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Add a new testcase for memory corruption issues. 

llvm-svn: 37648
This commit is contained in:
Owen Anderson 2007-06-19 05:41:22 +00:00
parent 91c54950b3
commit 3552c9e845
1 changed files with 26 additions and 0 deletions
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26
llvm/test/Transforms/GVNPRE/2007-06-18-EraseNumbering.ll Normal file
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; 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
}