MC: Remove NullStreamer hook, as it is redundant with NullTargetStreamer.

[oota-llvm.git] / lib / Target / Mips / MCTargetDesc / MipsMCTargetDesc.cpp

diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
index 490f03adc37ff2674d19c4a6d025b450cd83dba4..9b56067253cb9d30d02cde747c1934575ffa7e82 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
@@ -30,6 +30,8 @@
 #include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/TargetRegistry.h"
 
+using namespace llvm;
+
 #define GET_INSTRINFO_MC_DESC
 #include "MipsGenInstrInfo.inc"
 
@@ -39,11 +41,9 @@
 #define GET_REGINFO_MC_DESC
 #include "MipsGenRegisterInfo.inc"
 
-using namespace llvm;
-
 /// Select the Mips CPU for the given triple and cpu name.
 /// FIXME: Merge with the copy in MipsSubtarget.cpp
-static inline StringRef selectMipsCPU(StringRef TT, StringRef CPU) {
+StringRef MIPS_MC::selectMipsCPU(StringRef TT, StringRef CPU) {
   if (CPU.empty() || CPU == "generic") {
     Triple TheTriple(TT);
     if (TheTriple.getArch() == Triple::mips ||
@@ -69,7 +69,7 @@ static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
 
 static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
                                                   StringRef FS) {
-  CPU = selectMipsCPU(TT, CPU);
+  CPU = MIPS_MC::selectMipsCPU(TT, CPU);
   MCSubtargetInfo *X = new MCSubtargetInfo();
   InitMipsMCSubtargetInfo(X, TT, CPU, FS);
   return X;
@@ -79,7 +79,7 @@ static MCAsmInfo *createMipsMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) {
   MCAsmInfo *MAI = new MipsMCAsmInfo(TT);
 
   unsigned SP = MRI.getDwarfRegNum(Mips::SP, true);
-  MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, SP, 0);
+  MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, SP, 0);
   MAI->addInitialFrameState(Inst);
 
   return MAI;
@@ -109,31 +109,31 @@ static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Context, MCAsmBackend &MAB,
                                     raw_ostream &OS, MCCodeEmitter *Emitter,
-                                    const MCSubtargetInfo &STI,
-                                    bool RelaxAll, bool NoExecStack) {
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
   MCStreamer *S;
   if (!Triple(TT).isOSNaCl())
-    S = createMipsELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll,
-                              NoExecStack);
+    S = createMipsELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll);
   else
-    S = createMipsNaClELFStreamer(Context, MAB, OS, Emitter, RelaxAll,
-                                  NoExecStack);
+    S = createMipsNaClELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll);
   new MipsTargetELFStreamer(*S, STI);
   return S;
 }
 
 static MCStreamer *
 createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
-                    bool isVerboseAsm, bool useCFI, bool useDwarfDirectory,
+                    bool isVerboseAsm, bool useDwarfDirectory,
                     MCInstPrinter *InstPrint, MCCodeEmitter *CE,
                     MCAsmBackend *TAB, bool ShowInst) {
-  MCStreamer *S =
-      llvm::createAsmStreamer(Ctx, OS, isVerboseAsm, useCFI, useDwarfDirectory,
-                              InstPrint, CE, TAB, ShowInst);
+  MCStreamer *S = llvm::createAsmStreamer(
+      Ctx, OS, isVerboseAsm, useDwarfDirectory, InstPrint, CE, TAB, ShowInst);
   new MipsTargetAsmStreamer(*S, OS);
   return S;
 }
 
+static MCTargetStreamer *createMipsNullTargetStreamer(MCStreamer &S) {
+  return new MipsTargetStreamer(S);
+}
+
 extern "C" void LLVMInitializeMipsTargetMC() {
   // Register the MC asm info.
   RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
@@ -188,6 +188,15 @@ extern "C" void LLVMInitializeMipsTargetMC() {
   TargetRegistry::RegisterAsmStreamer(TheMips64Target, createMCAsmStreamer);
   TargetRegistry::RegisterAsmStreamer(TheMips64elTarget, createMCAsmStreamer);
 
+  TargetRegistry::RegisterNullTargetStreamer(TheMipsTarget,
+                                             createMipsNullTargetStreamer);
+  TargetRegistry::RegisterNullTargetStreamer(TheMipselTarget,
+                                             createMipsNullTargetStreamer);
+  TargetRegistry::RegisterNullTargetStreamer(TheMips64Target,
+                                             createMipsNullTargetStreamer);
+  TargetRegistry::RegisterNullTargetStreamer(TheMips64elTarget,
+                                             createMipsNullTargetStreamer);
+
   // Register the asm backend.
   TargetRegistry::RegisterMCAsmBackend(TheMipsTarget,
                                        createMipsAsmBackendEB32);