XCoreTargetMachine.cpp revision 252723 
1//===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
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//
11//===----------------------------------------------------------------------===//
12
13#include "XCoreTargetMachine.h"
14#include "XCore.h"
15#include "llvm/CodeGen/Passes.h"
16#include "llvm/IR/Module.h"
17#include "llvm/PassManager.h"
18#include "llvm/Support/TargetRegistry.h"
19using namespace llvm;
20
21/// XCoreTargetMachine ctor - Create an ILP32 architecture model
22///
23XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
24                                       StringRef CPU, StringRef FS,
25                                       const TargetOptions &Options,
26                                       Reloc::Model RM, CodeModel::Model CM,
27                                       CodeGenOpt::Level OL)
28  : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
29    Subtarget(TT, CPU, FS),
30    DL("e-p:32:32:32-a0:0:32-f32:32:32-f64:32:32-i1:8:32-i8:8:32-"
31               "i16:16:32-i32:32:32-i64:32:32-n32"),
32    InstrInfo(),
33    FrameLowering(Subtarget),
34    TLInfo(*this),
35    TSInfo(*this) {
36}
37
38namespace {
39/// XCore Code Generator Pass Configuration Options.
40class XCorePassConfig : public TargetPassConfig {
41public:
42  XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
43    : TargetPassConfig(TM, PM) {}
44
45  XCoreTargetMachine &getXCoreTargetMachine() const {
46    return getTM<XCoreTargetMachine>();
47  }
48
49  virtual bool addPreISel();
50  virtual bool addInstSelector();
51};
52} // namespace
53
54TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
55  return new XCorePassConfig(this, PM);
56}
57
58bool XCorePassConfig::addPreISel() {
59  addPass(createXCoreLowerThreadLocalPass());
60  return false;
61}
62
63bool XCorePassConfig::addInstSelector() {
64  addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
65  return false;
66}
67
68// Force static initialization.
69extern "C" void LLVMInitializeXCoreTarget() {
70  RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
71}
72