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| author | Chris Lattner <sabre@nondot.org> | 2010-11-21 07:34:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-11-21 07:34:32 +0000 |
| commit | e48c31ce33d5d033aa9a79f092057d92173a676d (patch) | |
| tree | c640c676b0ab95a69b4cfd2be27f8228b8d557bb /llvm/test/Transforms | |
| parent | 6e22221b377b660e63b617950ca6c4bb04f222e8 (diff) | |
| download | bcm5719-llvm-e48c31ce33d5d033aa9a79f092057d92173a676d.tar.gz bcm5719-llvm-e48c31ce33d5d033aa9a79f092057d92173a676d.zip | |
implement PR8576, deleting dead stores with intervening may-alias stores.
llvm-svn: 119927
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/DeadStoreElimination/simple.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/Transforms/DeadStoreElimination/simple.ll b/llvm/test/Transforms/DeadStoreElimination/simple.ll index f0c140d50a3..0a16603f55d 100644 --- a/llvm/test/Transforms/DeadStoreElimination/simple.ll +++ b/llvm/test/Transforms/DeadStoreElimination/simple.ll @@ -11,3 +11,12 @@ define void @test1(i32* %Q, i32* %P) { ; CHECK-NEXT: ret void } +; PR8576 - Should delete store of 10 even though p/q are may aliases. +define void @test2(i32 *%p, i32 *%q) { + store i32 10, i32* %p, align 4 + store i32 20, i32* %q, align 4 + store i32 30, i32* %p, align 4 + ret void +; CHECK: @test2 +; CHECK-NEXT: store i32 20 +} |
