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| author | Matt Beaumont-Gay <matthewbg@google.com> | 2012-03-15 20:24:29 +0000 |
|---|---|---|
| committer | Matt Beaumont-Gay <matthewbg@google.com> | 2012-03-15 20:24:29 +0000 |
| commit | cb18ca29e24a5055e1db353859d3fe7ce0fb271c (patch) | |
| tree | f7b659a1602deffa690afa1ff9cfa33e32129c8b /test | |
| parent | f72e0ca71507ab3d8566148e124fe21f4a051cd1 (diff) | |
| download | llvm-cb18ca29e24a5055e1db353859d3fe7ce0fb271c.tar.gz llvm-cb18ca29e24a5055e1db353859d3fe7ce0fb271c.tar.bz2 llvm-cb18ca29e24a5055e1db353859d3fe7ce0fb271c.tar.xz | |
line endings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152832 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/ScalarRepl/negative-memset.ll | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/test/Transforms/ScalarRepl/negative-memset.ll b/test/Transforms/ScalarRepl/negative-memset.ll index 5c7f307b7a..e52ab468fd 100644 --- a/test/Transforms/ScalarRepl/negative-memset.ll +++ b/test/Transforms/ScalarRepl/negative-memset.ll @@ -1,20 +1,20 @@ -; PR12202
-; RUN: opt < %s -scalarrepl -S
-; Ensure that we do not hang or crash when feeding a negative value to memset
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32"
-target triple = "i686-pc-win32"
-
-define i32 @test() nounwind {
-entry:
- %retval = alloca i32, align 4
- %buff = alloca [1 x i8], align 1
- store i32 0, i32* %retval
- %0 = bitcast [1 x i8]* %buff to i8*
- call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 1, i32 1, i1 false)
- %arraydecay = getelementptr inbounds [1 x i8]* %buff, i32 0, i32 0
- call void @llvm.memset.p0i8.i32(i8* %arraydecay, i8 -1, i32 -8, i32 1, i1 false) ; Negative 8!
- ret i32 0
-}
-
-declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
+; PR12202 +; RUN: opt < %s -scalarrepl -S +; Ensure that we do not hang or crash when feeding a negative value to memset + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" +target triple = "i686-pc-win32" + +define i32 @test() nounwind { +entry: + %retval = alloca i32, align 4 + %buff = alloca [1 x i8], align 1 + store i32 0, i32* %retval + %0 = bitcast [1 x i8]* %buff to i8* + call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 1, i32 1, i1 false) + %arraydecay = getelementptr inbounds [1 x i8]* %buff, i32 0, i32 0 + call void @llvm.memset.p0i8.i32(i8* %arraydecay, i8 -1, i32 -8, i32 1, i1 false) ; Negative 8! + ret i32 0 +} + +declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind |