+++ /dev/null
-include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
-
-add_llvm_library(LLVMMSP430AsmPrinter
- MSP430AsmPrinter.cpp
- MSP430InstPrinter.cpp
- MSP430MCInstLower.cpp
- )
-add_dependencies(LLVMMSP430AsmPrinter MSP430CodeGenTable_gen)
+++ /dev/null
-//===-- MSP430AsmPrinter.cpp - MSP430 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 MSP430 assembly language.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "MSP430.h"
-#include "MSP430InstrInfo.h"
-#include "MSP430InstPrinter.h"
-#include "MSP430MCAsmInfo.h"
-#include "MSP430MCInstLower.h"
-#include "MSP430TargetMachine.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-namespace {
- class MSP430AsmPrinter : public AsmPrinter {
- public:
- MSP430AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer) {}
-
- virtual const char *getPassName() const {
- return "MSP430 Assembly Printer";
- }
-
- void printOperand(const MachineInstr *MI, int OpNum,
- raw_ostream &O, const char* Modifier = 0);
- void printSrcMemOperand(const MachineInstr *MI, int OpNum,
- raw_ostream &O);
- bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O);
- bool PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo, unsigned AsmVariant,
- const char *ExtraCode, raw_ostream &O);
- void EmitInstruction(const MachineInstr *MI);
- };
-} // end of anonymous namespace
-
-
-void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
- raw_ostream &O, const char *Modifier) {
- const MachineOperand &MO = MI->getOperand(OpNum);
- switch (MO.getType()) {
- default: assert(0 && "Not implemented yet!");
- case MachineOperand::MO_Register:
- O << MSP430InstPrinter::getRegisterName(MO.getReg());
- return;
- case MachineOperand::MO_Immediate:
- if (!Modifier || strcmp(Modifier, "nohash"))
- O << '#';
- O << MO.getImm();
- return;
- case MachineOperand::MO_MachineBasicBlock:
- O << *MO.getMBB()->getSymbol();
- return;
- case MachineOperand::MO_GlobalAddress: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- uint64_t Offset = MO.getOffset();
-
- // If the global address expression is a part of displacement field with a
- // register base, we should not emit any prefix symbol here, e.g.
- // mov.w &foo, r1
- // vs
- // mov.w glb(r1), r2
- // Otherwise (!) msp430-as will silently miscompile the output :(
- if (!Modifier || strcmp(Modifier, "nohash"))
- O << (isMemOp ? '&' : '#');
- if (Offset)
- O << '(' << Offset << '+';
-
- O << *Mang->getSymbol(MO.getGlobal());
-
- if (Offset)
- O << ')';
-
- return;
- }
- case MachineOperand::MO_ExternalSymbol: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- O << (isMemOp ? '&' : '#');
- O << MAI->getGlobalPrefix() << MO.getSymbolName();
- return;
- }
- }
-}
-
-void MSP430AsmPrinter::printSrcMemOperand(const MachineInstr *MI, int OpNum,
- raw_ostream &O) {
- const MachineOperand &Base = MI->getOperand(OpNum);
- const MachineOperand &Disp = MI->getOperand(OpNum+1);
-
- // Print displacement first
-
- // Imm here is in fact global address - print extra modifier.
- if (Disp.isImm() && !Base.getReg())
- O << '&';
- printOperand(MI, OpNum+1, O, "nohash");
-
- // Print register base field
- if (Base.getReg()) {
- O << '(';
- printOperand(MI, OpNum, O);
- O << ')';
- }
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool MSP430AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode, raw_ostream &O) {
- // Does this asm operand have a single letter operand modifier?
- if (ExtraCode && ExtraCode[0])
- return true; // Unknown modifier.
-
- printOperand(MI, OpNo, O);
- return false;
-}
-
-bool MSP430AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo, unsigned AsmVariant,
- const char *ExtraCode,
- raw_ostream &O) {
- if (ExtraCode && ExtraCode[0]) {
- return true; // Unknown modifier.
- }
- printSrcMemOperand(MI, OpNo, O);
- return false;
-}
-
-//===----------------------------------------------------------------------===//
-void MSP430AsmPrinter::EmitInstruction(const MachineInstr *MI) {
- MSP430MCInstLower MCInstLowering(OutContext, *Mang, *this);
-
- MCInst TmpInst;
- MCInstLowering.Lower(MI, TmpInst);
- OutStreamer.EmitInstruction(TmpInst);
-}
-
-static MCInstPrinter *createMSP430MCInstPrinter(const Target &T,
- unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
- if (SyntaxVariant == 0)
- return new MSP430InstPrinter(MAI);
- return 0;
-}
-
-// Force static initialization.
