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[MemoryBuiltins] Use ImmutableCallSite instead of CallSite to remove a const_cast and const correct. NFCI

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llvm-svn: 300585
This commit is contained in:
Craig Topper 2017-04-18 20:17:23 +00:00
parent 3aa04388f3
commit ef23c7e15c
1 changed files with 4 additions and 4 deletions
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8
lib/Analysis/MemoryBuiltins.cpp
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@ -77,8 +77,8 @@ static const std::pair<LibFunc, AllocFnsTy> AllocationFnData[] = {
// TODO: Handle "int posix_memalign(void **, size_t, size_t)"
};
static Function *getCalledFunction(const Value *V, bool LookThroughBitCast,
bool &IsNoBuiltin) {
static const Function *getCalledFunction(const Value *V, bool LookThroughBitCast,
bool &IsNoBuiltin) {
// Don't care about intrinsics in this case.
if (isa<IntrinsicInst>(V))
return nullptr;
@ -86,13 +86,13 @@ static Function *getCalledFunction(const Value *V, bool LookThroughBitCast,
if (LookThroughBitCast)
V = V->stripPointerCasts();
CallSite CS(const_cast<Value*>(V));
ImmutableCallSite CS(V);
if (!CS.getInstruction())
return nullptr;
IsNoBuiltin = CS.isNoBuiltin();
Function *Callee = CS.getCalledFunction();
const Function *Callee = CS.getCalledFunction();
if (!Callee || !Callee->isDeclaration())
return nullptr;
return Callee;