TargetPassConfig: confine the MC configuration to TargetMachine.

Passes prior to instructon selection are now split into separate configurable stages.
Header dependencies are simplified.
The bulk of this diff is simply removal of the silly DisableVerify flags.

Sorry for the target header churn. Attempting to stabilize them.

llvm-svn: 149754

llvm/lib/Target/Mips/MipsTargetMachine.cpp

@@ -93,9 +93,8 @@ namespace {
 /// Mips Code Generator Pass Configuration Options.
 class MipsPassConfig : public TargetPassConfig {
 public:
-  MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM,
-                 bool DisableVerifyFlag)
-    : TargetPassConfig(TM, PM, DisableVerifyFlag) {}
+  MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM)
+    : TargetPassConfig(TM, PM) {}
 
   MipsTargetMachine &getMipsTargetMachine() const {
     return getTM<MipsTargetMachine>();
@@ -112,9 +111,8 @@ public:
 };
 } // namespace
 
-TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM,
-                                                     bool DisableVerify) {
-  return new MipsPassConfig(this, PM, DisableVerify);
+TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM) {
+  return new MipsPassConfig(this, PM);
 }
 
 // Install an instruction selector pass using