[AMDGPU] Enable changing instprinter's behavior based on the per-function subtarget

[kzhuravl]

Summary

This is a prerequisite for coming waitcnt changes

[• tstellarAMD]

LGTM.

llvm/trunk/lib/Target/AMDGPU/AMDGPU.td

 }
 
 def AMDGPUAsmParser : AsmParser {
   // Some of the R600 registers have the same name, so this crashes.
   // For example T0_XYZW and T0_XY both have the asm name T0.
   let ShouldEmitMatchRegisterName = 0;
 }
 
+def AMDGPUAsmWriter : AsmWriter {
+  int PassSubtarget = 1;
+}
+
 def AMDGPUAsmVariants {
   string Default = "Default";
   int Default_ID = 0;
   string VOP3 = "VOP3";
   int VOP3_ID = 1;
   string SDWA = "SDWA";
   int SDWA_ID = 2;
   string DPP = "DPP";

 def AMDGPU : Target {
   // Pull in Instruction Info:
   let InstructionSet = AMDGPUInstrInfo;
   let AssemblyParsers = [AMDGPUAsmParser];
   let AssemblyParserVariants = [DefaultAMDGPUAsmParserVariant,
                                 VOP3AsmParserVariant,
                                 SDWAAsmParserVariant,
                                 DPPAsmParserVariant];
+  let AssemblyWriters = [AMDGPUAsmWriter];
 }
 
 // Dummy Instruction itineraries for pseudo instructions
 def ALU_NULL : FuncUnit;
 def NullALU : InstrItinClass;
 
 //===----------------------------------------------------------------------===//
 // Predicate helper class

llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.h

 
 class AMDGPUInstPrinter : public MCInstPrinter {
 public:
   AMDGPUInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
                      const MCRegisterInfo &MRI)
     : MCInstPrinter(MAI, MII, MRI) {}
 
   //Autogenerated by tblgen
-  void printInstruction(const MCInst *MI, raw_ostream &O);
+  void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI,
+                        raw_ostream &O);
   static const char *getRegisterName(unsigned RegNo);
 
   void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot,
                  const MCSubtargetInfo &STI) override;
   static void printRegOperand(unsigned RegNo, raw_ostream &O,
                               const MCRegisterInfo &MRI);
 
