Changeset View
Changeset View
Standalone View
Standalone View
llvm/trunk/lib/Target/RISCV/RISCVAsmPrinter.cpp
//===-- RISCVAsmPrinter.cpp - RISCV LLVM assembly writer ------------------===// | |||||
// | |||||
// The LLVM Compiler Infrastructure | |||||
// | |||||
// This file is distributed under the University of Illinois Open Source | |||||
// License. See LICENSE.TXT for details. | |||||
// | |||||
//===----------------------------------------------------------------------===// | |||||
// | |||||
// This file contains a printer that converts from our internal representation | |||||
// of machine-dependent LLVM code to the RISCV assembly language. | |||||
// | |||||
//===----------------------------------------------------------------------===// | |||||
#include "RISCV.h" | |||||
#include "InstPrinter/RISCVInstPrinter.h" | |||||
#include "RISCVTargetMachine.h" | |||||
#include "llvm/CodeGen/AsmPrinter.h" | |||||
#include "llvm/CodeGen/MachineConstantPool.h" | |||||
#include "llvm/CodeGen/MachineFunctionPass.h" | |||||
#include "llvm/CodeGen/MachineInstr.h" | |||||
#include "llvm/CodeGen/MachineModuleInfo.h" | |||||
#include "llvm/MC/MCAsmInfo.h" | |||||
#include "llvm/MC/MCInst.h" | |||||
#include "llvm/MC/MCStreamer.h" | |||||
#include "llvm/MC/MCSymbol.h" | |||||
#include "llvm/Support/TargetRegistry.h" | |||||
#include "llvm/Support/raw_ostream.h" | |||||
using namespace llvm; | |||||
#define DEBUG_TYPE "asm-printer" | |||||
namespace { | |||||
class RISCVAsmPrinter : public AsmPrinter { | |||||
public: | |||||
explicit RISCVAsmPrinter(TargetMachine &TM, | |||||
std::unique_ptr<MCStreamer> Streamer) | |||||
: AsmPrinter(TM, std::move(Streamer)) {} | |||||
StringRef getPassName() const override { return "RISCV Assembly Printer"; } | |||||
void EmitInstruction(const MachineInstr *MI) override; | |||||
bool emitPseudoExpansionLowering(MCStreamer &OutStreamer, | |||||
const MachineInstr *MI); | |||||
}; | |||||
} | |||||
// Simple pseudo-instructions have their lowering (with expansion to real | |||||
// instructions) auto-generated. | |||||
#include "RISCVGenMCPseudoLowering.inc" | |||||
void RISCVAsmPrinter::EmitInstruction(const MachineInstr *MI) { | |||||
// Do any auto-generated pseudo lowerings. | |||||
if (emitPseudoExpansionLowering(*OutStreamer, MI)) | |||||
return; | |||||
MCInst TmpInst; | |||||
LowerRISCVMachineInstrToMCInst(MI, TmpInst); | |||||
EmitToStreamer(*OutStreamer, TmpInst); | |||||
} | |||||
// Force static initialization. | |||||
extern "C" void LLVMInitializeRISCVAsmPrinter() { | |||||
RegisterAsmPrinter<RISCVAsmPrinter> X(getTheRISCV32Target()); | |||||
RegisterAsmPrinter<RISCVAsmPrinter> Y(getTheRISCV64Target()); | |||||
} |