-extern "C" void LLVMInitializeMSP430AsmPrinter() {
- RegisterAsmPrinter<MSP430AsmPrinter> X(TheMSP430Target);
- TargetRegistry::RegisterMCInstPrinter(TheMSP430Target,
- createMSP430MCInstPrinter);
-}
+++ /dev/null
-//===-- MSP430InstPrinter.cpp - Convert MSP430 MCInst to assembly syntax --===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class prints an MSP430 MCInst to a .s file.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "MSP430.h"
-#include "MSP430InstPrinter.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
-using namespace llvm;
-
-
-// Include the auto-generated portion of the assembly writer.
-#include "MSP430GenAsmWriter.inc"
-
-void MSP430InstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
- printInstruction(MI, O);
-}
-
-void MSP430InstPrinter::printPCRelImmOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) {
- const MCOperand &Op = MI->getOperand(OpNo);
- if (Op.isImm())
- O << Op.getImm();
- else {
- assert(Op.isExpr() && "unknown pcrel immediate operand");
- O << *Op.getExpr();
- }
-}
-
-void MSP430InstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O, const char *Modifier) {
- assert((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported");
- const MCOperand &Op = MI->getOperand(OpNo);
- if (Op.isReg()) {
- O << getRegisterName(Op.getReg());
- } else if (Op.isImm()) {
- O << '#' << Op.getImm();
- } else {
- assert(Op.isExpr() && "unknown operand kind in printOperand");
- O << '#' << *Op.getExpr();
- }
-}
-
-void MSP430InstPrinter::printSrcMemOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O,
- const char *Modifier) {
- const MCOperand &Base = MI->getOperand(OpNo);
- const MCOperand &Disp = MI->getOperand(OpNo+1);
-
- // Print displacement first
-
- // If the global address expression is a part of displacement field with a
- // register base, we should not emit any prefix symbol here, e.g.
- // mov.w &foo, r1
- // vs
- // mov.w glb(r1), r2
- // Otherwise (!) msp430-as will silently miscompile the output :(
- if (!Base.getReg())
- O << '&';
-
- if (Disp.isExpr())
- O << *Disp.getExpr();
- else {
- assert(Disp.isImm() && "Expected immediate in displacement field");
- O << Disp.getImm();
- }
-
- // Print register base field
- if (Base.getReg())
- O << '(' << getRegisterName(Base.getReg()) << ')';
-}
-
-void MSP430InstPrinter::printCCOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) {
- unsigned CC = MI->getOperand(OpNo).getImm();
-
- switch (CC) {
- default:
- llvm_unreachable("Unsupported CC code");
- break;
- case MSP430CC::COND_E:
- O << "eq";
- break;
- case MSP430CC::COND_NE:
- O << "ne";
- break;
- case MSP430CC::COND_HS:
- O << "hs";
- break;
- case MSP430CC::COND_LO:
- O << "lo";
- break;
- case MSP430CC::COND_GE:
- O << "ge";
- break;
- case MSP430CC::COND_L:
- O << 'l';
- break;
- }
-}
+++ /dev/null
-//===-- MSP430InstPrinter.h - Convert MSP430 MCInst to assembly syntax ----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class prints a MSP430 MCInst to a .s file.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef MSP430INSTPRINTER_H
-#define MSP430INSTPRINTER_H
-
-#include "llvm/MC/MCInstPrinter.h"
-
-namespace llvm {
- class MCOperand;
-
- class MSP430InstPrinter : public MCInstPrinter {
- public:
- MSP430InstPrinter(const MCAsmInfo &MAI) : MCInstPrinter(MAI) {
- }
-
- virtual void printInst(const MCInst *MI, raw_ostream &O);
-
- // Autogenerated by tblgen.
