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| author | Chris Lattner <sabre@nondot.org> | 2010-11-30 23:43:23 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-11-30 23:43:23 +0000 |
| commit | 3161ae18670e2b66aa4a7bf4805b32ca6aff1757 (patch) | |
| tree | cd161ed9059f4da60edc63a0f6f682a33eec8f10 /test/Transforms/DeadStoreElimination | |
| parent | d309b413a5a246e006a63f61aa9052effd8b4c7e (diff) | |
| download | llvm-3161ae18670e2b66aa4a7bf4805b32ca6aff1757.tar.gz llvm-3161ae18670e2b66aa4a7bf4805b32ca6aff1757.tar.bz2 llvm-3161ae18670e2b66aa4a7bf4805b32ca6aff1757.tar.xz | |
Enhance DSE to handle the variable index case in PR8657.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120498 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/DeadStoreElimination')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/PartialStore.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/PartialStore.ll b/test/Transforms/DeadStoreElimination/PartialStore.ll index 999229885d..7ac1e0844e 100644 --- a/test/Transforms/DeadStoreElimination/PartialStore.ll +++ b/test/Transforms/DeadStoreElimination/PartialStore.ll @@ -52,3 +52,20 @@ define void @test4(i8* %P) { store double 0.0, double* %Q ret void } + +; PR8657 +declare void @test5a(i32*) +define void @test5(i32 %i) nounwind ssp { + %A = alloca i32 + %B = bitcast i32* %A to i8* + %C = getelementptr i8* %B, i32 %i + store i8 10, i8* %C ;; Dead store to variable index. + store i32 20, i32* %A + + call void @test5a(i32* %A) + ret void +; CHECK: @test5( +; CHECK-NEXT: alloca +; CHECK-NEXT: store i32 20 +; CHECK-NEXT: call void @test5a +} |