Simplify and rename function overrideFunctionAttributes. NFC.

This is in preparation to making changes needed to stop resetting
NoFramePointerElim in resetTargetOptions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238079 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/CommandFlags.h

@@ -287,15 +287,4 @@ static inline std::string getFeaturesStr() {
   return Features.getString();
 }
 
-static inline void overrideFunctionAttributes(StringRef CPU, StringRef Features,
-                                              Module &M) {
-  for (auto &F : M) {
-    if (!CPU.empty())
-      llvm::overrideFunctionAttribute("target-cpu", CPU, F);
-
-    if (!Features.empty())
-      llvm::overrideFunctionAttribute("target-features", Features, F);
-  }
-}
-
 #endif

include/llvm/IR/Function.h

@@ -591,9 +591,6 @@ ilist_traits<Argument>::getSymTab(Function *F) {
   return F ? &F->getValueSymbolTable() : nullptr;
 }
 
-/// \brief Overwrite attribute Kind in function F.
-void overrideFunctionAttribute(StringRef Kind, StringRef Value, Function &F);
-
 } // End llvm namespace
 
 #endif

include/llvm/Target/TargetOptions.h

@@ -222,6 +222,10 @@ namespace llvm {
     MCTargetOptions MCOptions;
   };
 
+/// \brief Set function attributes of functions in Module M based on CPU and
+/// Features.
+void setFunctionAttributes(StringRef CPU, StringRef Features, Module &M);
+
 // Comparison operators: