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author | Tanya Lattner <tonic@nondot.org> | 2008-01-21 20:43:02 +0000 |
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committer | Tanya Lattner <tonic@nondot.org> | 2008-01-21 20:43:02 +0000 |
commit | c1dde534b1cb13c667621465f61d2e275abf9b3d (patch) | |
tree | 763a3bd738013fe2b0eb2f229bd49e05cdf2f0c6 | |
parent | a489619ead15a10ea31dcc74f96beb5aa89e73ef (diff) | |
download | llvm-c1dde534b1cb13c667621465f61d2e275abf9b3d.tar.gz |
Merge from mainline.
Make sure the caller doesn't use freed memory.
Fixes PR1935.
llvm-svn: 46213
-rw-r--r-- | llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp index 8d6c923ab134..5c572a640ed0 100644 --- a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -401,8 +401,10 @@ static bool OptimizeNoopCopyExpression(CastInst *CI, const TargetLowering &TLI){ } // If we removed all uses, nuke the cast. - if (CI->use_empty()) + if (CI->use_empty()) { CI->eraseFromParent(); + MadeChange = true; + } return MadeChange; } |