mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-31 12:30:06 +00:00
it has before/end body hooks. lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp | 49 ++----------- lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp | 87 ++++++------------------ lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp | 56 +++------------ test/CodeGen/XCore/ashr.ll | 2 4 files changed, 48 insertions(+), 146 deletions(-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94741 91177308-0d34-0410-b5e6-96231b3b80d8
167 lines
5.3 KiB
C++
167 lines
5.3 KiB
C++
//===-- AlphaAsmPrinter.cpp - Alpha 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 GAS-format Alpha assembly language.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#define DEBUG_TYPE "asm-printer"
|
|
#include "Alpha.h"
|
|
#include "AlphaInstrInfo.h"
|
|
#include "AlphaTargetMachine.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/Type.h"
|
|
#include "llvm/Assembly/Writer.h"
|
|
#include "llvm/CodeGen/AsmPrinter.h"
|
|
#include "llvm/CodeGen/DwarfWriter.h"
|
|
#include "llvm/MC/MCStreamer.h"
|
|
#include "llvm/MC/MCAsmInfo.h"
|
|
#include "llvm/MC/MCSymbol.h"
|
|
#include "llvm/Target/TargetLoweringObjectFile.h"
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include "llvm/Target/TargetRegistry.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/FormattedStream.h"
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
struct AlphaAsmPrinter : public AsmPrinter {
|
|
/// Unique incrementer for label values for referencing Global values.
|
|
///
|
|
|
|
explicit AlphaAsmPrinter(formatted_raw_ostream &o, TargetMachine &tm,
|
|
const MCAsmInfo *T, bool V)
|
|
: AsmPrinter(o, tm, T, V) {}
|
|
|
|
virtual const char *getPassName() const {
|
|
return "Alpha Assembly Printer";
|
|
}
|
|
void printInstruction(const MachineInstr *MI);
|
|
void EmitInstruction(const MachineInstr *MI) { printInstruction(MI); }
|
|
static const char *getRegisterName(unsigned RegNo);
|
|
|
|
void printOp(const MachineOperand &MO, bool IsCallOp = false);
|
|
void printOperand(const MachineInstr *MI, int opNum);
|
|
void printBaseOffsetPair(const MachineInstr *MI, int i, bool brackets=true);
|
|
virtual void EmitFunctionBodyStart();
|
|
virtual void EmitFunctionBodyEnd();
|
|
void EmitStartOfAsmFile(Module &M);
|
|
|
|
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
|
|
unsigned AsmVariant, const char *ExtraCode);
|
|
bool PrintAsmMemoryOperand(const MachineInstr *MI,
|
|
unsigned OpNo,
|
|
unsigned AsmVariant,
|
|
const char *ExtraCode);
|
|
};
|
|
} // end of anonymous namespace
|
|
|
|
#include "AlphaGenAsmWriter.inc"
|
|
|
|
void AlphaAsmPrinter::printOperand(const MachineInstr *MI, int opNum)
|
|
{
|
|
const MachineOperand &MO = MI->getOperand(opNum);
|
|
if (MO.getType() == MachineOperand::MO_Register) {
|
|
assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
|
|
"Not physreg??");
|
|
O << getRegisterName(MO.getReg());
|
|
} else if (MO.isImm()) {
|
|
O << MO.getImm();
|
|
assert(MO.getImm() < (1 << 30));
|
|
} else {
|
|
printOp(MO);
|
|
}
|
|
}
|
|
|
|
|
|
void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
|
|
switch (MO.getType()) {
|
|
case MachineOperand::MO_Register:
|
|
O << getRegisterName(MO.getReg());
|
|
return;
|
|
|
|
case MachineOperand::MO_Immediate:
|
|
llvm_unreachable("printOp() does not handle immediate values");
|
|
return;
|
|
|
|
case MachineOperand::MO_MachineBasicBlock:
|
|
O << *MO.getMBB()->getSymbol(OutContext);
|
|
return;
|
|
|
|
case MachineOperand::MO_ConstantPoolIndex:
|
|
O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << "_"
|
|
<< MO.getIndex();
|
|
return;
|
|
|
|
case MachineOperand::MO_ExternalSymbol:
|
|
O << MO.getSymbolName();
|
|
return;
|
|
|
|
case MachineOperand::MO_GlobalAddress:
|
|
O << *GetGlobalValueSymbol(MO.getGlobal());
|
|
return;
|
|
|
|
case MachineOperand::MO_JumpTableIndex:
|
|
O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
|
|
<< '_' << MO.getIndex();
|
|
return;
|
|
|
|
default:
|
|
O << "<unknown operand type: " << MO.getType() << ">";
|
|
return;
|
|
}
|
|
}
|
|
|
|
/// EmitFunctionBodyStart - Targets can override this to emit stuff before
|
|
/// the first basic block in the function.
|
|
void AlphaAsmPrinter::EmitFunctionBodyStart() {
|
|
O << "\t.ent " << *CurrentFnSym << "\n";
|
|
}
|
|
|
|
/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
|
|
/// the last basic block in the function.
|
|
void AlphaAsmPrinter::EmitFunctionBodyEnd() {
|
|
O << "\t.end " << *CurrentFnSym << "\n";
|
|
}
|
|
|
|
void AlphaAsmPrinter::EmitStartOfAsmFile(Module &M) {
|
|
if (TM.getSubtarget<AlphaSubtarget>().hasCT())
|
|
O << "\t.arch ev6\n"; //This might need to be ev67, so leave this test here
|
|
else
|
|
O << "\t.arch ev6\n";
|
|
O << "\t.set noat\n";
|
|
}
|
|
|
|
/// PrintAsmOperand - Print out an operand for an inline asm expression.
|
|
///
|
|
bool AlphaAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
|
|
unsigned AsmVariant,
|
|
const char *ExtraCode) {
|
|
printOperand(MI, OpNo);
|
|
return false;
|
|
}
|
|
|
|
bool AlphaAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
|
|
unsigned OpNo,
|
|
unsigned AsmVariant,
|
|
const char *ExtraCode) {
|
|
if (ExtraCode && ExtraCode[0])
|
|
return true; // Unknown modifier.
|
|
O << "0(";
|
|
printOperand(MI, OpNo);
|
|
O << ")";
|
|
return false;
|
|
}
|
|
|
|
// Force static initialization.
|
|
extern "C" void LLVMInitializeAlphaAsmPrinter() {
|
|
RegisterAsmPrinter<AlphaAsmPrinter> X(TheAlphaTarget);
|
|
}
|