From: Anton Korobeynikov Date: Fri, 14 Aug 2009 18:28:12 +0000 (+0000) Subject: Give MSP430 a separate asmprinter lib X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=960a7c9ad182f1112a864cc5075990f0cff92e67;p=oota-llvm.git Give MSP430 a separate asmprinter lib git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79012 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/MSP430/AsmPrinter/CMakeLists.txt b/lib/Target/MSP430/AsmPrinter/CMakeLists.txt new file mode 100644 index 00000000000..6e668874646 --- /dev/null +++ b/lib/Target/MSP430/AsmPrinter/CMakeLists.txt @@ -0,0 +1,6 @@ +include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. ) + +add_llvm_library(LLVMMSP430AsmPrinter + MSP430AsmPrinter.cpp + ) +add_dependencies(LLVMMSP430AsmPrinter MSP430CodeGenTable_gen) diff --git a/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp b/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp new file mode 100644 index 00000000000..fd8c7d1715e --- /dev/null +++ b/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp @@ -0,0 +1,250 @@ +//===-- 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 "MSP430TargetAsmInfo.h" +#include "MSP430TargetMachine.h" +#include "llvm/Constants.h" +#include "llvm/DerivedTypes.h" +#include "llvm/Module.h" +#include "llvm/CodeGen/AsmPrinter.h" +#include "llvm/CodeGen/DwarfWriter.h" +#include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/MachineFunctionPass.h" +#include "llvm/CodeGen/MachineConstantPool.h" +#include "llvm/CodeGen/MachineInstr.h" +#include "llvm/Target/TargetData.h" +#include "llvm/Target/TargetLoweringObjectFile.h" +#include "llvm/Target/TargetRegistry.h" +#include "llvm/ADT/Statistic.h" +#include "llvm/Support/Compiler.h" +#include "llvm/Support/FormattedStream.h" +#include "llvm/Support/Mangler.h" +#include "llvm/Support/ErrorHandling.h" + +using namespace llvm; + +STATISTIC(EmittedInsts, "Number of machine instrs printed"); + +namespace { + class VISIBILITY_HIDDEN MSP430AsmPrinter : public AsmPrinter { + public: + MSP430AsmPrinter(formatted_raw_ostream &O, TargetMachine &TM, + const TargetAsmInfo *TAI, bool V) + : AsmPrinter(O, TM, TAI, V) {} + + virtual const char *getPassName() const { + return "MSP430 Assembly Printer"; + } + + void printOperand(const MachineInstr *MI, int OpNum, + const char* Modifier = 0); + void printSrcMemOperand(const MachineInstr *MI, int OpNum, + const char* Modifier = 0); + void printCCOperand(const MachineInstr *MI, int OpNum); + void printInstruction(const MachineInstr *MI); // autogenerated. + void printMachineInstruction(const MachineInstr * MI); + + void emitFunctionHeader(const MachineFunction &MF); + bool runOnMachineFunction(MachineFunction &F); + + virtual void PrintGlobalVariable(const GlobalVariable *GV) { + // FIXME: No support for global variables? + } + + void getAnalysisUsage(AnalysisUsage &AU) const { + AsmPrinter::getAnalysisUsage(AU); + AU.setPreservesAll(); + } + }; +} // end of anonymous namespace + +#include "MSP430GenAsmWriter.inc" + + +void MSP430AsmPrinter::emitFunctionHeader(const MachineFunction &MF) { + const Function *F = MF.getFunction(); + + SwitchToSection(getObjFileLowering().SectionForGlobal(F, Mang, TM)); + + unsigned FnAlign = MF.getAlignment(); + EmitAlignment(FnAlign, F); + + switch (F->getLinkage()) { + default: llvm_unreachable("Unknown linkage type!"); + case Function::InternalLinkage: // Symbols default to internal. + case Function::PrivateLinkage: + case Function::LinkerPrivateLinkage: + break; + case Function::ExternalLinkage: + O << "\t.globl\t" << CurrentFnName << '\n'; + break; + case Function::LinkOnceAnyLinkage: + case Function::LinkOnceODRLinkage: + case Function::WeakAnyLinkage: + case Function::WeakODRLinkage: + O << "\t.weak\t" << CurrentFnName << '\n'; + break; + } + + printVisibility(CurrentFnName, F->getVisibility()); + + O << "\t.type\t" << CurrentFnName << ",@function\n" + << CurrentFnName << ":\n"; +} + +bool MSP430AsmPrinter::runOnMachineFunction(MachineFunction &MF) { + SetupMachineFunction(MF); + O << "\n\n"; + + // Print the 'header' of function + emitFunctionHeader(MF); + + // Print out code for the function. + for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); + I != E; ++I) { + // Print a label for the basic block. + if (!VerboseAsm && (I->pred_empty() || I->isOnlyReachableByFallthrough())) { + // This is an entry block or a block that's only reachable via a + // fallthrough edge. In non-VerboseAsm mode, don't print the label. + } else { + printBasicBlockLabel(I, true, true, VerboseAsm); + O << '\n'; + } + + for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end(); + II != E; ++II) + // Print the assembly for the instruction. + printMachineInstruction(II); + } + + if (TAI->hasDotTypeDotSizeDirective()) + O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n'; + + // We didn't modify anything + return false; +} + +void MSP430AsmPrinter::printMachineInstruction(const MachineInstr *MI) { + ++EmittedInsts; + + // Call the autogenerated instruction printer routines. + printInstruction(MI); +} + +void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum, + const char* Modifier) { + const MachineOperand &MO = MI->getOperand(OpNum); + switch (MO.getType()) { + case MachineOperand::MO_Register: + assert (TargetRegisterInfo::isPhysicalRegister(MO.getReg()) && + "Virtual registers should be already mapped!"); + O << TM.getRegisterInfo()->get(MO.getReg()).AsmName; + return; + case MachineOperand::MO_Immediate: + if (!Modifier || strcmp(Modifier, "nohash")) + O << '#'; + O << MO.getImm(); + return; + case MachineOperand::MO_MachineBasicBlock: + printBasicBlockLabel(MO.getMBB()); + return; + case MachineOperand::MO_GlobalAddress: { + bool isMemOp = Modifier && !strcmp(Modifier, "mem"); + bool isCallOp = Modifier && !strcmp(Modifier, "call"); + std::string Name = Mang->getMangledName(MO.getGlobal()); + assert(MO.getOffset() == 0 && "No offsets allowed!"); + + if (isCallOp) + O << '#'; + else if (isMemOp) + O << '&'; + + O << Name; + + return; + } + case MachineOperand::MO_ExternalSymbol: { + bool isCallOp = Modifier && !strcmp(Modifier, "call"); + std::string Name(TAI->getGlobalPrefix()); + Name += MO.getSymbolName(); + if (isCallOp) + O << '#'; + O << Name; + return; + } + default: + llvm_unreachable("Not implemented yet!"); + } +} + +void MSP430AsmPrinter::printSrcMemOperand(const MachineInstr *MI, int OpNum, + const char* Modifier) { + const MachineOperand &Base = MI->getOperand(OpNum); + const MachineOperand &Disp = MI->getOperand(OpNum+1); + + if (Base.isGlobal()) + printOperand(MI, OpNum, "mem"); + else if (Disp.isImm() && !Base.getReg()) + printOperand(MI, OpNum); + else if (Base.getReg()) { + if (Disp.getImm()) { + printOperand(MI, OpNum + 1, "nohash"); + O << '('; + printOperand(MI, OpNum); + O << ')'; + } else { + O << '@'; + printOperand(MI, OpNum); + } + } else + llvm_unreachable("Unsupported memory operand"); +} + +void MSP430AsmPrinter::printCCOperand(const MachineInstr *MI, int OpNum) { + unsigned CC = MI->getOperand(OpNum).getImm(); + + switch (CC) { + default: + llvm_unreachable("Unsupported CC code"); + break; + case MSP430::COND_E: + O << "eq"; + break; + case MSP430::COND_NE: + O << "ne"; + break; + case MSP430::COND_HS: + O << "hs"; + break; + case MSP430::COND_LO: + O << "lo"; + break; + case MSP430::COND_GE: + O << "ge"; + break; + case MSP430::COND_L: + O << 'l'; + break; + } +} + +extern "C" void LLVMInitializeMSP430Target() { + // Register the target. + RegisterTargetMachine X(TheMSP430Target); + RegisterAsmPrinter Y(TheMSP430Target); + RegisterAsmInfo Z(TheMSP430Target); +} diff --git a/lib/Target/MSP430/AsmPrinter/Makefile b/lib/Target/MSP430/AsmPrinter/Makefile new file mode 