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| author | Chris Lattner <sabre@nondot.org> | 2011-05-23 05:15:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-05-23 05:15:43 +0000 |
| commit | c10ecd8f23ebb4541acbe18563b7f19c4f79e721 (patch) | |
| tree | 95110640ff4dc7bb0cf791c0a2881caff3246e51 /test/Transforms/DeadStoreElimination | |
| parent | d34d429401187f4251c38323a1bc517bc96763b9 (diff) | |
| download | llvm-c10ecd8f23ebb4541acbe18563b7f19c4f79e721.tar.gz llvm-c10ecd8f23ebb4541acbe18563b7f19c4f79e721.tar.bz2 llvm-c10ecd8f23ebb4541acbe18563b7f19c4f79e721.tar.xz | |
fix a really nasty basicaa mod/ref calculation bug that was causing miscompilation of
UnitTests/ObjC/messages-2.m with the recent optimizer improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131897 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/DeadStoreElimination')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/simple.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/simple.ll b/test/Transforms/DeadStoreElimination/simple.ll index a61eac9729..23576dadcf 100644 --- a/test/Transforms/DeadStoreElimination/simple.ll +++ b/test/Transforms/DeadStoreElimination/simple.ll @@ -236,3 +236,20 @@ define void @test18(i8* %P, i8* %Q, i8* %R) nounwind ssp { ; CHECK-NEXT: call void @llvm.memcpy ; CHECK-NEXT: ret } + + +; The store here is not dead because the byval call reads it. +declare void @test19f({i32}* byval align 4 %P) + +define void @test19({i32} * nocapture byval align 4 %arg5) nounwind ssp { +bb: + %tmp7 = getelementptr inbounds {i32}* %arg5, i32 0, i32 0 + store i32 912, i32* %tmp7 + call void @test19f({i32}* byval align 4 %arg5) + ret void + +; CHECK: @test19( +; CHECK: store i32 912 +; CHECK: call void @test19f +} + |