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Diffstat (limited to 'test/Transforms/InstCombine/shift.ll')
-rw-r--r-- | test/Transforms/InstCombine/shift.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/shift.ll b/test/Transforms/InstCombine/shift.ll index 32867761a3..41f8aa9ee8 100644 --- a/test/Transforms/InstCombine/shift.ll +++ b/test/Transforms/InstCombine/shift.ll @@ -735,3 +735,13 @@ define i32 @test61(i32 %x) { ; CHECK: @test61 ; CHECK: ashr i32 %x, 4 } + +; propagate "exact" trait +define i32 @test62(i32 %x) { + %shr = ashr exact i32 %x, 4 + %shl = shl i32 %shr, 1 + %or = or i32 %shl, 1 + ret i32 %or +; CHECK: @test62 +; CHECK: ashr exact i32 %x, 3 +} |