contrib/llvm/lib/Target/XCore/XCoreTargetMachine.cpp

   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"
  19 using namespace llvm;
  20
  21 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
  22 ///
  23 XCoreTargetMachine::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
  38 namespace {
  39 /// XCore Code Generator Pass Configuration Options.
  40 class XCorePassConfig : public TargetPassConfig {
  41 public:
  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
  54 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
  55   return new XCorePassConfig(this, PM);
  56 }
  57
  58 bool XCorePassConfig::addPreISel() {
  59   addPass(createXCoreLowerThreadLocalPass());
  60   return false;
  61 }
  62
  63 bool XCorePassConfig::addInstSelector() {
  64   addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
  65   return false;
  66 }
  67
  68 // Force static initialization.
  69 extern "C" void LLVMInitializeXCoreTarget() {
  70   RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
  71 }