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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 | f6f1f062cc8029aa75ca7d0e99fbc1e0b453d07e (patch) | |
| tree | aaeabb940e1abda8247927a5003401bd865f3085 /test/Transforms/DeadStoreElimination | |
| parent | b7dfb970e60d0e559f9e27e3914a4cbb8e7be5eb (diff) | |
implement PR8576, deleting dead stores with intervening may-alias stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119927 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/DeadStoreElimination')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/simple.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/simple.ll b/test/Transforms/DeadStoreElimination/simple.ll index f0c140d50a..0a16603f55 100644 --- a/test/Transforms/DeadStoreElimination/simple.ll +++ b/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 +} |