 private:
   void printU4ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printU8ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printU16ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  void printU16ImmOperand(const MCInst *MI, unsigned OpNo,
+                          const MCSubtargetInfo &STI, raw_ostream &O);
   void printU4ImmDecOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printU8ImmDecOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printU16ImmDecOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printU32ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printNamedBit(const MCInst* MI, unsigned OpNo, raw_ostream& O,
+  void printU32ImmOperand(const MCInst *MI, unsigned OpNo,
+                          const MCSubtargetInfo &STI, raw_ostream &O);
+  void printNamedBit(const MCInst *MI, unsigned OpNo, raw_ostream &O,
                      StringRef BitName);
   void printOffen(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printIdxen(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printAddr64(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printMBUFOffset(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printOffset(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printOffset0(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printOffset1(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSMRDOffset(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSMRDLiteralOffset(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printGDS(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printGLC(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSLC(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printTFE(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printDMask(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printUNorm(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printDA(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printR128(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printLWE(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  void printOffset(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                   raw_ostream &O);
+  void printOffset0(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printOffset1(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printSMRDOffset(const MCInst *MI, unsigned OpNo,
+                       const MCSubtargetInfo &STI, raw_ostream &O);
+  void printSMRDLiteralOffset(const MCInst *MI, unsigned OpNo,
+                              const MCSubtargetInfo &STI, raw_ostream &O);
+  void printGDS(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printGLC(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printSLC(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printTFE(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printDMask(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                  raw_ostream &O);
+  void printUNorm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                  raw_ostream &O);
+  void printDA(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+               raw_ostream &O);
+  void printR128(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                 raw_ostream &O);
+  void printLWE(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
   void printRegOperand(unsigned RegNo, raw_ostream &O);
-  void printVOPDst(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printImmediate32(uint32_t I, raw_ostream &O);
-  void printImmediate64(uint64_t I, raw_ostream &O);
-  void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printOperandAndFPInputMods(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printOperandAndIntInputMods(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printDPPCtrl(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printRowMask(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printBankMask(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printBoundCtrl(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  void printVOPDst(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                   raw_ostream &O);
+  void printImmediate32(uint32_t Imm, raw_ostream &O);
+  void printImmediate64(uint64_t Imm, raw_ostream &O);
+  void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printOperandAndFPInputMods(const MCInst *MI, unsigned OpNo,
+                                  const MCSubtargetInfo &STI, raw_ostream &O);
+  void printOperandAndIntInputMods(const MCInst *MI, unsigned OpNo,
+                                   const MCSubtargetInfo &STI, raw_ostream &O);
+  void printDPPCtrl(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printRowMask(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printBankMask(const MCInst *MI, unsigned OpNo,
+                     const MCSubtargetInfo &STI, raw_ostream &O);
+  void printBoundCtrl(const MCInst *MI, unsigned OpNo,
+                      const MCSubtargetInfo &STI, raw_ostream &O);
   void printSDWASel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSDWADstSel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSDWASrc0Sel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSDWASrc1Sel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printSDWADstUnused(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printInterpSlot(const MCInst *MI, unsigned OpNum, raw_ostream &O);
-  void printMemOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  void printSDWADstSel(const MCInst *MI, unsigned OpNo,
+                       const MCSubtargetInfo &STI, raw_ostream &O);
+  void printSDWASrc0Sel(const MCInst *MI, unsigned OpNo,
+                        const MCSubtargetInfo &STI, raw_ostream &O);
+  void printSDWASrc1Sel(const MCInst *MI, unsigned OpNo,
+                        const MCSubtargetInfo &STI, raw_ostream &O);
+  void printSDWADstUnused(const MCInst *MI, unsigned OpNo,
+                          const MCSubtargetInfo &STI, raw_ostream &O);
+  void printInterpSlot(const MCInst *MI, unsigned OpNo,
+                       const MCSubtargetInfo &STI, raw_ostream &O);
+  void printMemOperand(const MCInst *MI, unsigned OpNo,
+                       const MCSubtargetInfo &STI, raw_ostream &O);
   static void printIfSet(const MCInst *MI, unsigned OpNo, raw_ostream &O,
                          StringRef Asm, StringRef Default = "");
-  static void printIfSet(const MCInst *MI, unsigned OpNo,
-                         raw_ostream &O, char Asm);
-  static void printAbs(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printClamp(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printClampSI(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printOModSI(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  void printLiteral(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printLast(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printNeg(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printOMOD(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printRel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printUpdateExecMask(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O);
-  static void printUpdatePred(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printWrite(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printSel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printBankSwizzle(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printRSel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printCT(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printKCache(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printSendMsg(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printWaitFlag(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-  static void printHwreg(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  static void printIfSet(const MCInst *MI, unsigned OpNo, raw_ostream &O,
+                         char Asm);
+  void printAbs(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printClamp(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                  raw_ostream &O);
+  void printClampSI(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printOModSI(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                   raw_ostream &O);
+  void printLiteral(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printLast(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                 raw_ostream &O);
+  void printNeg(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printOMOD(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                 raw_ostream &O);
+  void printRel(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                raw_ostream &O);
+  void printUpdateExecMask(const MCInst *MI, unsigned OpNo,
+                           const MCSubtargetInfo &STI, raw_ostream &O);
+  void printUpdatePred(const MCInst *MI, unsigned OpNo,
+                       const MCSubtargetInfo &STI, raw_ostream &O);
+  void printWrite(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                  raw_ostream &O);
+  void printSel(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  void printBankSwizzle(const MCInst *MI, unsigned OpNo,
+                        const MCSubtargetInfo &STI, raw_ostream &O);
+  void printRSel(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                 raw_ostream &O);
+  void printCT(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+               raw_ostream &O);
+  void printKCache(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                   raw_ostream &O);
+  void printSendMsg(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                    raw_ostream &O);
+  void printWaitFlag(const MCInst *MI, unsigned OpNo,
+                     const MCSubtargetInfo &STI, raw_ostream &O);
+  void printHwreg(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                  raw_ostream &O);
 };
 
 } // End namespace llvm
 
 #endif

llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp

 
 #include <string>
 
 using namespace llvm;
 
 void AMDGPUInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
                                   StringRef Annot, const MCSubtargetInfo &STI) {
   OS.flush();
-  printInstruction(MI, OS);
-
+  printInstruction(MI, STI, OS);
   printAnnotation(OS, Annot);
 }
 
 void AMDGPUInstPrinter::printU4ImmOperand(const MCInst *MI, unsigned OpNo,
-                                           raw_ostream &O) {
   O << formatHex(MI->getOperand(OpNo).getImm() & 0xf);
 }
 
 void AMDGPUInstPrinter::printU8ImmOperand(const MCInst *MI, unsigned OpNo,
-                                           raw_ostream &O) {
   O << formatHex(MI->getOperand(OpNo).getImm() & 0xff);
 }
 
 void AMDGPUInstPrinter::printU16ImmOperand(const MCInst *MI, unsigned OpNo,
+                                           const MCSubtargetInfo &STI,
                                            raw_ostream &O) {
   O << formatHex(MI->getOperand(OpNo).getImm() & 0xffff);
 }
 
-void AMDGPUInstPrinter::printU32ImmOperand(const MCInst *MI, unsigned OpNo,
-                                           raw_ostream &O) {
-  O << formatHex(MI->getOperand(OpNo).getImm() & 0xffffffff);
-}
-
 void AMDGPUInstPrinter::printU4ImmDecOperand(const MCInst *MI, unsigned OpNo,
                                              raw_ostream &O) {
   O << formatDec(MI->getOperand(OpNo).getImm() & 0xf);
 }
 
 void AMDGPUInstPrinter::printU8ImmDecOperand(const MCInst *MI, unsigned OpNo,
                                              raw_ostream &O) {
   O << formatDec(MI->getOperand(OpNo).getImm() & 0xff);
 }
 
 void AMDGPUInstPrinter::printU16ImmDecOperand(const MCInst *MI, unsigned OpNo,
                                               raw_ostream &O) {
   O << formatDec(MI->getOperand(OpNo).getImm() & 0xffff);
 }
 
-void AMDGPUInstPrinter::printNamedBit(const MCInst* MI, unsigned OpNo,
-                                      raw_ostream& O, StringRef BitName) {
+void AMDGPUInstPrinter::printU32ImmOperand(const MCInst *MI, unsigned OpNo,
+                                           const MCSubtargetInfo &STI,
+                                           raw_ostream &O) {
+  O << formatHex(MI->getOperand(OpNo).getImm() & 0xffffffff);
+}
+
+void AMDGPUInstPrinter::printNamedBit(const MCInst *MI, unsigned OpNo,
+                                      raw_ostream &O, StringRef BitName) {
   if (MI->getOperand(OpNo).getImm()) {
     O << ' ' << BitName;
   }
 }
 
 void AMDGPUInstPrinter::printOffen(const MCInst *MI, unsigned OpNo,
                                    raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "offen");
void AMDGPUInstPrinter::printMBUFOffset(const MCInst *MI, unsigned OpNo,
                                         raw_ostream &O) {
   if (MI->getOperand(OpNo).getImm()) {
     O << " offset:";
     printU16ImmDecOperand(MI, OpNo, O);
   }
 }
 
 void AMDGPUInstPrinter::printOffset(const MCInst *MI, unsigned OpNo,
-                                      raw_ostream &O) {
+                                    const MCSubtargetInfo &STI,
   uint16_t Imm = MI->getOperand(OpNo).getImm();
   if (Imm != 0) {
     O << " offset:";
     printU16ImmDecOperand(MI, OpNo, O);
   }
 }
 
 void AMDGPUInstPrinter::printOffset0(const MCInst *MI, unsigned OpNo,
-                                        raw_ostream &O) {
+                                     const MCSubtargetInfo &STI,
   if (MI->getOperand(OpNo).getImm()) {
     O << " offset0:";
     printU8ImmDecOperand(MI, OpNo, O);
   }
 }
 
 void AMDGPUInstPrinter::printOffset1(const MCInst *MI, unsigned OpNo,
-                                        raw_ostream &O) {
+                                     const MCSubtargetInfo &STI,
   if (MI->getOperand(OpNo).getImm()) {
     O << " offset1:";
     printU8ImmDecOperand(MI, OpNo, O);
   }
 }
 
 void AMDGPUInstPrinter::printSMRDOffset(const MCInst *MI, unsigned OpNo,
+                                        const MCSubtargetInfo &STI,
                                         raw_ostream &O) {
-  printU32ImmOperand(MI, OpNo, O);
+  printU32ImmOperand(MI, OpNo, STI, O);
 }
 
 void AMDGPUInstPrinter::printSMRDLiteralOffset(const MCInst *MI, unsigned OpNo,
+                                               const MCSubtargetInfo &STI,
                                                raw_ostream &O) {
-  printU32ImmOperand(MI, OpNo, O);
+  printU32ImmOperand(MI, OpNo, STI, O);
 }
 
 void AMDGPUInstPrinter::printGDS(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "gds");
 }
 
 void AMDGPUInstPrinter::printGLC(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "glc");
 }
 
 void AMDGPUInstPrinter::printSLC(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "slc");
 }
 
 void AMDGPUInstPrinter::printTFE(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "tfe");
 }
 
