[MemoryBuiltins] Use ImmutableCallSite instead of CallSite to remove a const_cast and const correct. NFCI
llvm-svn: 300585
diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index b8c4449..2fee95d 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -77,8 +77,8 @@
// 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 @@
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;