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author | Chris Lattner <sabre@nondot.org> | 2010-11-30 00:12:39 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-11-30 00:12:39 +0000 |
commit | 184d1ba73866b688cef5f78a214e3fb964b6d833 (patch) | |
tree | 812c9e7beff7222e9ed4026c7589a37e08acae1a /test/Transforms | |
parent | 5c86a0a2b5005a37c791c75882b5b3185c61ecb1 (diff) | |
download | llvm-184d1ba73866b688cef5f78a214e3fb964b6d833.tar.gz llvm-184d1ba73866b688cef5f78a214e3fb964b6d833.tar.bz2 llvm-184d1ba73866b688cef5f78a214e3fb964b6d833.tar.xz |
my previous patch would cause us to start deleting some volatile
stores, fix and add a testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120363 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
-rw-r--r-- | test/Transforms/DeadStoreElimination/simple.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/simple.ll b/test/Transforms/DeadStoreElimination/simple.ll index 6aba1d2125..05e0d351de 100644 --- a/test/Transforms/DeadStoreElimination/simple.ll +++ b/test/Transforms/DeadStoreElimination/simple.ll @@ -34,3 +34,23 @@ define i32 @test3(i32* %g_addr) nounwind { %tmp3 = load i32* @g, align 4 ret i32 %tmp3 } + + +define void @test4(i32* %Q) { + %a = load i32* %Q + volatile store i32 %a, i32* %Q + ret void +; CHECK: @test4 +; CHECK-NEXT: load i32 +; CHECK-NEXT: volatile store +; CHECK-NEXT: ret void +} + +define void @test5(i32* %Q) { + %a = volatile load i32* %Q + store i32 %a, i32* %Q + ret void +; CHECK: @test5 +; CHECK-NEXT: volatile load +; CHECK-NEXT: ret void +} |