Move Function::lookupIntrinsicID to a static method.  NFC

llvm-svn: 237641
diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index a5d4d1c..71e07ea 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -433,6 +433,19 @@
     setPrologueData(nullptr);
 }
 
+/// \brief This does the actual lookup of an intrinsic ID which
+/// matches the given function name.
+static Intrinsic::ID lookupIntrinsicID(const ValueName *ValName) {
+  unsigned Len = ValName->getKeyLength();
+  const char *Name = ValName->getKeyData();
+
+#define GET_FUNCTION_RECOGNIZER
+#include "llvm/IR/Intrinsics.gen"
+#undef GET_FUNCTION_RECOGNIZER
+
+  return Intrinsic::not_intrinsic;
+}
+
 /// getIntrinsicID - This method returns the ID number of the specified
 /// function, or Intrinsic::not_intrinsic if the function is not an
 /// intrinsic, or if the pointer is null.  This value is always defined to be
@@ -449,27 +462,13 @@
   LLVMContextImpl::IntrinsicIDCacheTy &IntrinsicIDCache =
     getContext().pImpl->IntrinsicIDCache;
   if (!IntrinsicIDCache.count(this)) {
-    unsigned Id = lookupIntrinsicID();
+    unsigned Id = lookupIntrinsicID(ValName);
     IntrinsicIDCache[this]=Id;
     return Id;
   }
   return IntrinsicIDCache[this];
 }
 
-/// This private method does the actual lookup of an intrinsic ID when the query
-/// could not be answered from the cache.
-unsigned Function::lookupIntrinsicID() const {
-  const ValueName *ValName = this->getValueName();
-  unsigned Len = ValName->getKeyLength();
-  const char *Name = ValName->getKeyData();
-
-#define GET_FUNCTION_RECOGNIZER
-#include "llvm/IR/Intrinsics.gen"
-#undef GET_FUNCTION_RECOGNIZER
-
-  return 0;
-}
-
 /// Returns a stable mangling for the type specified for use in the name
 /// mangling scheme used by 'any' types in intrinsic signatures.  The mangling
 /// of named types is simply their name.  Manglings for unnamed types consist