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| author | rdivacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
| commit | d2e985fd323c167e20f77b045a1d99ad166e65db (patch) | |
| tree | 6a111e552c75afc66228e3d8f19b6731e4013f10 /test/Transforms/DeadStoreElimination/lifetime.ll | |
| parent | ded64d5d348ce8d8c5aa42cf63f6de9dd84b7e89 (diff) | |
| download | FreeBSD-src-d2e985fd323c167e20f77b045a1d99ad166e65db.zip FreeBSD-src-d2e985fd323c167e20f77b045a1d99ad166e65db.tar.gz | |
Update LLVM to r89205.
Diffstat (limited to 'test/Transforms/DeadStoreElimination/lifetime.ll')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/lifetime.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/lifetime.ll b/test/Transforms/DeadStoreElimination/lifetime.ll new file mode 100644 index 0000000..b2da790 --- /dev/null +++ b/test/Transforms/DeadStoreElimination/lifetime.ll @@ -0,0 +1,19 @@ +; RUN: opt -S -dse < %s | FileCheck %s + +declare void @llvm.lifetime.end(i64, i8*) +declare void @llvm.memset.i8(i8*, i8, i8, i32) + +define void @test1() { +; CHECK: @test1 + %A = alloca i8 + + store i8 0, i8* %A ;; Written to by memset + call void @llvm.lifetime.end(i64 1, i8* %A) +; CHECK: lifetime.end + + call void @llvm.memset.i8(i8* %A, i8 0, i8 -1, i32 0) +; CHECK-NOT: memset + + ret void +; CHECK: ret void +} |