- void printInstruction(const MCInst *MI, raw_ostream &O);
- static const char *getRegisterName(unsigned RegNo);
-
- void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
- const char *Modifier = 0);
- void printPCRelImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
- void printSrcMemOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
- const char *Modifier = 0);
- void printCCOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-
- };
-}
-
-#endif
+++ /dev/null
-//===-- MSP430MCInstLower.cpp - Convert MSP430 MachineInstr to an MCInst---===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains code to lower MSP430 MachineInstrs to their corresponding
-// MCInst records.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MSP430MCInstLower.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/ADT/SmallString.h"
-using namespace llvm;
-
-MCSymbol *MSP430MCInstLower::
-GetGlobalAddressSymbol(const MachineOperand &MO) const {
- switch (MO.getTargetFlags()) {
- default: llvm_unreachable("Unknown target flag on GV operand");
- case 0: break;
- }
-
- return Printer.Mang->getSymbol(MO.getGlobal());
-}
-
-MCSymbol *MSP430MCInstLower::
-GetExternalSymbolSymbol(const MachineOperand &MO) const {
- switch (MO.getTargetFlags()) {
- default: assert(0 && "Unknown target flag on GV operand");
- case 0: break;
- }
-
- return Printer.GetExternalSymbolSymbol(MO.getSymbolName());
-}
-
-MCSymbol *MSP430MCInstLower::
-GetJumpTableSymbol(const MachineOperand &MO) const {
- SmallString<256> Name;
- raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI"
- << Printer.getFunctionNumber() << '_'
- << MO.getIndex();
-
- switch (MO.getTargetFlags()) {
- default: llvm_unreachable("Unknown target flag on GV operand");
- case 0: break;
- }
-
- // Create a symbol for the name.
- return Ctx.GetOrCreateSymbol(Name.str());
-}
-
-MCSymbol *MSP430MCInstLower::
-GetConstantPoolIndexSymbol(const MachineOperand &MO) const {
- SmallString<256> Name;
- raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "CPI"
- << Printer.getFunctionNumber() << '_'
- << MO.getIndex();
-
- switch (MO.getTargetFlags()) {
- default: llvm_unreachable("Unknown target flag on GV operand");
- case 0: break;
- }
-
- // Create a symbol for the name.
- return Ctx.GetOrCreateSymbol(Name.str());
-}
-
-MCSymbol *MSP430MCInstLower::
-GetBlockAddressSymbol(const MachineOperand &MO) const {
- switch (MO.getTargetFlags()) {
- default: assert(0 && "Unknown target flag on GV operand");
- case 0: break;
- }
-
- return Printer.GetBlockAddressSymbol(MO.getBlockAddress());
-}
-
-MCOperand MSP430MCInstLower::
-LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const {
- // FIXME: We would like an efficient form for this, so we don't have to do a
- // lot of extra uniquing.
- const MCExpr *Expr = MCSymbolRefExpr::Create(Sym, Ctx);
-
- switch (MO.getTargetFlags()) {
- default: llvm_unreachable("Unknown target flag on GV operand");
- case 0: break;
- }
-
- if (!MO.isJTI() && MO.getOffset())
- Expr = MCBinaryExpr::CreateAdd(Expr,
- MCConstantExpr::Create(MO.getOffset(), Ctx),
- Ctx);
- return MCOperand::CreateExpr(Expr);
-}
-
-void MSP430MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
- OutMI.setOpcode(MI->getOpcode());
-
- for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
- const MachineOperand &MO = MI->getOperand(i);
-
- MCOperand MCOp;
- switch (MO.getType()) {
- default:
- MI->dump();
- assert(0 && "unknown operand type");
- case MachineOperand::MO_Register:
- // Ignore all implicit register operands.
- if (MO.isImplicit()) continue;
- MCOp = MCOperand::CreateReg(MO.getReg());
- break;
- case MachineOperand::MO_Immediate:
- MCOp = MCOperand::CreateImm(MO.getImm());
- break;
- case MachineOperand::MO_MachineBasicBlock:
- MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
- MO.getMBB()->getSymbol(), Ctx));
- break;
- case MachineOperand::MO_GlobalAddress:
- MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));
- break;
- case MachineOperand::MO_ExternalSymbol:
- MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO));
- break;
- case MachineOperand::MO_JumpTableIndex:
- MCOp = LowerSymbolOperand(MO, GetJumpTableSymbol(MO));
- break;
- case MachineOperand::MO_ConstantPoolIndex:
- MCOp = LowerSymbolOperand(MO, GetConstantPoolIndexSymbol(MO));
- break;
- case MachineOperand::MO_BlockAddress:
- MCOp = LowerSymbolOperand(MO, GetBlockAddressSymbol(MO));
- }
-
- OutMI.addOperand(MCOp);
- }
-}
+++ /dev/null
-//===-- MSP430MCInstLower.h - Lower MachineInstr to MCInst ----------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef MSP430_MCINSTLOWER_H
-#define MSP430_MCINSTLOWER_H
-
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
- class AsmPrinter;
- class MCAsmInfo;
- class MCContext;
- class MCInst;
- class MCOperand;
- class MCSymbol;
- class MachineInstr;
- class MachineModuleInfoMachO;
- class MachineOperand;
- class Mangler;
-
- /// MSP430MCInstLower - This class is used to lower an MachineInstr
- /// into an MCInst.
