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Eric Christopherab695882010-07-21 22:26:11 +00001//===-- ARMFastISel.cpp - ARM FastISel implementation ---------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the ARM-specific support for the FastISel class. Some
11// of the target-specific code is generated by tablegen in the file
12// ARMGenFastISel.inc, which is #included here.
13//
14//===----------------------------------------------------------------------===//
15
16#include "ARM.h"
17#include "ARMRegisterInfo.h"
18#include "ARMTargetMachine.h"
19#include "ARMSubtarget.h"
20#include "llvm/CallingConv.h"
21#include "llvm/DerivedTypes.h"
22#include "llvm/GlobalVariable.h"
23#include "llvm/Instructions.h"
24#include "llvm/IntrinsicInst.h"
25#include "llvm/CodeGen/Analysis.h"
26#include "llvm/CodeGen/FastISel.h"
27#include "llvm/CodeGen/FunctionLoweringInfo.h"
28#include "llvm/CodeGen/MachineConstantPool.h"
29#include "llvm/CodeGen/MachineFrameInfo.h"
30#include "llvm/CodeGen/MachineRegisterInfo.h"
31#include "llvm/Support/CallSite.h"
32#include "llvm/Support/ErrorHandling.h"
33#include "llvm/Support/GetElementPtrTypeIterator.h"
34#include "llvm/Target/TargetOptions.h"
35using namespace llvm;
36
37namespace {
38
39class ARMFastISel : public FastISel {
40
41 /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
42 /// make the right decision when generating code for different targets.
43 const ARMSubtarget *Subtarget;
44
45 public:
46 explicit ARMFastISel(FunctionLoweringInfo &funcInfo) : FastISel(funcInfo) {
47 Subtarget = &TM.getSubtarget<ARMSubtarget>();
48 }
49
50 virtual bool TargetSelectInstruction(const Instruction *I);
51
52 #include "ARMGenFastISel.inc"
53
54 };
55
56} // end anonymous namespace
57
58// #include "ARMGenCallingConv.inc"
59
60bool ARMFastISel::TargetSelectInstruction(const Instruction *I) {
61 switch (I->getOpcode()) {
62 default: break;
63 }
64 return false;
65}
66
67namespace llvm {
68 llvm::FastISel *ARM::createFastISel(FunctionLoweringInfo &funcInfo) {
69 return new ARMFastISel(funcInfo);
70 }
71}