Add a new option to indicate we want the code generator to emit code quickly,not spending tons of time microoptimizing it. This is useful for an -O0style of build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24233 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Skeleton/SkeletonTargetMachine.cpp

@@ -40,7 +40,8 @@ SkeletonTargetMachine::SkeletonTargetMachine(const Module &M,
 ///
 bool SkeletonTargetMachine::addPassesToEmitFile(PassManager &PM,
                                                 std::ostream &Out,
-                                                CodeGenFileType FileType) {
+                                                CodeGenFileType FileType,
+                                                bool Fast) {
   if (FileType != TargetMachine::AssemblyFile) return true;
   // <insert instruction selector passes here>
   PM.add(createRegisterAllocator());

lib/Target/Skeleton/SkeletonTargetMachine.h

@@ -44,7 +44,7 @@ namespace llvm {
                                             MachineCodeEmitter &MCE);
 
     virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
-                                     CodeGenFileType FileType);
+                                     CodeGenFileType FileType, bool Fast);
   };
 
 } // end namespace llvm