-class LLVM_LIBRARY_VISIBILITY MSP430MCInstLower {
- MCContext &Ctx;
- Mangler &Mang;
-
- AsmPrinter &Printer;
-public:
- MSP430MCInstLower(MCContext &ctx, Mangler &mang, AsmPrinter &printer)
- : Ctx(ctx), Mang(mang), Printer(printer) {}
- void Lower(const MachineInstr *MI, MCInst &OutMI) const;
-
- MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
-
- MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
- MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
- MCSymbol *GetJumpTableSymbol(const MachineOperand &MO) const;
- MCSymbol *GetConstantPoolIndexSymbol(const MachineOperand &MO) const;
- MCSymbol *GetBlockAddressSymbol(const MachineOperand &MO) const;
-};
-
-}
-
-#endif
+++ /dev/null
-##===- lib/Target/MSP430/AsmPrinter/Makefile ---------------*- Makefile -*-===##
-#
-# The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-LEVEL = ../../../..
-LIBRARYNAME = LLVMMSP430AsmPrinter
-
-# Hack: we need to include 'main' MSP430 target directory to grab private headers
-CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
-
-include $(LEVEL)/Makefile.common
MSP430Subtarget.cpp
MSP430TargetMachine.cpp
MSP430SelectionDAGInfo.cpp
+ MSP430AsmPrinter.cpp
+ MSP430MCInstLower.cpp
)
--- /dev/null
+include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
+
+add_llvm_library(LLVMMSP430AsmPrinter
+ MSP430InstPrinter.cpp
+ )
+add_dependencies(LLVMMSP430AsmPrinter MSP430CodeGenTable_gen)
--- /dev/null
+//===-- MSP430InstPrinter.cpp - Convert MSP430 MCInst to assembly syntax --===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class prints an MSP430 MCInst to a .s file.
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "asm-printer"
+#include "MSP430.h"
+#include "MSP430InstPrinter.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
+using namespace llvm;
+
+
+// Include the auto-generated portion of the assembly writer.
+#include "MSP430GenAsmWriter.inc"
+
+void MSP430InstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
+ printInstruction(MI, O);
+}
+
+void MSP430InstPrinter::printPCRelImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ const MCOperand &Op = MI->getOperand(OpNo);
+ if (Op.isImm())
+ O << Op.getImm();
+ else {
+ assert(Op.isExpr() && "unknown pcrel immediate operand");
+ O << *Op.getExpr();
+ }
+}
+
+void MSP430InstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O, const char *Modifier) {
+ assert((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported");
+ const MCOperand &Op = MI->getOperand(OpNo);
+ if (Op.isReg()) {
+ O << getRegisterName(Op.getReg());
+ } else if (Op.isImm()) {
+ O << '#' << Op.getImm();
+ } else {
+ assert(Op.isExpr() && "unknown operand kind in printOperand");
+ O << '#' << *Op.getExpr();
+ }
+}
+
+void MSP430InstPrinter::printSrcMemOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O,
+ const char *Modifier) {
+ const MCOperand &Base = MI->getOperand(OpNo);
+ const MCOperand &Disp = MI->getOperand(OpNo+1);
+
+ // Print displacement first
+
+ // If the global address expression is a part of displacement field with a
+ // register base, we should not emit any prefix symbol here, e.g.
