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 "XCoreTargetAsmInfo.h"
  14 #include "XCoreTargetMachine.h"
  15 #include "XCore.h"
  16 #include "llvm/Module.h"
  17 #include "llvm/PassManager.h"
  18 #include "llvm/Target/TargetMachineRegistry.h"
  19 using namespace llvm;
  20
  21 /// XCoreTargetMachineModule - Note that this is used on hosts that
  22 /// cannot link in a library unless there are references into the
  23 /// library.  In particular, it seems that it is not possible to get
  24 /// things to work on Win32 without this.  Though it is unused, do not
  25 /// remove it.
  26 extern "C" int XCoreTargetMachineModule;
  27 int XCoreTargetMachineModule = 0;
  28
  29 namespace {
  30   // Register the target.
  31   RegisterTarget<XCoreTargetMachine> X("xcore", "XCore");
  32 }
  33
  34 const TargetAsmInfo *XCoreTargetMachine::createTargetAsmInfo() const {
  35   return new XCoreTargetAsmInfo(*this);
  36 }
  37
  38 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
  39 ///
  40 XCoreTargetMachine::XCoreTargetMachine(const Module &M, const std::string &FS)
  41   : Subtarget(*this, M, FS),
  42     DataLayout("e-p:32:32:32-a0:0:32-f32:32:32-f64:32:32-i1:8:32-i8:8:32-"
  43                "i16:16:32-i32:32:32-i64:32:32"),
  44     InstrInfo(),
  45     FrameInfo(*this),
  46     TLInfo(*this) {
  47 }
  48
  49 unsigned XCoreTargetMachine::getModuleMatchQuality(const Module &M) {
  50   std::string TT = M.getTargetTriple();
  51   if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "xcore-")
  52     return 20;
  53
  54   // Otherwise we don't match.
  55   return 0;
  56 }
  57
  58 bool XCoreTargetMachine::addInstSelector(PassManagerBase &PM,
  59                                          CodeGenOpt::Level OptLevel) {
  60   PM.add(createXCoreISelDag(*this));
  61   return false;
  62 }
  63
  64 bool XCoreTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
  65                                             CodeGenOpt::Level OptLevel,
  66                                             bool Verbose,
  67                                             raw_ostream &Out) {
  68   // Output assembly language.
  69   PM.add(createXCoreCodePrinterPass(Out, *this, OptLevel, Verbose));
  70   return false;
  71 }