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//===- ARCAsmPrinter.cpp - ARC LLVM assembly writer -------------*- C++ -*-===//
//
// 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 GNU format ARC assembly language.
//
//===----------------------------------------------------------------------===//
#include "ARC.h"
#include "ARCInstrInfo.h"
#include "ARCMCInstLower.h"
#include "ARCSubtarget.h"
#include "ARCTargetMachine.h"
#include "ARCTargetStreamer.h"
#include "InstPrinter/ARCInstPrinter.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/TargetLoweringObjectFile.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbolELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
using namespace llvm;
#define DEBUG_TYPE "asm-printer"
namespace {
class ARCAsmPrinter : public AsmPrinter {
ARCMCInstLower MCInstLowering;
ARCTargetStreamer &getTargetStreamer();
public:
explicit ARCAsmPrinter(TargetMachine &TM,
std::unique_ptr<MCStreamer> Streamer)
: AsmPrinter(TM, std::move(Streamer)),
MCInstLowering(&OutContext, *this) {}
StringRef getPassName() const override { return "ARC Assembly Printer"; }
void EmitInstruction(const MachineInstr *MI) override;
};
} // end anonymous namespace
ARCTargetStreamer &ARCAsmPrinter::getTargetStreamer() {
return static_cast<ARCTargetStreamer &>(*OutStreamer->getTargetStreamer());
}
void ARCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
SmallString<128> Str;
raw_svector_ostream O(Str);
switch (MI->getOpcode()) {
case ARC::DBG_VALUE:
llvm_unreachable("Should be handled target independently");
break;
}
MCInst TmpInst;
MCInstLowering.Lower(MI, TmpInst);
EmitToStreamer(*OutStreamer, TmpInst);
}
// Force static initialization.
extern "C" void LLVMInitializeARCAsmPrinter() {
RegisterAsmPrinter<ARCAsmPrinter> X(getTheARCTarget());
}
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