 void AMDGPUInstPrinter::printDMask(const MCInst *MI, unsigned OpNo,
-                                   raw_ostream &O) {
+                                   const MCSubtargetInfo &STI, raw_ostream &O) {
   if (MI->getOperand(OpNo).getImm()) {
     O << " dmask:";
-    printU16ImmOperand(MI, OpNo, O);
+    printU16ImmOperand(MI, OpNo, STI, O);
   }
 }
 
 void AMDGPUInstPrinter::printUNorm(const MCInst *MI, unsigned OpNo,
-                                   raw_ostream &O) {
+                                   const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "unorm");
 }
 
 void AMDGPUInstPrinter::printDA(const MCInst *MI, unsigned OpNo,
-                                raw_ostream &O) {
+                                const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "da");
 }
 
 void AMDGPUInstPrinter::printR128(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O) {
+                                  const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "r128");
 }
 
 void AMDGPUInstPrinter::printLWE(const MCInst *MI, unsigned OpNo,
-                                   raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printNamedBit(MI, OpNo, O, "lwe");
 }
 
-void AMDGPUInstPrinter::printRegOperand(unsigned reg, raw_ostream &O,
+void AMDGPUInstPrinter::printRegOperand(unsigned RegNo, raw_ostream &O,
                                         const MCRegisterInfo &MRI) {
-  switch (reg) {
+  switch (RegNo) {
   case AMDGPU::VCC:
     O << "vcc";
     return;
   case AMDGPU::SCC:
     O << "scc";
     return;
   case AMDGPU::EXEC:
     O << "exec";
case AMDGPU::FLAT_SCR_HI:
     O << "flat_scratch_hi";
     return;
   default:
     break;
   }
 
   // The low 8 bits of the encoding value is the register index, for both VGPRs
   // and SGPRs.
-  unsigned RegIdx = MRI.getEncodingValue(reg) & ((1 << 8) - 1);
+  unsigned RegIdx = MRI.getEncodingValue(RegNo) & ((1 << 8) - 1);
 
   unsigned NumRegs;
-  if (MRI.getRegClass(AMDGPU::VGPR_32RegClassID).contains(reg)) {
+  if (MRI.getRegClass(AMDGPU::VGPR_32RegClassID).contains(RegNo)) {
     O << 'v';
     NumRegs = 1;
-  } else  if (MRI.getRegClass(AMDGPU::SGPR_32RegClassID).contains(reg)) {
+  } else  if (MRI.getRegClass(AMDGPU::SGPR_32RegClassID).contains(RegNo)) {
     O << 's';
     NumRegs = 1;
-  } else if (MRI.getRegClass(AMDGPU::VReg_64RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::VReg_64RegClassID).contains(RegNo)) {
     O <<'v';
     NumRegs = 2;
-  } else  if (MRI.getRegClass(AMDGPU::SGPR_64RegClassID).contains(reg)) {
+  } else  if (MRI.getRegClass(AMDGPU::SGPR_64RegClassID).contains(RegNo)) {
     O << 's';
     NumRegs = 2;
-  } else if (MRI.getRegClass(AMDGPU::VReg_128RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::VReg_128RegClassID).contains(RegNo)) {
     O << 'v';
     NumRegs = 4;
-  } else  if (MRI.getRegClass(AMDGPU::SGPR_128RegClassID).contains(reg)) {
+  } else  if (MRI.getRegClass(AMDGPU::SGPR_128RegClassID).contains(RegNo)) {
     O << 's';
     NumRegs = 4;
-  } else if (MRI.getRegClass(AMDGPU::VReg_96RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::VReg_96RegClassID).contains(RegNo)) {
     O << 'v';
     NumRegs = 3;
-  } else if (MRI.getRegClass(AMDGPU::VReg_256RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::VReg_256RegClassID).contains(RegNo)) {
     O << 'v';
     NumRegs = 8;
-  } else if (MRI.getRegClass(AMDGPU::SReg_256RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::SReg_256RegClassID).contains(RegNo)) {
     O << 's';
     NumRegs = 8;
-  } else if (MRI.getRegClass(AMDGPU::VReg_512RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::VReg_512RegClassID).contains(RegNo)) {
     O << 'v';
     NumRegs = 16;
-  } else if (MRI.getRegClass(AMDGPU::SReg_512RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::SReg_512RegClassID).contains(RegNo)) {
     O << 's';
     NumRegs = 16;
-  } else if (MRI.getRegClass(AMDGPU::TTMP_64RegClassID).contains(reg)) {
+  } else if (MRI.getRegClass(AMDGPU::TTMP_64RegClassID).contains(RegNo)) {
     O << "ttmp";
     NumRegs = 2;
-    RegIdx -= 112; // Trap temps start at offset 112. TODO: Get this from tablegen.
-  } else if (MRI.getRegClass(AMDGPU::TTMP_128RegClassID).contains(reg)) {
+    // Trap temps start at offset 112. TODO: Get this from tablegen.
+    RegIdx -= 112;
+  } else if (MRI.getRegClass(AMDGPU::TTMP_128RegClassID).contains(RegNo)) {
     O << "ttmp";
     NumRegs = 4;
-    RegIdx -= 112; // Trap temps start at offset 112. TODO: Get this from tablegen.
+    // Trap temps start at offset 112. TODO: Get this from tablegen.
+    RegIdx -= 112;
   } else {
-    O << getRegisterName(reg);
+    O << getRegisterName(RegNo);
     return;
   }
 
