Differential D64833 Diff 329499 llvm/lib/Target/Xtensa/MCTargetDesc/XtensaInstPrinter.cpp

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llvm/lib/Target/Xtensa/MCTargetDesc/XtensaInstPrinter.cpp

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				//===- XtensaInstPrinter.cpp - Convert Xtensa MCInst to asm syntax --------===//
				//
				// The LLVM Compiler Infrastructure
				//
				// 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 class prints an Xtensa MCInst to a .s file.
				//
				//===----------------------------------------------------------------------===//

				#include "XtensaInstPrinter.h"
				#include "llvm/CodeGen/MachineOperand.h"
				#include "llvm/MC/MCExpr.h"
				#include "llvm/MC/MCInstrInfo.h"
				#include "llvm/MC/MCSymbol.h"
				#include "llvm/Support/raw_ostream.h"

				using namespace llvm;

				#define DEBUG_TYPE "asm-printer"

				#include "XtensaGenAsmWriter.inc"

				static void printExpr(const MCExpr *Expr, raw_ostream &OS) {
				int Offset = 0;
				const MCSymbolRefExpr *SRE;

				if (!(SRE = dyn_cast<MCSymbolRefExpr>(Expr)))
				assert(false && "Unexpected MCExpr type.");

				MCSymbolRefExpr::VariantKind Kind = SRE->getKind();
				arsenmUnsubmitted Not Done Reply Inline Actions Just use cast<> arsenm: Just use cast<>
				andreisfrAuthorUnsubmitted Done Reply Inline Actions Corrected andreisfr: Corrected
				arsenmUnsubmitted Not Done Reply Inline Actions Also means you can get rid of the assert(false) and if arsenm: Also means you can get rid of the assert(false) and if

				switch (Kind) {
				case MCSymbolRefExpr::VK_None:
				break;
				// TODO
				default:
				llvm_unreachable("Invalid kind!");
				}

				OS << SRE->getSymbol();

				if (Offset) {
				if (Offset > 0)
				OS << '+';
				OS << Offset;
				}

				if (Kind != MCSymbolRefExpr::VK_None)
				OS << ')';
				}

				void XtensaInstPrinter::printOperand(const MCOperand &MC, raw_ostream &O) {
				if (MC.isReg())
				O << getRegisterName(MC.getReg());
				else if (MC.isImm())
				O << MC.getImm();
				else if (MC.isExpr())
				printExpr(MC.getExpr(), O);
				else
				llvm_unreachable("Invalid operand");
				}

				void XtensaInstPrinter::printInst(const MCInst *MI, uint64_t Address,
				StringRef Annot, const MCSubtargetInfo &STI,
				raw_ostream &O) {
				printInstruction(MI, Address, O);
				printAnnotation(O, Annot);
				}

				void XtensaInstPrinter::printRegName(raw_ostream &O, unsigned RegNo) const {
				O << getRegisterName(RegNo);
				}

				void XtensaInstPrinter::printOperand(const MCInst *MI, int OpNum,
				raw_ostream &O) {
				printOperand(MI->getOperand(OpNum), O);
				}

				void XtensaInstPrinter::printImm8_AsmOperand(const MCInst *MI, int OpNum,
				raw_ostream &O) {
				if (MI->getOperand(OpNum).isImm()) {
				int64_t Value = MI->getOperand(OpNum).getImm();
				assert((Value >= -128 && Value <= 127) &&
				"Invalid argument, value must be in ranges [-128,127]");
				O << Value;
				MaskRayUnsubmitted Not Done Reply Inline Actions `isInt<8>` from MathExtras.h MaskRay: `isInt<8>` from MathExtras.h
				andreisfrAuthorUnsubmitted Done Reply Inline Actions Corrected andreisfr: Corrected
				} else
				printOperand(MI, OpNum, O);
				}

				MaskRayUnsubmitted Not Done Reply Inline Actions Add braces. `then` uses braces and `else` should use, too. MaskRay: Add braces. `then` uses braces and `else` should use, too.
				andreisfrAuthorUnsubmitted Done Reply Inline Actions Corrected andreisfr: Corrected
				void XtensaInstPrinter::printImm8_sh8_AsmOperand(const MCInst *MI, int OpNum,
				raw_ostream &O) {
				if (MI->getOperand(OpNum).isImm()) {
				int64_t Value = MI->getOperand(OpNum).getImm();
				assert((Value >= -32768 && Value <= 32512 && ((Value & 0xFF) == 0)) &&
				"Invalid argument, value must be multiples of 256 in range "
				"[-32768,32512]");
				MaskRayUnsubmitted Not Done Reply Inline Actions isInt<16> from MathExtras.h MaskRay: isInt<16> from MathExtras.h
				andreisfrAuthorUnsubmitted Done Reply Inline Actions Corrected andreisfr: Corrected
				O << Value;
				} else
				printOperand(MI, OpNum, O);
				}