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//===- HexagonAsmPrinter.h - Print machine code to an Hexagon .s file -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Hexagon Assembly printer class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
#define LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
#include "HexagonSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/MC/MCStreamer.h"
#include <utility>
namespace llvm {
class MachineInstr;
class MCInst;
class raw_ostream;
class TargetMachine;
class HexagonAsmPrinter : public AsmPrinter {
const HexagonSubtarget *Subtarget = nullptr;
public:
explicit HexagonAsmPrinter(TargetMachine &TM,
std::unique_ptr<MCStreamer> Streamer)
: AsmPrinter(TM, std::move(Streamer)) {}
bool runOnMachineFunction(MachineFunction &Fn) override {
Subtarget = &Fn.getSubtarget<HexagonSubtarget>();
const bool Modified = AsmPrinter::runOnMachineFunction(Fn);
// Emit the XRay table for this function.
emitXRayTable();
return Modified;
}
StringRef getPassName() const override {
return "Hexagon Assembly Printer";
}
bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB)
const override;
void emitInstruction(const MachineInstr *MI) override;
//===------------------------------------------------------------------===//
// XRay implementation
//===------------------------------------------------------------------===//
// XRay-specific lowering for Hexagon.
void LowerPATCHABLE_FUNCTION_ENTER(const MachineInstr &MI);
void LowerPATCHABLE_FUNCTION_EXIT(const MachineInstr &MI);
void LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI);
void EmitSled(const MachineInstr &MI, SledKind Kind);
void HexagonProcessInstruction(MCInst &Inst, const MachineInstr &MBB);
void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
const char *ExtraCode, raw_ostream &OS) override;
bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
const char *ExtraCode, raw_ostream &OS) override;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
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