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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-05-29 19:33:36 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-05-29 19:33:36 +0000 |
| commit | bcb85087a7f281dcc85b04f82be3a79ff9387fc5 (patch) | |
| tree | 405c2274b8647f830fafa8101fa0fa95cf46bcc8 | |
| parent | 1f237b00279ada1ccce35ab924a7f797d9dea25d (diff) | |
Don't crash owhen ComputeLoadResult can't compute the result of the load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132290 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/IPO/GlobalOpt.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index 371500bc78..cdf7b76dd0 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -2444,7 +2444,7 @@ static bool EvaluateFunction(Function *F, Constant *&RetVal, Constant *Val = getVal(Values, MSI->getValue()); Constant *DestVal = ComputeLoadResult(getVal(Values, Ptr), MutatedMemory); - if (Val->isNullValue() && DestVal->isNullValue()) { + if (Val->isNullValue() && DestVal && DestVal->isNullValue()) { // This memset is a no-op. ++CurInst; continue; |