100644 index 00000000000..888a2fa505a --- /dev/null +++ b/lib/Target/MSP430/AsmPrinter/Makefile @@ -0,0 +1,15 @@ +##===- lib/Target/MSP430/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 +CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/.. + +include $(LEVEL)/Makefile.common diff --git a/lib/Target/MSP430/MSP430AsmPrinter.cpp b/lib/Target/MSP430/MSP430AsmPrinter.cpp deleted file mode 100644 index fd8c7d1715e..00000000000 --- a/lib/Target/MSP430/MSP430AsmPrinter.cpp +++ /dev/null @@ -1,250 +0,0 @@ -//===-- 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 "MSP430TargetAsmInfo.h" -#include "MSP430TargetMachine.h" -#include "llvm/Constants.h" -#include "llvm/DerivedTypes.h" -#include "llvm/Module.h" -#include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/DwarfWriter.h" -#include "llvm/CodeGen/MachineModuleInfo.h" -#include "llvm/CodeGen/MachineFunctionPass.h" -#include "llvm/CodeGen/MachineConstantPool.h" -#include "llvm/CodeGen/MachineInstr.h" -#include "llvm/Target/TargetData.h" -#include "llvm/Target/TargetLoweringObjectFile.h" -#include "llvm/Target/TargetRegistry.h" -#include "llvm/ADT/Statistic.h" -#include "llvm/Support/Compiler.h" -#include "llvm/Support/FormattedStream.h" -#include "llvm/Support/Mangler.h" -#include "llvm/Support/ErrorHandling.h" - -using namespace llvm; - -STATISTIC(EmittedInsts, "Number of machine instrs printed"); - -namespace { - class VISIBILITY_HIDDEN MSP430AsmPrinter : public AsmPrinter { - public: - MSP430AsmPrinter(formatted_raw_ostream &O, TargetMachine &TM, - const TargetAsmInfo *TAI, bool V) - : AsmPrinter(O, TM, TAI, V) {} - - virtual const char *getPassName() const { - return "MSP430 Assembly Printer"; - } - - void printOperand(const MachineInstr *MI, int OpNum, - const char* Modifier = 0); - void printSrcMemOperand(const MachineInstr *MI, int OpNum, - const char* Modifier = 0); - void printCCOperand(const MachineInstr *MI, int OpNum); - void printInstruction(const MachineInstr *MI); // autogenerated. - void printMachineInstruction(const MachineInstr * MI); - - void emitFunctionHeader(const MachineFunction &MF); - bool runOnMachineFunction(MachineFunction &F); - - virtual void PrintGlobalVariable(const GlobalVariable *GV) { - // FIXME: No support for global variables? - } - - void getAnalysisUsage(AnalysisUsage &AU) const { - AsmPrinter::getAnalysisUsage(AU); - AU.setPreservesAll(); - } - }; -} // end of anonymous namespace - -#include "MSP430GenAsmWriter.inc" - - -void MSP430AsmPrinter::emitFunctionHeader(const MachineFunction &MF) { - const Function *F = MF.getFunction(); - - SwitchToSection(getObjFileLowering().SectionForGlobal(F, Mang, TM)); - - unsigned FnAlign = MF.getAlignment(); - EmitAlignment(FnAlign, F); - - switch (F->getLinkage()) { - default: llvm_unreachable("Unknown linkage type!"); - case Function::InternalLinkage: // Symbols default to internal. - case Function::PrivateLinkage: - case Function::LinkerPrivateLinkage: - break; - case Function::ExternalLinkage: - O << "\t.globl\t" << CurrentFnName << '\n'; - break; - case Function::LinkOnceAnyLinkage: - case Function::LinkOnceODRLinkage: - case Function::WeakAnyLinkage: - case Function::WeakODRLinkage: - O << "\t.weak\t" << CurrentFnName << '\n'; - break; - } - - printVisibility(CurrentFnName, F->getVisibility()); - - O << "\t.type\t" << CurrentFnName << ",@function\n" - << CurrentFnName << ":\n"; -} - -bool MSP430AsmPrinter::runOnMachineFunction(MachineFunction &MF) { - SetupMachineFunction(MF); - O << "\n\n"; - - // Print the 'header' of function - emitFunctionHeader(MF); - - // Print out code for the function. - for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); - I != E; ++I) { - // Print a label for the basic block. - if (!VerboseAsm && (I->pred_empty() || I->isOnlyReachableByFallthrough())) { - // This is an entry block or a block that's only reachable