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| author | Owen Anderson <resistor@mac.com> | 2007-06-19 05:41:22 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2007-06-19 05:41:22 +0000 |
| commit | 5b689c3a28cb3e51d25c2ef1e9ea448a4baf0757 (patch) | |
| tree | c8d929fbd578ddb1ba34388af469b148aa93bbf8 /test | |
| parent | 20cb51fda48edb2109fb94cd7c04e2774db3bb6c (diff) | |
| download | external_llvm-5b689c3a28cb3e51d25c2ef1e9ea448a4baf0757.zip external_llvm-5b689c3a28cb3e51d25c2ef1e9ea448a4baf0757.tar.gz external_llvm-5b689c3a28cb3e51d25c2ef1e9ea448a4baf0757.tar.bz2 | |
Add a new testcase for memory corruption issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37648 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/GVNPRE/2007-06-18-EraseNumbering.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/GVNPRE/2007-06-18-EraseNumbering.ll b/test/Transforms/GVNPRE/2007-06-18-EraseNumbering.ll new file mode 100644 index 0000000..af51a03 --- /dev/null +++ b/test/Transforms/GVNPRE/2007-06-18-EraseNumbering.ll @@ -0,0 +1,26 @@ +; RUN: llvm-as < %s | opt -gvnpre | llvm-dis + +define i32 @TreeCCStreamFlush(i8* %stream) { +entry: + br i1 false, label %bb55.preheader, label %cond_true + +cond_true: ; preds = %entry + ret i32 0 + +bb55.preheader: ; preds = %entry + %tmp57 = icmp eq i8* null, null ; <i1> [#uses=0] + br i1 false, label %cond_next106, label %bb124 + +cond_next106: ; preds = %bb55.preheader + %tmp109 = load i8** null + br i1 false, label %bb124, label %bb116 + +bb116: ; preds = %cond_next106 + ret i32 0 + +bb124: ; preds = %cond_next106, %bb55.preheader + %buffer.4 = phi i8* [ null, %bb55.preheader ], [ %tmp109, %cond_next106 ] + %tmp131 = icmp eq i8* %buffer.4, null + %bothcond = or i1 %tmp131, false + ret i32 0 +} |