   if (NumRegs == 1) {
     O << RegIdx;
     return;
   }
 
   O << '[' << RegIdx << ':' << (RegIdx + NumRegs - 1) << ']';
 }
 
 void AMDGPUInstPrinter::printVOPDst(const MCInst *MI, unsigned OpNo,
-                                    raw_ostream &O) {
+                                    const MCSubtargetInfo &STI, raw_ostream &O) {
   if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::VOP3)
     O << "_e64 ";
   else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::DPP)
     O << "_dpp ";
   else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::SDWA)
     O << "_sdwa ";
   else
     O << "_e32 ";
 
-  printOperand(MI, OpNo, O);
+  printOperand(MI, OpNo, STI, O);
 }
 
 void AMDGPUInstPrinter::printImmediate32(uint32_t Imm, raw_ostream &O) {
   int32_t SImm = static_cast<int32_t>(Imm);
   if (SImm >= -16 && SImm <= 64) {
     O << SImm;
     return;
   }
else {
 
     // In rare situations, we will have a 32-bit literal in a 64-bit
     // operand. This is technically allowed for the encoding of s_mov_b64.
     O << formatHex(static_cast<uint64_t>(Imm));
   }
 }
 
 void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
+                                     const MCSubtargetInfo &STI,
                                      raw_ostream &O) {
 
   if (OpNo >= MI->getNumOperands()) {
     O << "/*Missing OP" << OpNo << "*/";
     return;
   }
 
   const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isReg()) {
     const MCExpr *Exp = Op.getExpr();
     Exp->print(O, &MAI);
   } else {
     O << "/*INV_OP*/";
   }
 }
 
 void AMDGPUInstPrinter::printOperandAndFPInputMods(const MCInst *MI,
-                                                      unsigned OpNo,
-                                                      raw_ostream &O) {
+                                                   const MCSubtargetInfo &STI,
   unsigned InputModifiers = MI->getOperand(OpNo).getImm();
   if (InputModifiers & SISrcMods::NEG)
     O << '-';
   if (InputModifiers & SISrcMods::ABS)
     O << '|';
-  printOperand(MI, OpNo + 1, O);
+  printOperand(MI, OpNo + 1, STI, O);
   if (InputModifiers & SISrcMods::ABS)
     O << '|';
 }
 
 void AMDGPUInstPrinter::printOperandAndIntInputMods(const MCInst *MI,
-                                                     unsigned OpNo,
-                                                     raw_ostream &O) {
+                                                    const MCSubtargetInfo &STI,
   unsigned InputModifiers = MI->getOperand(OpNo).getImm();
   if (InputModifiers & SISrcMods::SEXT)
     O << "sext(";
-  printOperand(MI, OpNo + 1, O);
+  printOperand(MI, OpNo + 1, STI, O);
   if (InputModifiers & SISrcMods::SEXT)
     O << ')';
 }
 
-
 void AMDGPUInstPrinter::printDPPCtrl(const MCInst *MI, unsigned OpNo,
-                                             raw_ostream &O) {
+                                     const MCSubtargetInfo &STI,
   unsigned Imm = MI->getOperand(OpNo).getImm();
   if (Imm <= 0x0ff) {
     O << " quad_perm:[";
     O << formatDec(Imm & 0x3)         << ',';
     O << formatDec((Imm & 0xc)  >> 2) << ',';
     O << formatDec((Imm & 0x30) >> 4) << ',';
     O << formatDec((Imm & 0xc0) >> 6) << ']';
   } else if ((Imm >= 0x101) && (Imm <= 0x10f)) {
void AMDGPUInstPrinter::printDPPCtrl(const MCInst *MI, unsigned OpNo,
   } else if (Imm == 0x143) {
     O << " row_bcast:31";
   } else {
     llvm_unreachable("Invalid dpp_ctrl value");
   }
 }
 
