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https://github.com/c64scene-ar/llvm-6502.git
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60871cb40c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70769 91177308-0d34-0410-b5e6-96231b3b80d8
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
//===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Top-level implementation for the MSP430 target.
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//
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//===----------------------------------------------------------------------===//
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#include "MSP430.h"
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#include "MSP430TargetAsmInfo.h"
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#include "MSP430TargetMachine.h"
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/Target/TargetAsmInfo.h"
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#include "llvm/Target/TargetMachineRegistry.h"
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using namespace llvm;
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/// MSP430TargetMachineModule - Note that this is used on hosts that
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/// cannot link in a library unless there are references into the
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/// library. In particular, it seems that it is not possible to get
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/// things to work on Win32 without this. Though it is unused, do not
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/// remove it.
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extern "C" int MSP430TargetMachineModule;
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int MSP430TargetMachineModule = 0;
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// Register the targets
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static RegisterTarget<MSP430TargetMachine>
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X("msp430", "MSP430 [experimental]");
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MSP430TargetMachine::MSP430TargetMachine(const Module &M,
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const std::string &FS) :
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Subtarget(*this, M, FS),
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// FIXME: Check TargetData string.
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DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
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InstrInfo(*this), TLInfo(*this),
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FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2) { }
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const TargetAsmInfo *MSP430TargetMachine::createTargetAsmInfo() const {
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return new MSP430TargetAsmInfo(*this);
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}
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bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel) {
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// Install an instruction selector.
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PM.add(createMSP430ISelDag(*this, OptLevel));
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return false;
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}
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bool MSP430TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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bool Verbose,
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raw_ostream &Out) {
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// Output assembly language.
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PM.add(createMSP430CodePrinterPass(Out, *this, OptLevel, Verbose));
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return false;
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}
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unsigned MSP430TargetMachine::getModuleMatchQuality(const Module &M) {
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std::string TT = M.getTargetTriple();
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// We strongly match msp430
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if (TT.size() >= 6 && TT[0] == 'm' && TT[1] == 's' && TT[2] == 'p' &&
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TT[3] == '4' && TT[4] == '3' && TT[5] == '0')
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return 20;
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return 0;
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}
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