via a - // fallthrough edge. In non-VerboseAsm mode, don't print the label. - } else { - printBasicBlockLabel(I, true, true, VerboseAsm); - O << '\n'; - } - - for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end(); - II != E; ++II) - // Print the assembly for the instruction. - printMachineInstruction(II); - } - - if (TAI->hasDotTypeDotSizeDirective()) - O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n'; - - // We didn't modify anything - return false; -} - -void MSP430AsmPrinter::printMachineInstruction(const MachineInstr *MI) { - ++EmittedInsts; - - // Call the autogenerated instruction printer routines. - printInstruction(MI); -} - -void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum, - const char* Modifier) { - const MachineOperand &MO = MI->getOperand(OpNum); - switch (MO.getType()) { - case MachineOperand::MO_Register: - assert (TargetRegisterInfo::isPhysicalRegister(MO.getReg()) && - "Virtual registers should be already mapped!"); - O << TM.getRegisterInfo()->get(MO.getReg()).AsmName; - return; - case MachineOperand::MO_Immediate: - if (!Modifier || strcmp(Modifier, "nohash")) - O << '#'; - O << MO.getImm(); - return; - case MachineOperand::MO_MachineBasicBlock: - printBasicBlockLabel(MO.getMBB()); - return; - case MachineOperand::MO_GlobalAddress: { - bool isMemOp = Modifier && !strcmp(Modifier, "mem"); - bool isCallOp = Modifier && !strcmp(Modifier, "call"); - std::string Name = Mang->getMangledName(MO.getGlobal()); - assert(MO.getOffset() == 0 && "No offsets allowed!"); - - if (isCallOp) - O << '#'; - else if (isMemOp) - O << '&'; - - O << Name; - - return; - } - case MachineOperand::MO_ExternalSymbol: { - bool isCallOp = Modifier && !strcmp(Modifier, "call"); - std::string Name(TAI->getGlobalPrefix()); - Name += MO.getSymbolName(); - if (isCallOp) - O << '#'; - O << Name; - return; - } - default: - llvm_unreachable("Not implemented yet!"); - } -} - -void MSP430AsmPrinter::printSrcMemOperand(const MachineInstr *MI, int OpNum, - const char* Modifier) { - const MachineOperand &Base = MI->getOperand(OpNum); - const MachineOperand &Disp = MI->getOperand(OpNum+1); - - if (Base.isGlobal()) - printOperand(MI, OpNum, "mem"); - else if (Disp.isImm() && !Base.getReg()) - printOperand(MI, OpNum); - else if (Base.getReg()) { - if (Disp.getImm()) { - printOperand(MI, OpNum + 1, "nohash"); - O << '('; - printOperand(MI, OpNum); - O << ')'; - } else { - O << '@'; - printOperand(MI, OpNum); - } - } else - llvm_unreachable("Unsupported memory operand"); -} - -void MSP430AsmPrinter::printCCOperand(const MachineInstr *MI, int OpNum) { - unsigned CC = MI->getOperand(OpNum).getImm(); - - switch (CC) { - default: - llvm_unreachable("Unsupported CC code"); - break; - case MSP430::COND_E: - O << "eq"; - break; - case MSP430::COND_NE: - O << "ne"; - break; - case MSP430::COND_HS: - O << "hs"; - break; - case MSP430::COND_LO: - O << "lo"; - break; - case MSP430::COND_GE: - O << "ge"; - break; - case MSP430::COND_L: - O << 'l'; - break; - } -} - -extern "C" void LLVMInitializeMSP430Target() { - // Register the target. - RegisterTargetMachine X(TheMSP430Target); - RegisterAsmPrinter Y(TheMSP430Target); - RegisterAsmInfo Z(TheMSP430Target); -} diff --git a/lib/Target/MSP430/Makefile b/lib/Target/MSP430/Makefile index 1ca57d7251f..4b18bc9ab42 100644 --- a/lib/Target/MSP430/Makefile +++ b/lib/Target/MSP430/Makefile @@ -7,7 +7,7 @@ # ##===----------------------------------------------------------------------===## LEVEL = ../../.. -LIBRARYNAME = LLVMMSP430 +LIBRARYNAME = LLVMMSP430CodeGen TARGET = MSP430 # Make sure that tblgen is run, first thing. @@ -17,7 +17,7 @@ BUILT_SOURCES = MSP430GenRegisterInfo.h.inc MSP430GenRegisterNames.inc \ MSP430GenDAGISel.inc MSP430GenCallingConv.inc \ MSP430GenSubtarget.inc -DIRS = TargetInfo +DIRS = AsmPrinter TargetInfo include $(LEVEL)/Makefile.common