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| author | Duncan Sands <baldrick@free.fr> | 2008-04-07 17:03:16 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2008-04-07 17:03:16 +0000 |
| commit | f02a8070eb01075993129d32ac264c651be55d62 (patch) | |
| tree | c8b75c1c2a93f24153cae406f901ddf1b278c304 /test | |
| parent | 565ada0b35f6d3b03bf32e5219201a436aa8d832 (diff) | |
| download | external_llvm-f02a8070eb01075993129d32ac264c651be55d62.zip external_llvm-f02a8070eb01075993129d32ac264c651be55d62.tar.gz external_llvm-f02a8070eb01075993129d32ac264c651be55d62.tar.bz2 | |
Testcase for pr2169.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49344 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Analysis/Andersens/2008-04-07-Memcpy.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Analysis/Andersens/2008-04-07-Memcpy.ll b/test/Analysis/Andersens/2008-04-07-Memcpy.ll new file mode 100644 index 0000000..9354449 --- /dev/null +++ b/test/Analysis/Andersens/2008-04-07-Memcpy.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | opt -anders-aa -gvn | llvm-dis | not grep undef +; PR2169 + +declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind +declare void @use(i8) + +define void @f(i8* %x) { +entry: + %copy = alloca i8 ; <i8*> [#uses=6] + call void @llvm.memcpy.i32( i8* %copy, i8* %x, i32 1, i32 4 ) + %tmp = load i8* %copy ; <i8> [#uses=1] + call void @use(i8 %tmp) + ret void +} |