Early exit from getAllocationData() and isFreeCall() for intrinsics.
llvm-svn: 176722
diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index 999ee8a..d490d54 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -88,6 +88,10 @@
static const AllocFnsTy *getAllocationData(const Value *V, AllocType AllocTy,
const TargetLibraryInfo *TLI,
bool LookThroughBitCast = false) {
+ // Skip intrinsics
+ if (isa<IntrinsicInst>(V))
+ return 0;
+
Function *Callee = getCalledFunction(V, LookThroughBitCast);
if (!Callee)
return 0;
@@ -300,7 +304,7 @@
/// 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)
+ if (!CI || isa<IntrinsicInst>(CI))
return 0;
Function *Callee = CI->getCalledFunction();
if (Callee == 0 || !Callee->isDeclaration())