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https://github.com/c64scene-ar/llvm-6502.git
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038fea5e30
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111219 91177308-0d34-0410-b5e6-96231b3b80d8
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
//===-- ARMFastISel.cpp - ARM FastISel implementation ---------------------===//
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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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// This file defines the ARM-specific support for the FastISel class. Some
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// of the target-specific code is generated by tablegen in the file
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// ARMGenFastISel.inc, which is #included here.
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//
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//===----------------------------------------------------------------------===//
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#include "ARM.h"
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#include "ARMRegisterInfo.h"
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#include "ARMTargetMachine.h"
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#include "ARMSubtarget.h"
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#include "llvm/CallingConv.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/GlobalVariable.h"
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#include "llvm/Instructions.h"
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#include "llvm/IntrinsicInst.h"
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#include "llvm/CodeGen/Analysis.h"
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#include "llvm/CodeGen/FastISel.h"
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#include "llvm/CodeGen/FunctionLoweringInfo.h"
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#include "llvm/CodeGen/MachineConstantPool.h"
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#include "llvm/CodeGen/MachineFrameInfo.h"
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#include "llvm/CodeGen/MachineRegisterInfo.h"
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#include "llvm/Support/CallSite.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/GetElementPtrTypeIterator.h"
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#include "llvm/Target/TargetOptions.h"
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using namespace llvm;
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static cl::opt<bool>
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EnableARMFastISel("arm-fast-isel",
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cl::desc("Turn on experimental ARM fast-isel support"),
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cl::init(false), cl::Hidden);
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namespace {
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class ARMFastISel : public FastISel {
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/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
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/// make the right decision when generating code for different targets.
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const ARMSubtarget *Subtarget;
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public:
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explicit ARMFastISel(FunctionLoweringInfo &funcInfo) : FastISel(funcInfo) {
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Subtarget = &TM.getSubtarget<ARMSubtarget>();
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}
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virtual bool TargetSelectInstruction(const Instruction *I);
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#include "ARMGenFastISel.inc"
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};
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} // end anonymous namespace
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// #include "ARMGenCallingConv.inc"
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bool ARMFastISel::TargetSelectInstruction(const Instruction *I) {
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switch (I->getOpcode()) {
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default: break;
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}
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return false;
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}
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namespace llvm {
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llvm::FastISel *ARM::createFastISel(FunctionLoweringInfo &funcInfo) {
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if (EnableARMFastISel) return new ARMFastISel(funcInfo);
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return 0;
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}
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}
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