Move FrameInstructions from MachineModuleInfo to MachineFunction

This is per function data so it is better kept at the function instead
of the module.

This is a necessary step to have machine module passes work properly.

Differential Revision: https://reviews.llvm.org/D27185

llvm-svn: 288291

llvm/lib/CodeGen/MachineModuleInfo.cpp

@@ -230,9 +230,6 @@ bool MachineModuleInfo::doFinalization(Module &M) {
 }
 
 void MachineModuleInfo::EndFunction() {
-  // Clean up frame info.
-  FrameInstructions.clear();
-
   // Clean up exception info.
   LandingPads.clear();
   PersonalityTypeCache = EHPersonality::Unknown;