+ // mov.w &foo, r1
+ // vs
+ // mov.w glb(r1), r2
+ // Otherwise (!) msp430-as will silently miscompile the output :(
+ if (!Base.getReg())
+ O << '&';
+
+ if (Disp.isExpr())
+ O << *Disp.getExpr();
+ else {
+ assert(Disp.isImm() && "Expected immediate in displacement field");
+ O << Disp.getImm();
+ }
+
+ // Print register base field
+ if (Base.getReg())
+ O << '(' << getRegisterName(Base.getReg()) << ')';
+}
+
+void MSP430InstPrinter::printCCOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ unsigned CC = MI->getOperand(OpNo).getImm();
+
+ switch (CC) {
+ default:
+ llvm_unreachable("Unsupported CC code");
+ break;
+ case MSP430CC::COND_E:
+ O << "eq";
+ break;
+ case MSP430CC::COND_NE:
+ O << "ne";
+ break;
+ case MSP430CC::COND_HS:
+ O << "hs";
+ break;
+ case MSP430CC::COND_LO:
+ O << "lo";
+ break;
+ case MSP430CC::COND_GE:
+ O << "ge";
+ break;
+ case MSP430CC::COND_L:
+ O << 'l';
+ break;
+ }
+}
--- /dev/null
+//===-- MSP430InstPrinter.h - Convert MSP430 MCInst to assembly syntax ----===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class prints a MSP430 MCInst to a .s file.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MSP430INSTPRINTER_H
+#define MSP430INSTPRINTER_H
+
+#include "llvm/MC/MCInstPrinter.h"
+
+namespace llvm {
+ class MCOperand;
+
+ class MSP430InstPrinter : public MCInstPrinter {
+ public:
+ MSP430InstPrinter(const MCAsmInfo &MAI) : MCInstPrinter(MAI) {
+ }
+
+ virtual void printInst(const MCInst *MI, raw_ostream &O);
+
+ // Autogenerated by tblgen.
+ void printInstruction(const MCInst *MI, raw_ostream &O);
+ static const char *getRegisterName(unsigned RegNo);
+
+ void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
+ const char *Modifier = 0);
+ void printPCRelImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+ void printSrcMemOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
+ const char *Modifier = 0);
+ void printCCOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+
+ };
+}
+
+#endif
--- /dev/null
+##===- lib/Target/MSP430/AsmPrinter/Makefile ---------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMMSP430AsmPrinter
+
+# Hack: we need to include 'main' MSP430 target directory to grab private headers
+CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
--- /dev/null
+//===-- MSP430AsmPrinter.cpp - MSP430 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 MSP430 assembly language.
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "asm-printer"
+#include "MSP430.h"
+#include "MSP430InstrInfo.h"
+#include "MSP430MCAsmInfo.h"
+#include "MSP430MCInstLower.h"
+#include "MSP430TargetMachine.h"
+#include "InstPrinter/MSP430InstPrinter.h"
+#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/Assembly/Writer.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+namespace {
+ class MSP430AsmPrinter : public AsmPrinter {
+ public:
+ MSP430AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer) {}
+
+ virtual const char *getPassName() const {
+ return "MSP430 Assembly Printer";
+ }
+
+ void printOperand(const MachineInstr *MI, int OpNum,
+ raw_ostream &O, const char* Modifier = 0);
+ void printSrcMemOperand(const MachineInstr *MI, int OpNum,
+ raw_ostream &O);
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O);
+ bool PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo, unsigned AsmVariant,
+ const char *ExtraCode, raw_ostream &O);
+ void EmitInstruction(const MachineInstr *MI);
+ };
+} // end of anonymous namespace
+
+
+void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
+ raw_ostream &O, const char *Modifier) {
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ switch (MO.getType()) {
+ default: assert(0 && "Not implemented yet!");
+ case MachineOperand::MO_Register:
+ O << MSP430InstPrinter::getRegisterName(MO.getReg());
+ return;
+ case MachineOperand::MO_Immediate:
+ if (!Modifier || strcmp(Modifier, "nohash"))
+ O << '#';
+ O << MO.getImm();
+ return;
+ case MachineOperand::MO_MachineBasicBlock:
+ O << *MO.getMBB()->getSymbol();
+ return;
+ case MachineOperand::MO_GlobalAddress: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ uint64_t Offset = MO.getOffset();
+
+ // If the global address expression is a part of displacement field with a
+ // register base, we should not emit any prefix symbol here, e.g.