 void AMDGPUInstPrinter::printRowMask(const MCInst *MI, unsigned OpNo,
-                                            raw_ostream &O) {
+                                     const MCSubtargetInfo &STI,
   O << " row_mask:";
   printU4ImmOperand(MI, OpNo, O);
 }
 
 void AMDGPUInstPrinter::printBankMask(const MCInst *MI, unsigned OpNo,
-                                             raw_ostream &O) {
+                                      const MCSubtargetInfo &STI,
   O << " bank_mask:";
   printU4ImmOperand(MI, OpNo, O);
 }
 
 void AMDGPUInstPrinter::printBoundCtrl(const MCInst *MI, unsigned OpNo,
-                                              raw_ostream &O) {
+                                       const MCSubtargetInfo &STI,
   unsigned Imm = MI->getOperand(OpNo).getImm();
   if (Imm) {
     O << " bound_ctrl:0"; // XXX - this syntax is used in sp3
   }
 }
 
 void AMDGPUInstPrinter::printSDWASel(const MCInst *MI, unsigned OpNo,
                                      raw_ostream &O) {
   unsigned Imm = MI->getOperand(OpNo).getImm();
   switch (Imm) {
   case 0: O << "BYTE_0"; break;
   case 1: O << "BYTE_1"; break;
   case 2: O << "BYTE_2"; break;
   case 3: O << "BYTE_3"; break;
   case 4: O << "WORD_0"; break;
   case 5: O << "WORD_1"; break;
   case 6: O << "DWORD"; break;
   default: llvm_unreachable("Invalid SDWA data select operand");
   }
 }
 
 void AMDGPUInstPrinter::printSDWADstSel(const MCInst *MI, unsigned OpNo,
+                                        const MCSubtargetInfo &STI,
                                         raw_ostream &O) {
   O << "dst_sel:";
   printSDWASel(MI, OpNo, O);
 }
 
 void AMDGPUInstPrinter::printSDWASrc0Sel(const MCInst *MI, unsigned OpNo,
+                                         const MCSubtargetInfo &STI,
                                          raw_ostream &O) {
   O << "src0_sel:";
   printSDWASel(MI, OpNo, O);
 }
 
 void AMDGPUInstPrinter::printSDWASrc1Sel(const MCInst *MI, unsigned OpNo,
+                                         const MCSubtargetInfo &STI,
                                          raw_ostream &O) {
   O << "src1_sel:";
   printSDWASel(MI, OpNo, O);
 }
 
 void AMDGPUInstPrinter::printSDWADstUnused(const MCInst *MI, unsigned OpNo,
+                                           const MCSubtargetInfo &STI,
                                            raw_ostream &O) {
   O << "dst_unused:";
   unsigned Imm = MI->getOperand(OpNo).getImm();
   switch (Imm) {
   case 0: O << "UNUSED_PAD"; break;
   case 1: O << "UNUSED_SEXT"; break;
   case 2: O << "UNUSED_PRESERVE"; break;
   default: llvm_unreachable("Invalid SDWA dest_unused operand");
   }
 }
 
-void AMDGPUInstPrinter::printInterpSlot(const MCInst *MI, unsigned OpNum,
+void AMDGPUInstPrinter::printInterpSlot(const MCInst *MI, unsigned OpNo,
+                                        const MCSubtargetInfo &STI,
                                         raw_ostream &O) {
-  unsigned Imm = MI->getOperand(OpNum).getImm();
+  unsigned Imm = MI->getOperand(OpNo).getImm();
 
   if (Imm == 2) {
     O << "P0";
   } else if (Imm == 1) {
     O << "P20";
   } else if (Imm == 0) {
     O << "P10";
   } else {
     llvm_unreachable("Invalid interpolation parameter slot");
   }
 }
 
 void AMDGPUInstPrinter::printMemOperand(const MCInst *MI, unsigned OpNo,
+                                        const MCSubtargetInfo &STI,
                                         raw_ostream &O) {
-  printOperand(MI, OpNo, O);
+  printOperand(MI, OpNo, STI, O);
   O  << ", ";
-  printOperand(MI, OpNo + 1, O);
+  printOperand(MI, OpNo + 1, STI, O);
 }
 
