure we emit that in some reasonable way. @@ -137,17 +140,20 @@ pub fn mid_nz32_eq_discr(a: Mid<NonZero<u32>>, b: Mid<NonZero<u32>>) -> bool { pub fn mid_ac_eq_discr(a: Mid<AC>, b: Mid<AC>) -> bool { // CHECK-LABEL: @mid_ac_eq_discr( - // CHECK: %[[A_REL_DISCR:.+]] = xor i8 %a, -128 + // LLVM20: %[[A_REL_DISCR:.+]] = xor i8 %a, -128 // CHECK: %[[A_IS_NICHE:.+]] = icmp slt i8 %a, 0 // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i8 %a, -127 // CHECK: tail call void @llvm.assume(i1 %[[A_NOT_HOLE]]) - // CHECK: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 + // LLVM20: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 - // CHECK: %[[B_REL_DISCR:.+]] = xor i8 %b, -128 + // LLVM20: %[[B_REL_DISCR:.+]] = xor i8 %b, -128 // CHECK: %[[B_IS_NICHE:.+]] = icmp slt i8 %b, 0 // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i8 %b, -127 // CHECK: tail call void @llvm.assume(i1 %[[B_NOT_HOLE]]) - // CHECK: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 + // LLVM20: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 + + // LLVM21: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %a, i8 -127 + // LLVM21: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %b, i8 -127 // CHECK: %[[R:.+]] = icmp eq i8 %[[A_DISCR]], %[[B_DISCR]] // CHECK: ret i1 %[[R]] diff --git a/tests/codegen-llvm/enum/enum-transparent-extract.rs b/tests/codegen-llvm/enum/enum-transparent-extract.rs new file mode 100644 index 00000000000..c5efb8d472b --- /dev/null +++ b/tests/codegen-llvm/enum/enum-transparent-extract.rs @@ -0,0 +1,31 @@ +//@ compile-flags: -Copt-level=0 +//@ only-64bit + +#![crate_type = "lib"] + +use std::ops::ControlFlow; + +pub enum Never {} + +#[no_mangle] +pub fn make_unmake_result_never(x: i32) -> i32 { + // CHECK-LABEL: define i32 @make_unmake_result_never(i32 %x) + // CHECK: start: + // CHECK-NEXT: ret i32 %x + + let y: Result<i32, Never> = Ok(x); + let Ok(z) = y; + z +} + +#[no_mangle] +pub fn extract_control_flow_never(x: ControlFlow<&str, Never>) -> &str { + // CHECK-LABEL: define { ptr, i64 } @extract_control_flow_never(ptr align 1 %x.0, i64 %x.1) + // CHECK: start: + // CHECK-NEXT: %[[P0:.+]] = insertvalue { ptr, i64 } poison, ptr %x.0, 0 + // CHECK-NEXT: %[[P1:.+]] = insertvalue { ptr, i64 } %[[P0]], i64 %x.1, 1 + // CHECK-NEXT: ret { ptr, i64 } %[[P1]] + + let ControlFlow::Break(s) = x; + s +} |