+ // mov.w &foo, r1
+ // vs
+ // mov.w glb(r1), r2
+ // Otherwise (!) msp430-as will silently miscompile the output :(
+ if (!Modifier || strcmp(Modifier, "nohash"))
+ O << (isMemOp ? '&' : '#');
+ if (Offset)
+ O << '(' << Offset << '+';
+
+ O << *Mang->getSymbol(MO.getGlobal());
+
+ if (Offset)
+ O << ')';
+
+ return;
+ }
+ case MachineOperand::MO_ExternalSymbol: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ O << (isMemOp ? '&' : '#');
+ O << MAI->getGlobalPrefix() << MO.getSymbolName();
+ return;
+ }
+ }
+}
+
+void MSP430AsmPrinter::printSrcMemOperand(const MachineInstr *MI, int OpNum,
+ raw_ostream &O) {
+ const MachineOperand &Base = MI->getOperand(OpNum);
+ const MachineOperand &Disp = MI->getOperand(OpNum+1);
+
+ // Print displacement first
+
+ // Imm here is in fact global address - print extra modifier.
+ if (Disp.isImm() && !Base.getReg())
+ O << '&';
+ printOperand(MI, OpNum+1, O, "nohash");
+
+ // Print register base field
+ if (Base.getReg()) {
+ O << '(';
+ printOperand(MI, OpNum, O);
+ O << ')';
+ }
+}
+
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool MSP430AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode, raw_ostream &O) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier.
+
+ printOperand(MI, OpNo, O);
+ return false;
+}
+
+bool MSP430AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo, unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0]) {
+ return true; // Unknown modifier.
+ }
+ printSrcMemOperand(MI, OpNo, O);
+ return false;
+}
+
+//===----------------------------------------------------------------------===//
+void MSP430AsmPrinter::EmitInstruction(const MachineInstr *MI) {
+ MSP430MCInstLower MCInstLowering(OutContext, *Mang, *this);
+
+ MCInst TmpInst;
+ MCInstLowering.Lower(MI, TmpInst);
+ OutStreamer.EmitInstruction(TmpInst);
+}
+
+static MCInstPrinter *createMSP430MCInstPrinter(const Target &T,
+ unsigned SyntaxVariant,
+ const MCAsmInfo &MAI) {
+ if (SyntaxVariant == 0)
+ return new MSP430InstPrinter(MAI);
+ return 0;
+}
+
+// Force static initialization.
+extern "C" void LLVMInitializeMSP430AsmPrinter() {
+ RegisterAsmPrinter<MSP430AsmPrinter> X(TheMSP430Target);
+ TargetRegistry::RegisterMCInstPrinter(TheMSP430Target,
+ createMSP430MCInstPrinter);
+}
--- /dev/null
+//===-- MSP430MCInstLower.cpp - Convert MSP430 MachineInstr to an MCInst---===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains code to lower MSP430 MachineInstrs to their corresponding
+// MCInst records.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MSP430MCInstLower.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/MachineBasicBlock.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/ADT/SmallString.h"
+using namespace llvm;
+
+MCSymbol *MSP430MCInstLower::
+GetGlobalAddressSymbol(const MachineOperand &MO) const {
+ switch (MO.getTargetFlags()) {
+ default: llvm_unreachable("Unknown target flag on GV operand");
+ case 0: break;
+ }
+
+ return Printer.Mang->getSymbol(MO.getGlobal());
+}
+
+MCSymbol *MSP430MCInstLower::
+GetExternalSymbolSymbol(const MachineOperand &MO) const {
+ switch (MO.getTargetFlags()) {
+ default: assert(0 && "Unknown target flag on GV operand");
+ case 0: break;
+ }
+
+ return Printer.GetExternalSymbolSymbol(MO.getSymbolName());
+}
+
+MCSymbol *MSP430MCInstLower::
+GetJumpTableSymbol(const MachineOperand &MO) const {
+ SmallString<256> Name;
+ raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI"
+ << Printer.getFunctionNumber() << '_'
+ << MO.getIndex();
+
+ switch (MO.getTargetFlags()) {
+ default: llvm_unreachable("Unknown target flag on GV operand");
+ case 0: break;
+ }
+
+ // Create a symbol for the name.
+ return Ctx.GetOrCreateSymbol(Name.str());
+}
+
+MCSymbol *MSP430MCInstLower::
+GetConstantPoolIndexSymbol(const MachineOperand &MO) const {
+ SmallString<256> Name;
+ raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "CPI"
+ << Printer.getFunctionNumber() << '_'
+ << MO.getIndex();
+
+ switch (MO.getTargetFlags()) {
+ default: llvm_unreachable("Unknown target flag on GV operand");
+ case 0: break;
+ }
+
+ // Create a symbol for the name.
