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-rw-r--r--llvm/lib/Analysis/MemoryBuiltins.cpp18
1 files changed, 8 insertions, 10 deletions
diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index 24fedfed772..2aa389e059c 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -112,10 +112,9 @@ static const Function *getCalledFunction(const Value *V, bool LookThroughBitCast
IsNoBuiltin = CS.isNoBuiltin();
- const Function *Callee = CS.getCalledFunction();
- if (!Callee || !Callee->isDeclaration())
- return nullptr;
- return Callee;
+ if (const Function *Callee = CS.getCalledFunction())
+ return Callee;
+ return nullptr;
}
/// Returns the allocation data for the given value if it's either a call to a
@@ -350,11 +349,10 @@ const CallInst *llvm::extractCallocCall(const Value *I,
/// isFreeCall - Returns non-null if the value is a call to the builtin free()
const CallInst *llvm::isFreeCall(const Value *I, const TargetLibraryInfo *TLI) {
- const CallInst *CI = dyn_cast<CallInst>(I);
- if (!CI || isa<IntrinsicInst>(CI))
- return nullptr;
- Function *Callee = CI->getCalledFunction();
- if (Callee == nullptr)
+ bool IsNoBuiltinCall;
+ const Function *Callee =
+ getCalledFunction(I, /*LookThroughBitCast=*/false, IsNoBuiltinCall);
+ if (Callee == nullptr || IsNoBuiltinCall)
return nullptr;
StringRef FnName = Callee->getName();
@@ -400,7 +398,7 @@ const CallInst *llvm::isFreeCall(const Value *I, const TargetLibraryInfo *TLI) {
if (FTy->getParamType(0) != Type::getInt8PtrTy(Callee->getContext()))
return nullptr;
- return CI;
+ return dyn_cast<CallInst>(I);
}
//===----------------------------------------------------------------------===//
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