forked from OSchip/llvm-project
85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
//===-- SystemZAsmPrinter.h - SystemZ LLVM assembly printer ----*- C++ -*--===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZASMPRINTER_H
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#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZASMPRINTER_H
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#include "SystemZMCInstLower.h"
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#include "SystemZTargetMachine.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/CodeGen/StackMaps.h"
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#include "llvm/MC/MCInstBuilder.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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class MCStreamer;
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class MachineBasicBlock;
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class MachineInstr;
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class Module;
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class raw_ostream;
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class LLVM_LIBRARY_VISIBILITY SystemZAsmPrinter : public AsmPrinter {
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private:
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StackMaps SM;
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typedef std::pair<MCInst, const MCSubtargetInfo *> MCInstSTIPair;
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struct CmpMCInst {
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bool operator()(const MCInstSTIPair &MCI_STI_A,
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const MCInstSTIPair &MCI_STI_B) const {
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if (MCI_STI_A.second != MCI_STI_B.second)
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return uintptr_t(MCI_STI_A.second) < uintptr_t(MCI_STI_B.second);
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const MCInst &A = MCI_STI_A.first;
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const MCInst &B = MCI_STI_B.first;
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assert(A.getNumOperands() == B.getNumOperands() &&
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A.getNumOperands() == 5 && A.getOperand(2).getImm() == 1 &&
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B.getOperand(2).getImm() == 1 && "Unexpected EXRL target MCInst");
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if (A.getOpcode() != B.getOpcode())
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return A.getOpcode() < B.getOpcode();
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if (A.getOperand(0).getReg() != B.getOperand(0).getReg())
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return A.getOperand(0).getReg() < B.getOperand(0).getReg();
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if (A.getOperand(1).getImm() != B.getOperand(1).getImm())
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return A.getOperand(1).getImm() < B.getOperand(1).getImm();
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if (A.getOperand(3).getReg() != B.getOperand(3).getReg())
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return A.getOperand(3).getReg() < B.getOperand(3).getReg();
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if (A.getOperand(4).getImm() != B.getOperand(4).getImm())
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return A.getOperand(4).getImm() < B.getOperand(4).getImm();
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return false;
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}
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};
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typedef std::map<MCInstSTIPair, MCSymbol *, CmpMCInst> EXRLT2SymMap;
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EXRLT2SymMap EXRLTargets2Sym;
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public:
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SystemZAsmPrinter(TargetMachine &TM, std::unique_ptr<MCStreamer> Streamer)
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: AsmPrinter(TM, std::move(Streamer)), SM(*this) {}
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// Override AsmPrinter.
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StringRef getPassName() const override { return "SystemZ Assembly Printer"; }
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void emitInstruction(const MachineInstr *MI) override;
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void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
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void emitEndOfAsmFile(Module &M) override;
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bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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const char *ExtraCode, raw_ostream &OS) override;
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bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
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const char *ExtraCode, raw_ostream &OS) override;
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bool doInitialization(Module &M) override {
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SM.reset();
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return AsmPrinter::doInitialization(M);
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}
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private:
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void LowerFENTRY_CALL(const MachineInstr &MI, SystemZMCInstLower &MCIL);
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void LowerSTACKMAP(const MachineInstr &MI);
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void LowerPATCHPOINT(const MachineInstr &MI, SystemZMCInstLower &Lower);
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void emitEXRLTargetInstructions();
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};
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} // end namespace llvm
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#endif
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