llvm/lib/Target/SystemZ/SystemZTargetStreamer.h

   1 //=- SystemZTargetStreamer.h - SystemZ Target Streamer ----------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H
  10 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H
  11
  12 #include "llvm/ADT/StringRef.h"
  13 #include "llvm/MC/MCInst.h"
  14 #include "llvm/MC/MCStreamer.h"
  15 #include <map>
  16 #include <utility>
  17
  18 namespace llvm {
  19
  20 class SystemZTargetStreamer : public MCTargetStreamer {
  21 public:
  22   SystemZTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
  23
  24   typedef std::pair<MCInst, const MCSubtargetInfo *> MCInstSTIPair;
  25   struct CmpMCInst {
  26     bool operator()(const MCInstSTIPair &MCI_STI_A,
  27                     const MCInstSTIPair &MCI_STI_B) const {
  28       if (MCI_STI_A.second != MCI_STI_B.second)
  29         return uintptr_t(MCI_STI_A.second) < uintptr_t(MCI_STI_B.second);
  30       const MCInst &A = MCI_STI_A.first;
  31       const MCInst &B = MCI_STI_B.first;
  32       assert(A.getNumOperands() == B.getNumOperands() &&
  33              A.getNumOperands() == 5 && A.getOperand(2).getImm() == 1 &&
  34              B.getOperand(2).getImm() == 1 && "Unexpected EXRL target MCInst");
  35       if (A.getOpcode() != B.getOpcode())
  36         return A.getOpcode() < B.getOpcode();
  37       if (A.getOperand(0).getReg() != B.getOperand(0).getReg())
  38         return A.getOperand(0).getReg() < B.getOperand(0).getReg();
  39       if (A.getOperand(1).getImm() != B.getOperand(1).getImm())
  40         return A.getOperand(1).getImm() < B.getOperand(1).getImm();
  41       if (A.getOperand(3).getReg() != B.getOperand(3).getReg())
  42         return A.getOperand(3).getReg() < B.getOperand(3).getReg();
  43       if (A.getOperand(4).getImm() != B.getOperand(4).getImm())
  44         return A.getOperand(4).getImm() < B.getOperand(4).getImm();
  45       return false;
  46     }
  47   };
  48   typedef std::map<MCInstSTIPair, MCSymbol *, CmpMCInst> EXRLT2SymMap;
  49   EXRLT2SymMap EXRLTargets2Sym;
  50
  51   void emitConstantPools() override;
  52
  53   virtual void emitMachine(StringRef CPU) {};
  54 };
  55
  56 } // end namespace llvm
  57
  58 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H