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 
16 namespace llvm {
17 
18 class SystemZTargetStreamer : public MCTargetStreamer {
19 public:
20   SystemZTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
21 
22   typedef std::pair<MCInst, const MCSubtargetInfo *> MCInstSTIPair;
23   struct CmpMCInst {
24     bool operator()(const MCInstSTIPair &MCI_STI_A,
25                     const MCInstSTIPair &MCI_STI_B) const {
26       if (MCI_STI_A.second != MCI_STI_B.second)
27         return uintptr_t(MCI_STI_A.second) < uintptr_t(MCI_STI_B.second);
28       const MCInst &A = MCI_STI_A.first;
29       const MCInst &B = MCI_STI_B.first;
30       assert(A.getNumOperands() == B.getNumOperands() &&
31              A.getNumOperands() == 5 && A.getOperand(2).getImm() == 1 &&
32              B.getOperand(2).getImm() == 1 && "Unexpected EXRL target MCInst");
33       if (A.getOpcode() != B.getOpcode())
34         return A.getOpcode() < B.getOpcode();
35       if (A.getOperand(0).getReg() != B.getOperand(0).getReg())
36         return A.getOperand(0).getReg() < B.getOperand(0).getReg();
37       if (A.getOperand(1).getImm() != B.getOperand(1).getImm())
38         return A.getOperand(1).getImm() < B.getOperand(1).getImm();
39       if (A.getOperand(3).getReg() != B.getOperand(3).getReg())
40         return A.getOperand(3).getReg() < B.getOperand(3).getReg();
41       if (A.getOperand(4).getImm() != B.getOperand(4).getImm())
42         return A.getOperand(4).getImm() < B.getOperand(4).getImm();
43       return false;
44     }
45   };
46   typedef std::map<MCInstSTIPair, MCSymbol *, CmpMCInst> EXRLT2SymMap;
47   EXRLT2SymMap EXRLTargets2Sym;
48 
49   void emitConstantPools() override;
50 
51   virtual void emitMachine(StringRef CPU) {};
52 };
53 
54 } // end namespace llvm
55 
56 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H
57