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
18namespace llvm {
19
20class SystemZTargetStreamer : public MCTargetStreamer {
21public:
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(i: 0).getReg() != B.getOperand(i: 0).getReg())
38 return A.getOperand(i: 0).getReg() < B.getOperand(i: 0).getReg();
39 if (A.getOperand(i: 1).getImm() != B.getOperand(i: 1).getImm())
40 return A.getOperand(i: 1).getImm() < B.getOperand(i: 1).getImm();
41 if (A.getOperand(i: 3).getReg() != B.getOperand(i: 3).getReg())
42 return A.getOperand(i: 3).getReg() < B.getOperand(i: 3).getReg();
43 if (A.getOperand(i: 4).getImm() != B.getOperand(i: 4).getImm())
44 return A.getOperand(i: 4).getImm() < B.getOperand(i: 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
59