VEAsmPrinter.cpp
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//===-- VEAsmPrinter.cpp - VE LLVM assembly writer ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file contains a printer that converts from our internal representation
// of machine-dependent LLVM code to GAS-format VE assembly language.
//
//===----------------------------------------------------------------------===//
#include "InstPrinter/VEInstPrinter.h"
#include "MCTargetDesc/VETargetStreamer.h"
#include "VE.h"
#include "VEInstrInfo.h"
#include "VETargetMachine.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/IR/Mangler.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstBuilder.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 "ve-asmprinter"
namespace {
class VEAsmPrinter : public AsmPrinter {
VETargetStreamer &getTargetStreamer() {
return static_cast<VETargetStreamer &>(*OutStreamer->getTargetStreamer());
}
public:
explicit VEAsmPrinter(TargetMachine &TM, std::unique_ptr<MCStreamer> Streamer)
: AsmPrinter(TM, std::move(Streamer)) {}
StringRef getPassName() const override { return "VE Assembly Printer"; }
void EmitInstruction(const MachineInstr *MI) override;
static const char *getRegisterName(unsigned RegNo) {
return VEInstPrinter::getRegisterName(RegNo);
}
};
} // end of anonymous namespace
void VEAsmPrinter::EmitInstruction(const MachineInstr *MI) {
switch (MI->getOpcode()) {
default:
break;
case TargetOpcode::DBG_VALUE:
// FIXME: Debug Value.
return;
}
MachineBasicBlock::const_instr_iterator I = MI->getIterator();
MachineBasicBlock::const_instr_iterator E = MI->getParent()->instr_end();
do {
MCInst TmpInst;
LowerVEMachineInstrToMCInst(&*I, TmpInst, *this);
EmitToStreamer(*OutStreamer, TmpInst);
} while ((++I != E) && I->isInsideBundle()); // Delay slot check.
}
// Force static initialization.
extern "C" void LLVMInitializeVEAsmPrinter() {
RegisterAsmPrinter<VEAsmPrinter> X(getTheVETarget());
}