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| author | Alexander <alex.m.vlasov@gmail.com> | 2021-10-06 17:53:11 +0200 |
|---|---|---|
| committer | Alexander <alex.m.vlasov@gmail.com> | 2021-10-06 17:53:11 +0200 |
| commit | 109d5c768859b91293fddd24e0235a35abb6ea50 (patch) | |
| tree | 94e4d37e97098929586d79550f5d2d4c7961b909 | |
| parent | d61f95fead2102e2f515e5c220fbc6f8671616cb (diff) | |
| download | rust-109d5c768859b91293fddd24e0235a35abb6ea50.tar.gz rust-109d5c768859b91293fddd24e0235a35abb6ea50.zip | |
add MIR artifacts
13 files changed, 626 insertions, 3 deletions
diff --git a/src/test/mir-opt/lower_array_len.array_bound.InstCombine.diff b/src/test/mir-opt/lower_array_len.array_bound.InstCombine.diff new file mode 100644 index 00000000000..c7226573d75 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_bound.InstCombine.diff @@ -0,0 +1,66 @@ +- // MIR for `array_bound` before InstCombine ++ // MIR for `array_bound` after InstCombine + + fn array_bound(_1: usize, _2: &[u8; N]) -> u8 { + debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:6:36: 6:41 + debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:6:50: 6:55 + let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:6:70: 6:72 + let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 + let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + let mut _11: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + _4 = _1; // scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- _7 = &(*_2); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ _7 = _2; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + _11 = _7; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:7:20: 7:21 +- _5 = Len((*_11)); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ _5 = const N; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + switchInt(move _3) -> [false: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + } + + bb1: { + StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 + _8 = _1; // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 +- _9 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ _9 = const N; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb2; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + } + + bb2: { + _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:9:5: 9:6 + goto -> bb4; // scope 0 at $DIR/lower_array_len.rs:7:5: 11:6 + } + + bb3: { + _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:10:9: 10:11 + goto -> bb4; // scope 0 at $DIR/lower_array_len.rs:7:5: 11:6 + } + + bb4: { + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:11:5: 11:6 + return; // scope 0 at $DIR/lower_array_len.rs:12:2: 12:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.diff b/src/test/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.diff new file mode 100644 index 00000000000..d6c1c92cd91 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.diff @@ -0,0 +1,68 @@ +- // MIR for `array_bound` before NormalizeArrayLen ++ // MIR for `array_bound` after NormalizeArrayLen + + fn array_bound(_1: usize, _2: &[u8; N]) -> u8 { + debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:6:36: 6:41 + debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:6:50: 6:55 + let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:6:70: 6:72 + let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 + let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ let mut _11: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + _4 = _1; // scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + _7 = &(*_2); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ _11 = _7; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:7:20: 7:21 +- _5 = Len((*_6)); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ _5 = Len((*_11)); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + goto -> bb1; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 + } + + bb1: { + StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + switchInt(move _3) -> [false: bb4, otherwise: bb2]; // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + } + + bb2: { + StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 + _8 = _1; // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 + _9 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb3; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + } + + bb3: { + _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:9:5: 9:6 + goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:7:5: 11:6 + } + + bb4: { + _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:10:9: 10:11 + goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:7:5: 11:6 + } + + bb5: { + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:11:5: 11:6 + return; // scope 0 at $DIR/lower_array_len.rs:12:2: 12:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_bound.SimplifyLocals.diff b/src/test/mir-opt/lower_array_len.array_bound.SimplifyLocals.diff new file mode 100644 index 00000000000..5cf3312cd64 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_bound.SimplifyLocals.diff @@ -0,0 +1,73 @@ +- // MIR for `array_bound` before SimplifyLocals ++ // MIR for `array_bound` after SimplifyLocals + + fn array_bound(_1: usize, _2: &[u8; N]) -> u8 { + debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:6:36: 6:41 + debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:6:50: 6:55 + let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:6:70: 6:72 + let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 +- let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 +- let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 +- let mut _11: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 ++ let _6: usize; // in scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 ++ let mut _7: usize; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ let mut _8: bool; // in scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + _4 = _1; // scope 0 at $DIR/lower_array_len.rs:7:8: 7:13 + StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- _7 = _2; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- _11 = _7; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:7:20: 7:21 + _5 = const N; // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:7:16: 7:27 +- StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:7:26: 7:27 + switchInt(move _3) -> [false: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len.rs:7:8: 7:27 + } + + bb1: { +- StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 +- _8 = _1; // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 +- _9 = const N; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 +- _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 +- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb2; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 ++ _6 = _1; // scope 0 at $DIR/lower_array_len.rs:8:15: 8:20 ++ _7 = const N; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ _8 = Lt(_6, _7); // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb2; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 + } + + bb2: { +- _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 +- StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:9:5: 9:6 ++ _0 = (*_2)[_6]; // scope 0 at $DIR/lower_array_len.rs:8:9: 8:21 ++ StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:9:5: 9:6 + goto -> bb4; // scope 0 at $DIR/lower_array_len.rs:7:5: 11:6 + } + + bb3: { + _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:10:9: 10:11 + goto -> bb4; // scope 0 at $DIR/lower_array_len.rs:7:5: 11:6 + } + + bb4: { + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:11:5: 11:6 + return; // scope 0 at $DIR/lower_array_len.rs:12:2: 12:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_bound_mut.InstCombine.diff b/src/test/mir-opt/lower_array_len.array_bound_mut.InstCombine.diff new file mode 100644 index 00000000000..5622d484532 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_bound_mut.InstCombine.diff @@ -0,0 +1,79 @@ +- // MIR for `array_bound_mut` before InstCombine ++ // MIR for `array_bound_mut` after InstCombine + + fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 { + debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:17:40: 17:45 + debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:17:54: 17:59 + let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:17:78: 17:80 + let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 + let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + let _11: usize; // in scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 + let mut _12: usize; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + let mut _13: bool; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + let mut _14: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + _4 = _1; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + _7 = &(*_2); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageLive(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + _14 = _7; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:18:20: 18:21 +- _5 = Len((*_14)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 ++ _5 = const N; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageDead(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + switchInt(move _3) -> [false: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + } + + bb1: { + StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 + _8 = _1; // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 +- _9 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ _9 = const N; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb2; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + } + + bb2: { + _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:20:5: 20:6 + goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6 + } + + bb3: { + StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 + _11 = const 0_usize; // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 +- _12 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 ++ _12 = const N; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + _13 = Lt(_11, _12); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, _11) -> bb4; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + } + + bb4: { + (*_2)[_11] = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:22 + StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:21:22: 21:23 + _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:23:9: 23:11 + goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6 + } + + bb5: { + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:24:5: 24:6 + return; // scope 0 at $DIR/lower_array_len.rs:25:2: 25:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.diff b/src/test/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.diff new file mode 100644 index 00000000000..11fc20aa693 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.diff @@ -0,0 +1,81 @@ +- // MIR for `array_bound_mut` before NormalizeArrayLen ++ // MIR for `array_bound_mut` after NormalizeArrayLen + + fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 { + debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:17:40: 17:45 + debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:17:54: 17:59 + let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:17:78: 17:80 + let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 + let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + let _11: usize; // in scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 + let mut _12: usize; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + let mut _13: bool; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 ++ let mut _14: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + _4 = _1; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + _7 = &(*_2); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 ++ StorageLive(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 ++ _14 = _7; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:18:20: 18:21 +- _5 = Len((*_6)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 ++ _5 = Len((*_14)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 ++ StorageDead(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + goto -> bb1; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 + } + + bb1: { + StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + switchInt(move _3) -> [false: bb4, otherwise: bb2]; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + } + + bb2: { + StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 + _8 = _1; // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 + _9 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb3; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + } + + bb3: { + _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:20:5: 20:6 + goto -> bb6; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6 + } + + bb4: { + StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 + _11 = const 0_usize; // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 + _12 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + _13 = Lt(_11, _12); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, _11) -> bb5; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + } + + bb5: { + (*_2)[_11] = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:22 + StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:21:22: 21:23 + _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:23:9: 23:11 + goto -> bb6; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6 + } + + bb6: { + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:24:5: 24:6 + return; // scope 0 at $DIR/lower_array_len.rs:25:2: 25:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_bound_mut.SimplifyLocals.diff b/src/test/mir-opt/lower_array_len.array_bound_mut.SimplifyLocals.diff new file mode 100644 index 00000000000..f72aee0e502 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_bound_mut.SimplifyLocals.diff @@ -0,0 +1,96 @@ +- // MIR for `array_bound_mut` before SimplifyLocals ++ // MIR for `array_bound_mut` after SimplifyLocals + + fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 { + debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:17:40: 17:45 + debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:17:54: 17:59 + let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:17:78: 17:80 + let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 +- let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 +- let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 +- let _11: usize; // in scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 +- let mut _12: usize; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 +- let mut _13: bool; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 +- let mut _14: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 ++ let _6: usize; // in scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 ++ let mut _7: usize; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ let mut _8: bool; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ let _9: usize; // in scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 ++ let mut _10: usize; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 ++ let mut _11: bool; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + _4 = _1; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13 + StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- _7 = &(*_2); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- StorageLive(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- _14 = _7; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:18:20: 18:21 + _5 = const N; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- StorageDead(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27 +- StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27 + switchInt(move _3) -> [false: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27 + } + + bb1: { +- StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 +- _8 = _1; // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 +- _9 = const N; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 +- _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 +- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb2; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 ++ _6 = _1; // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20 ++ _7 = const N; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ _8 = Lt(_6, _7); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb2; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 + } + + bb2: { +- _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 +- StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:20:5: 20:6 ++ _0 = (*_2)[_6]; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21 ++ StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:20:5: 20:6 + goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6 + } + + bb3: { +- StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 +- _11 = const 0_usize; // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 +- _12 = const N; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 +- _13 = Lt(const 0_usize, _12); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 +- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, const 0_usize) -> bb4; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 ++ StorageLive(_9); // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 ++ _9 = const 0_usize; // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16 ++ _10 = const N; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 ++ _11 = Lt(const 0_usize, _10); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 ++ assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, const 0_usize) -> bb4; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17 + } + + bb4: { +- (*_2)[_11] = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:22 +- StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:21:22: 21:23 ++ (*_2)[_9] = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:22 ++ StorageDead(_9); // scope 0 at $DIR/lower_array_len.rs:21:22: 21:23 + _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:23:9: 23:11 + goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6 + } + + bb5: { + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:24:5: 24:6 + return; // scope 0 at $DIR/lower_array_len.rs:25:2: 25:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_len.InstCombine.diff b/src/test/mir-opt/lower_array_len.array_len.InstCombine.diff new file mode 100644 index 00000000000..a818de39bcc --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len.InstCombine.diff @@ -0,0 +1,27 @@ +- // MIR for `array_len` before InstCombine ++ // MIR for `array_len` after InstCombine + + fn array_len(_1: &[u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:30:34: 30:37 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:30:52: 30:57 + let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- _3 = &(*_1); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ _3 = _1; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + _4 = _3; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:31:7: 31:8 +- _0 = Len((*_4)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ _0 = const N; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:31:13: 31:14 + return; // scope 0 at $DIR/lower_array_len.rs:32:2: 32:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff b/src/test/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff new file mode 100644 index 00000000000..892fdda818e --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff @@ -0,0 +1,30 @@ +- // MIR for `array_len` before NormalizeArrayLen ++ // MIR for `array_len` after NormalizeArrayLen + + fn array_len(_1: &[u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:30:34: 30:37 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:30:52: 30:57 + let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + _3 = &(*_1); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ _4 = _3; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:31:7: 31:8 +- _0 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ _0 = Len((*_4)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 ++ StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + goto -> bb1; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + } + + bb1: { + StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:31:13: 31:14 + return; // scope 0 at $DIR/lower_array_len.rs:32:2: 32:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_len.SimplifyLocals.diff b/src/test/mir-opt/lower_array_len.array_len.SimplifyLocals.diff new file mode 100644 index 00000000000..20e2685aba5 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len.SimplifyLocals.diff @@ -0,0 +1,25 @@ +- // MIR for `array_len` before SimplifyLocals ++ // MIR for `array_len` after SimplifyLocals + + fn array_len(_1: &[u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:30:34: 30:37 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:30:52: 30:57 +- let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 + + bb0: { +- StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- _3 = _1; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- _4 = _3; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:31:7: 31:8 + _0 = const N; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14 +- StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:31:13: 31:14 + return; // scope 0 at $DIR/lower_array_len.rs:32:2: 32:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff b/src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff new file mode 100644 index 00000000000..ce12531e84b --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff @@ -0,0 +1,26 @@ +- // MIR for `array_len_by_value` before InstCombine ++ // MIR for `array_len_by_value` after InstCombine + + fn array_len_by_value(_1: [u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:37:43: 37:46 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:37:60: 37:65 + let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + _3 = &_1; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + _4 = _3; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:38:7: 38:8 +- _0 = Len((*_4)); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 ++ _0 = const N; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:38:13: 38:14 + return; // scope 0 at $DIR/lower_array_len.rs:39:2: 39:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.diff b/src/test/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.diff new file mode 100644 index 00000000000..201fffbf0d4 --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.diff @@ -0,0 +1,30 @@ +- // MIR for `array_len_by_value` before NormalizeArrayLen ++ // MIR for `array_len_by_value` after NormalizeArrayLen + + fn array_len_by_value(_1: [u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:37:43: 37:46 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:37:60: 37:65 + let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 ++ let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + _3 = &_1; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 ++ StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 ++ _4 = _3; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:38:7: 38:8 +- _0 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 ++ _0 = Len((*_4)); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 ++ StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + goto -> bb1; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + } + + bb1: { + StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:38:13: 38:14 + return; // scope 0 at $DIR/lower_array_len.rs:39:2: 39:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.array_len_by_value.SimplifyLocals.diff b/src/test/mir-opt/lower_array_len.array_len_by_value.SimplifyLocals.diff new file mode 100644 index 00000000000..7e7b708145f --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len_by_value.SimplifyLocals.diff @@ -0,0 +1,25 @@ +- // MIR for `array_len_by_value` before SimplifyLocals ++ // MIR for `array_len_by_value` after SimplifyLocals + + fn array_len_by_value(_1: [u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:37:43: 37:46 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:37:60: 37:65 +- let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 + + bb0: { +- StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- _3 = &_1; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- _4 = _3; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:38:7: 38:8 + _0 = const N; // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:38:5: 38:14 +- StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:38:13: 38:14 + return; // scope 0 at $DIR/lower_array_len.rs:39:2: 39:2 + } + } + diff --git a/src/test/mir-opt/lower_array_len.rs b/src/test/mir-opt/lower_array_len.rs index 2b4845bc151..d4905d4ac02 100644 --- a/src/test/mir-opt/lower_array_len.rs +++ b/src/test/mir-opt/lower_array_len.rs @@ -1,6 +1,3 @@ - -Viewed -@@ -0,0 +1,47 @@ // compile-flags: -Z mir-opt-level=3 // EMIT_MIR lower_array_len.array_bound.NormalizeArrayLen.diff |