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Diffstat (limited to 'tests/mir-opt/casts.redundant.InstCombine.diff')
| -rw-r--r-- | tests/mir-opt/casts.redundant.InstCombine.diff | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/mir-opt/casts.redundant.InstCombine.diff b/tests/mir-opt/casts.redundant.InstCombine.diff new file mode 100644 index 000000000..528a8e5a9 --- /dev/null +++ b/tests/mir-opt/casts.redundant.InstCombine.diff @@ -0,0 +1,25 @@ +- // MIR for `redundant` before InstCombine ++ // MIR for `redundant` after InstCombine + + fn redundant(_1: *const &u8) -> *const &u8 { + debug x => _1; // in scope 0 at $DIR/casts.rs:+0:30: +0:31 + let mut _0: *const &u8; // return place in scope 0 at $DIR/casts.rs:+0:51: +0:64 + let mut _2: *const &u8; // in scope 0 at $DIR/casts.rs:+1:5: +1:55 + let mut _3: *const &u8; // in scope 0 at $DIR/casts.rs:+1:36: +1:37 + scope 1 (inlined generic_cast::<&u8, &u8>) { // at $DIR/casts.rs:6:5: 6:38 + debug x => _3; // in scope 1 at $DIR/casts.rs:10:23: 10:24 + } + + bb0: { + StorageLive(_2); // scope 0 at $DIR/casts.rs:+1:5: +1:55 + StorageLive(_3); // scope 0 at $DIR/casts.rs:+1:36: +1:37 + _3 = _1; // scope 0 at $DIR/casts.rs:+1:36: +1:37 +- _2 = _3 as *const &u8 (PtrToPtr); // scope 1 at $DIR/casts.rs:11:5: 11:18 ++ _2 = _3; // scope 1 at $DIR/casts.rs:11:5: 11:18 + StorageDead(_3); // scope 0 at $DIR/casts.rs:+1:37: +1:38 + _0 = _2; // scope 0 at $DIR/casts.rs:+1:5: +1:55 + StorageDead(_2); // scope 0 at $DIR/casts.rs:+2:1: +2:2 + return; // scope 0 at $DIR/casts.rs:+2:2: +2:2 + } + } + |