 void AMDGPUInstPrinter::printIfSet(const MCInst *MI, unsigned OpNo,
                                    raw_ostream &O, StringRef Asm,
                                    StringRef Default) {
   const MCOperand &Op = MI->getOperand(OpNo);
   assert(Op.isImm());
   if (Op.getImm() == 1) {
     O << Asm;
   } else {
     O << Default;
   }
 }
 
 void AMDGPUInstPrinter::printIfSet(const MCInst *MI, unsigned OpNo,
                                    raw_ostream &O, char Asm) {
   const MCOperand &Op = MI->getOperand(OpNo);
   assert(Op.isImm());
   if (Op.getImm() == 1)
     O << Asm;
 }
 
 void AMDGPUInstPrinter::printAbs(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printIfSet(MI, OpNo, O, '|');
 }
 
 void AMDGPUInstPrinter::printClamp(const MCInst *MI, unsigned OpNo,
-                                   raw_ostream &O) {
+                                   const MCSubtargetInfo &STI, raw_ostream &O) {
   printIfSet(MI, OpNo, O, "_SAT");
 }
 
 void AMDGPUInstPrinter::printClampSI(const MCInst *MI, unsigned OpNo,
+                                     const MCSubtargetInfo &STI,
                                      raw_ostream &O) {
   if (MI->getOperand(OpNo).getImm())
     O << " clamp";
 }
 
 void AMDGPUInstPrinter::printOModSI(const MCInst *MI, unsigned OpNo,
-                                     raw_ostream &O) {
+                                    const MCSubtargetInfo &STI,
   int Imm = MI->getOperand(OpNo).getImm();
   if (Imm == SIOutMods::MUL2)
     O << " mul:2";
   else if (Imm == SIOutMods::MUL4)
     O << " mul:4";
   else if (Imm == SIOutMods::DIV2)
     O << " div:2";
 }
 
 void AMDGPUInstPrinter::printLiteral(const MCInst *MI, unsigned OpNo,
+                                     const MCSubtargetInfo &STI,
                                      raw_ostream &O) {
   const MCOperand &Op = MI->getOperand(OpNo);
   assert(Op.isImm() || Op.isExpr());
   if (Op.isImm()) {
     int64_t Imm = Op.getImm();
     O << Imm << '(' << BitsToFloat(Imm) << ')';
   }
   if (Op.isExpr()) {
     Op.getExpr()->print(O << '@', &MAI);
   }
 }
 
 void AMDGPUInstPrinter::printLast(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O) {
+                                  const MCSubtargetInfo &STI, raw_ostream &O) {
   printIfSet(MI, OpNo, O, "*", " ");
 }
 
 void AMDGPUInstPrinter::printNeg(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printIfSet(MI, OpNo, O, '-');
 }
 
 void AMDGPUInstPrinter::printOMOD(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O) {
+                                  const MCSubtargetInfo &STI, raw_ostream &O) {
   switch (MI->getOperand(OpNo).getImm()) {
   default: break;
   case 1:
     O << " * 2.0";
     break;
   case 2:
     O << " * 4.0";
     break;
   case 3:
     O << " / 2.0";
     break;
   }
 }
 
 void AMDGPUInstPrinter::printRel(const MCInst *MI, unsigned OpNo,
-                                 raw_ostream &O) {
+                                 const MCSubtargetInfo &STI, raw_ostream &O) {
   printIfSet(MI, OpNo, O, '+');
 }
 
 void AMDGPUInstPrinter::printUpdateExecMask(const MCInst *MI, unsigned OpNo,
+                                            const MCSubtargetInfo &STI,
                                             raw_ostream &O) {
   printIfSet(MI, OpNo, O, "ExecMask,");
 }
 
 void AMDGPUInstPrinter::printUpdatePred(const MCInst *MI, unsigned OpNo,
+                                        const MCSubtargetInfo &STI,
                                         raw_ostream &O) {
   printIfSet(MI, OpNo, O, "Pred,");
 }
 
 void AMDGPUInstPrinter::printWrite(const MCInst *MI, unsigned OpNo,
-                                       raw_ostream &O) {
+                                   const MCSubtargetInfo &STI, raw_ostream &O) {
   const MCOperand &Op = MI->getOperand(OpNo);
   if (Op.getImm() == 0) {
     O << " (MASKED)";
   }
 }
 
 void AMDGPUInstPrinter::printSel(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O) {
   const char * chans = "XYZW";
   int sel = MI->getOperand(OpNo).getImm();
 
   int chan = sel & 3;
   sel >>= 2;
 
   if (sel >= 512) {
     sel -= 512;
     int cb = sel >> 12;
     sel &= 4095;
     O << cb << '[' << sel << ']';
   } else if (sel >= 448) {
     sel -= 448;
     O << sel;
   } else if (sel >= 0){
     O << sel;
   }
 
