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Handle undef values in LLVMVectorValuesAllEqual()

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Matt Pharr
2012-01-27 16:48:14 -08:00
parent 664dc3bdda
commit 0f01a5dcbe
1 changed files with 4 additions and 0 deletions
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4
llvmutil.cpp
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@@ -669,6 +669,10 @@ LLVMVectorValuesAllEqual(llvm::Value *v, int vectorLength,
return true; return true;
} }
if (llvm::isa<llvm::UndefValue>(v))
// ?
return false;
Assert(!llvm::isa<llvm::Constant>(v)); Assert(!llvm::isa<llvm::Constant>(v));
if (llvm::isa<llvm::CallInst>(v) || llvm::isa<llvm::LoadInst>(v) || if (llvm::isa<llvm::CallInst>(v) || llvm::isa<llvm::LoadInst>(v) ||