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For PR21145: recognise a builtin call to a known deallocation function even if

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it's defined in the current module. Clang generates this situation for the
C++14 sized deallocation functions, because it generates a weak definition in
case one isn't provided by the C++ runtime library.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226069 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Smith
2015-01-15 01:00:33 +00:00
parent 32467012f6
commit ef7d38d35a
2 changed files with 24 additions and 5 deletions
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2
lib/Analysis/MemoryBuiltins.cpp
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@@ -319,7 +319,7 @@ const CallInst *llvm::isFreeCall(const Value *I, const TargetLibraryInfo *TLI) {
if (!CI || isa<IntrinsicInst>(CI))
return nullptr;
Function *Callee = CI->getCalledFunction();
if (Callee == nullptr || !Callee->isDeclaration())
if (Callee == nullptr)
return nullptr;
StringRef FnName = Callee->getName();