   if (sel >= 0)
     O << '.' << chans[chan];
 }
 
 void AMDGPUInstPrinter::printBankSwizzle(const MCInst *MI, unsigned OpNo,
+                                         const MCSubtargetInfo &STI,
                                          raw_ostream &O) {
   int BankSwizzle = MI->getOperand(OpNo).getImm();
   switch (BankSwizzle) {
   case 1:
     O << "BS:VEC_021/SCL_122";
     break;
   case 2:
     O << "BS:VEC_120/SCL_212";
case 5:
     break;
   default:
     break;
   }
   return;
 }
 
 void AMDGPUInstPrinter::printRSel(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O) {
+                                  const MCSubtargetInfo &STI, raw_ostream &O) {
   unsigned Sel = MI->getOperand(OpNo).getImm();
   switch (Sel) {
   case 0:
     O << 'X';
     break;
   case 1:
     O << 'Y';
     break;
case 7:
     O << '_';
     break;
   default:
     break;
   }
 }
 
 void AMDGPUInstPrinter::printCT(const MCInst *MI, unsigned OpNo,
-                                  raw_ostream &O) {
+                                const MCSubtargetInfo &STI, raw_ostream &O) {
   unsigned CT = MI->getOperand(OpNo).getImm();
   switch (CT) {
   case 0:
     O << 'U';
     break;
   case 1:
     O << 'N';
     break;
   default:
     break;
   }
 }
 
 void AMDGPUInstPrinter::printKCache(const MCInst *MI, unsigned OpNo,
-                                    raw_ostream &O) {
+                                    const MCSubtargetInfo &STI, raw_ostream &O) {
   int KCacheMode = MI->getOperand(OpNo).getImm();
   if (KCacheMode > 0) {
     int KCacheBank = MI->getOperand(OpNo - 2).getImm();
     O << "CB" << KCacheBank << ':';
     int KCacheAddr = MI->getOperand(OpNo + 2).getImm();
     int LineSize = (KCacheMode == 1) ? 16 : 32;
     O << KCacheAddr * 16 << '-' << KCacheAddr * 16 + LineSize;
   }
 }
 
 void AMDGPUInstPrinter::printSendMsg(const MCInst *MI, unsigned OpNo,
+                                     const MCSubtargetInfo &STI,
                                      raw_ostream &O) {
   using namespace llvm::AMDGPU::SendMsg;
 
   const unsigned SImm16 = MI->getOperand(OpNo).getImm();
   const unsigned Id = SImm16 & ID_MASK_;
   do {
     if (Id == ID_INTERRUPT) {
       if ((SImm16 & ~ID_MASK_) != 0) // Unused/unknown bits must be 0.
if (Id == ID_SYSMSG) {
       O << "sendmsg(" << IdSymbolic[Id] << ", " << OpSysSymbolic[OpSys] << ')';
       return;
     }
   } while (0);
   O << SImm16; // Unknown simm16 code.
 }
 
 void AMDGPUInstPrinter::printWaitFlag(const MCInst *MI, unsigned OpNo,
+                                      const MCSubtargetInfo &STI,
                                       raw_ostream &O) {
   unsigned SImm16 = MI->getOperand(OpNo).getImm();
   unsigned Vmcnt = SImm16 & 0xF;
   unsigned Expcnt = (SImm16 >> 4) & 0x7;
   unsigned Lgkmcnt = (SImm16 >> 8) & 0xF;
 
   bool NeedSpace = false;
 
void AMDGPUInstPrinter::printWaitFlag(const MCInst *MI, unsigned OpNo,
   if (Lgkmcnt != 0xF) {
     if (NeedSpace)
       O << ' ';
     O << "lgkmcnt(" << Lgkmcnt << ')';
   }
 }
 
 void AMDGPUInstPrinter::printHwreg(const MCInst *MI, unsigned OpNo,
-                                   raw_ostream &O) {
+                                   const MCSubtargetInfo &STI, raw_ostream &O) {
   using namespace llvm::AMDGPU::Hwreg;
 
   unsigned SImm16 = MI->getOperand(OpNo).getImm();
   const unsigned Id = (SImm16 & ID_MASK_) >> ID_SHIFT_;
   const unsigned Offset = (SImm16 & OFFSET_MASK_) >> OFFSET_SHIFT_;
   const unsigned Width = ((SImm16 & WIDTH_M1_MASK_) >> WIDTH_M1_SHIFT_) + 1;
 
   O << "hwreg(";