+ return Ctx.GetOrCreateSymbol(Name.str());
+}
+
+MCSymbol *MSP430MCInstLower::
+GetBlockAddressSymbol(const MachineOperand &MO) const {
+ switch (MO.getTargetFlags()) {
+ default: assert(0 && "Unknown target flag on GV operand");
+ case 0: break;
+ }
+
+ return Printer.GetBlockAddressSymbol(MO.getBlockAddress());
+}
+
+MCOperand MSP430MCInstLower::
+LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const {
+ // FIXME: We would like an efficient form for this, so we don't have to do a
+ // lot of extra uniquing.
+ const MCExpr *Expr = MCSymbolRefExpr::Create(Sym, Ctx);
+
+ switch (MO.getTargetFlags()) {
+ default: llvm_unreachable("Unknown target flag on GV operand");
+ case 0: break;
+ }
+
+ if (!MO.isJTI() && MO.getOffset())
+ Expr = MCBinaryExpr::CreateAdd(Expr,
+ MCConstantExpr::Create(MO.getOffset(), Ctx),
+ Ctx);
+ return MCOperand::CreateExpr(Expr);
+}
+
+void MSP430MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
+ OutMI.setOpcode(MI->getOpcode());
+
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+
+ MCOperand MCOp;
+ switch (MO.getType()) {
+ default:
+ MI->dump();
+ assert(0 && "unknown operand type");
+ case MachineOperand::MO_Register:
+ // Ignore all implicit register operands.
+ if (MO.isImplicit()) continue;
+ MCOp = MCOperand::CreateReg(MO.getReg());
+ break;
+ case MachineOperand::MO_Immediate:
+ MCOp = MCOperand::CreateImm(MO.getImm());
+ break;
+ case MachineOperand::MO_MachineBasicBlock:
+ MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
+ MO.getMBB()->getSymbol(), Ctx));
+ break;
+ case MachineOperand::MO_GlobalAddress:
+ MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));
+ break;
+ case MachineOperand::MO_ExternalSymbol:
+ MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO));
+ break;
+ case MachineOperand::MO_JumpTableIndex:
+ MCOp = LowerSymbolOperand(MO, GetJumpTableSymbol(MO));
+ break;
+ case MachineOperand::MO_ConstantPoolIndex:
+ MCOp = LowerSymbolOperand(MO, GetConstantPoolIndexSymbol(MO));
+ break;
+ case MachineOperand::MO_BlockAddress:
+ MCOp = LowerSymbolOperand(MO, GetBlockAddressSymbol(MO));
+ }
+
+ OutMI.addOperand(MCOp);
+ }
+}
--- /dev/null
+//===-- MSP430MCInstLower.h - Lower MachineInstr to MCInst ----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MSP430_MCINSTLOWER_H
+#define MSP430_MCINSTLOWER_H
+
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+ class AsmPrinter;
+ class MCAsmInfo;
+ class MCContext;
+ class MCInst;
+ class MCOperand;
+ class MCSymbol;
+ class MachineInstr;
+ class MachineModuleInfoMachO;
+ class MachineOperand;
+ class Mangler;
+
+ /// MSP430MCInstLower - This class is used to lower an MachineInstr
+ /// into an MCInst.
+class LLVM_LIBRARY_VISIBILITY MSP430MCInstLower {
+ MCContext &Ctx;
+ Mangler &Mang;
+
+ AsmPrinter &Printer;
+public:
+ MSP430MCInstLower(MCContext &ctx, Mangler &mang, AsmPrinter &printer)
+ : Ctx(ctx), Mang(mang), Printer(printer) {}
+ void Lower(const MachineInstr *MI, MCInst &OutMI) const;
+
+ MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
+
+ MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
+ MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
+ MCSymbol *GetJumpTableSymbol(const MachineOperand &MO) const;
+ MCSymbol *GetConstantPoolIndexSymbol(const MachineOperand &MO) const;
+ MCSymbol *GetBlockAddressSymbol(const MachineOperand &MO) const;
+};
+
+}
+
+#endif
MSP430GenDAGISel.inc MSP430GenCallingConv.inc \
MSP430GenSubtarget.inc
-DIRS = AsmPrinter TargetInfo
+DIRS = InstPrinter TargetInfo
include $(LEVEL)/Makefile.common
projects / oota-llvm.git / commitdiff