2014-07-07 03:24:07 +00:00
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//===-- WDC65816TargetMachine.cpp - Define TargetMachine for WDC65816 -----------===//
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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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//
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//===----------------------------------------------------------------------===//
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#include "WDC65816TargetMachine.h"
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#include "WDC65816.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/PassManager.h"
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#include "llvm/Support/TargetRegistry.h"
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using namespace llvm;
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extern "C" void LLVMInitializeWDC65816Target() {
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// Register the target.
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RegisterTargetMachine<WDC65816TargetMachine> X(TheWDC65816Target);
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}
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/// WDC65816TargetMachine ctor
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///
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WDC65816TargetMachine::WDC65816TargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS,
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const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL)
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: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
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2014-07-12 03:47:17 +00:00
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DL("e-p:32:8:8-i16:8:8-f32:8:8-f68:8:8-n16"),
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InstrInfo(),
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2014-07-07 03:24:07 +00:00
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TLInfo(*this), TSInfo(*this),
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2014-07-12 03:47:17 +00:00
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FrameLowering() {
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2014-07-07 03:24:07 +00:00
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initAsmInfo();
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}
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namespace {
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/// WDC65816 Code Generator Pass Configuration Options.
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class WDC65816PassConfig : public TargetPassConfig {
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public:
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WDC65816PassConfig(WDC65816TargetMachine *TM, PassManagerBase &PM)
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: TargetPassConfig(TM, PM) {}
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WDC65816TargetMachine &getWDC65816TargetMachine() const {
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return getTM<WDC65816TargetMachine>();
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}
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virtual bool addInstSelector();
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virtual bool addPreEmitPass();
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};
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} // namespace
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TargetPassConfig *WDC65816TargetMachine::createPassConfig(PassManagerBase &PM) {
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return new WDC65816PassConfig(this, PM);
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}
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bool WDC65816PassConfig::addInstSelector() {
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addPass(createWDC65816ISelDag(getWDC65816TargetMachine()));
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return false;
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}
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/// addPreEmitPass - This pass may be implemented by targets that want to run
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/// passes immediately before machine code is emitted. This should return
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/// true if -print-machineinstrs should print out the code after the passes.
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bool WDC65816PassConfig::addPreEmitPass(){
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return true;
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}
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