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| author | Chris Lattner <sabre@nondot.org> | 2010-02-25 22:33:52 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-02-25 22:33:52 +0000 |
| commit | a687465bae9ce793444fef37eb790ac7722f6bc7 (patch) | |
| tree | 4d7b89ae43506e3ae75ea601df51f235701e5be8 /test | |
| parent | 55983f1ca5f24b167c9ef76e2a0136fbf0ee37ce (diff) | |
| download | external_llvm-a687465bae9ce793444fef37eb790ac7722f6bc7.zip external_llvm-a687465bae9ce793444fef37eb790ac7722f6bc7.tar.gz external_llvm-a687465bae9ce793444fef37eb790ac7722f6bc7.tar.bz2 | |
rewrite OptimizeGlobalAddressOfMalloc to fix PR6422, some bugs
introduced when mallocinst was eliminated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97178 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/GlobalOpt/2010-02-25-MallocPromote.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/2010-02-25-MallocPromote.ll b/test/Transforms/GlobalOpt/2010-02-25-MallocPromote.ll new file mode 100644 index 0000000..52f4fde --- /dev/null +++ b/test/Transforms/GlobalOpt/2010-02-25-MallocPromote.ll @@ -0,0 +1,17 @@ +; PR6422 +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" +target triple = "x86_64-unknown-linux-gnu" + +@fixLRBT = internal global i32* null ; <i32**> [#uses=2] + +declare noalias i8* @malloc(i32) + +define i32 @parser() nounwind { +bb918: + %malloccall.i10 = call i8* @malloc(i32 16) nounwind ; <i8*> [#uses=1] + %0 = bitcast i8* %malloccall.i10 to i32* ; <i32*> [#uses=1] + store i32* %0, i32** @fixLRBT, align 8 + %1 = load i32** @fixLRBT, align 8 ; <i32*> [#uses=0] + %A = load i32* %1 + ret i32 %A +} |