Overhaul my earlier submission due to feedback. It's a large patch, but most of
them are generic changes.

- Use the "fast" flag that's already being passed into the asm printers instead
  of shoving it into the DwarfWriter.

- Instead of calling "MI->getParent()->getParent()" for every MI, set the
  machine function when calling "runOnMachineFunction" in the asm printers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index 6c5d8b9..cc0efa8 100644
--- a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -49,13 +49,15 @@
 STATISTIC(EmittedInsts, "Number of machine instrs printed");
 
 namespace {
-  struct VISIBILITY_HIDDEN PPCAsmPrinter : public AsmPrinter {
+  class VISIBILITY_HIDDEN PPCAsmPrinter : public AsmPrinter {
+  protected:
     StringSet<> FnStubs, GVStubs, HiddenGVStubs;
     const PPCSubtarget &Subtarget;
-
-    PPCAsmPrinter(raw_ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
-      : AsmPrinter(O, TM, T), Subtarget(TM.getSubtarget<PPCSubtarget>()) {
-    }
+  public:
+    PPCAsmPrinter(raw_ostream &O, TargetMachine &TM,
+                  const TargetAsmInfo *T, bool F)
+      : AsmPrinter(O, TM, T, F),
+        Subtarget(TM.getSubtarget<PPCSubtarget>()) {}
 
     virtual const char *getPassName() const {
       return "PowerPC Assembly Printer";
@@ -291,14 +293,13 @@
   };
 
   /// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
-  struct VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
+  class VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
     DwarfWriter *DW;
     MachineModuleInfo *MMI;
-
+  public:
     PPCLinuxAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
-                    const TargetAsmInfo *T)
-      : PPCAsmPrinter(O, TM, T), DW(0), MMI(0) {
-    }
+                       const TargetAsmInfo *T, bool F)
+      : PPCAsmPrinter(O, TM, T, F), DW(0), MMI(0) {}
 
     virtual const char *getPassName() const {
       return "Linux PPC Assembly Printer";
@@ -320,15 +321,14 @@
 
   /// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
   /// OS X
-  struct VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
-
+  class VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
     DwarfWriter *DW;
     MachineModuleInfo *MMI;
     raw_ostream &OS;
+  public:
     PPCDarwinAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
-                        const TargetAsmInfo *T)
-      : PPCAsmPrinter(O, TM, T), DW(0), MMI(0), OS(O) {
-    }
+                        const TargetAsmInfo *T, bool F)
+      : PPCAsmPrinter(O, TM, T, F), DW(0), MMI(0), OS(O) {}
 
     virtual const char *getPassName() const {
       return "Darwin PPC Assembly Printer";
@@ -571,6 +571,7 @@
 /// method to print assembly for each instruction.
 ///
 bool PPCLinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+  this->MF = &MF;
 
   SetupMachineFunction(MF);
   O << "\n\n";
@@ -764,6 +765,8 @@
 /// method to print assembly for each instruction.
 ///
 bool PPCDarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+  this->MF = &MF;
+
   SetupMachineFunction(MF);
   O << "\n\n";
 
@@ -1146,13 +1149,14 @@
 /// Darwin assembler can deal with.
 ///
 FunctionPass *llvm::createPPCAsmPrinterPass(raw_ostream &o,
-                                            PPCTargetMachine &tm) {
+                                            PPCTargetMachine &tm,
+                                            bool fast) {
   const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
 
   if (Subtarget->isDarwin()) {
-    return new PPCDarwinAsmPrinter(o, tm, tm.getTargetAsmInfo());
+    return new PPCDarwinAsmPrinter(o, tm, tm.getTargetAsmInfo(), fast);
   } else {
-    return new PPCLinuxAsmPrinter(o, tm, tm.getTargetAsmInfo());
+    return new PPCLinuxAsmPrinter(o, tm, tm.getTargetAsmInfo(), fast);
   }
 }
 
diff --git a/lib/Target/PowerPC/PPC.h b/lib/Target/PowerPC/PPC.h
index 773b9c1..0980928 100644
--- a/lib/Target/PowerPC/PPC.h
+++ b/lib/Target/PowerPC/PPC.h
@@ -27,7 +27,8 @@
 FunctionPass *createPPCBranchSelectionPass();
 FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
 FunctionPass *createPPCAsmPrinterPass(raw_ostream &OS,
-                                      PPCTargetMachine &TM);
+                                      PPCTargetMachine &TM,
+                                      bool Fast);
 FunctionPass *createPPCCodeEmitterPass(PPCTargetMachine &TM,
                                        MachineCodeEmitter &MCE);
 } // end namespace llvm;
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index 0ff65d2a0..d142fd1 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -146,7 +146,7 @@
                                           raw_ostream &Out) {
   assert(AsmPrinterCtor && "AsmPrinter was not linked in");
   if (AsmPrinterCtor)
-    PM.add(AsmPrinterCtor(Out, *this));
+    PM.add(AsmPrinterCtor(Out, *this, Fast));
 
   return false;
 }
@@ -176,7 +176,7 @@
   if (DumpAsm) {
     assert(AsmPrinterCtor && "AsmPrinter was not linked in");
     if (AsmPrinterCtor)
-      PM.add(AsmPrinterCtor(errs(), *this));
+      PM.add(AsmPrinterCtor(errs(), *this, Fast));
   }
 
   return false;
@@ -189,7 +189,7 @@
   if (DumpAsm) {
     assert(AsmPrinterCtor && "AsmPrinter was not linked in");
     if (AsmPrinterCtor)
-      PM.add(AsmPrinterCtor(errs(), *this));
+      PM.add(AsmPrinterCtor(errs(), *this, Fast));
   }
 
   return false;
diff --git a/lib/Target/PowerPC/PPCTargetMachine.h b/lib/Target/PowerPC/PPCTargetMachine.h
index 8d65fd2..7cee593 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.h
+++ b/lib/Target/PowerPC/PPCTargetMachine.h
@@ -45,7 +45,8 @@
   // To avoid having target depend on the asmprinter stuff libraries, asmprinter
   // set this functions to ctor pointer at startup time if they are linked in.
   typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
-                                            PPCTargetMachine &tm);
+                                            PPCTargetMachine &tm, 
+                                            bool fast);
   static AsmPrinterCtorFn AsmPrinterCtor;
 
 public: