lib/Target/IA64/IA64TargetMachine.cpp

   1 //===-- IA64TargetMachine.cpp - Define TargetMachine for IA64 -------------===//
   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 implements the IA64 specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "IA64TargetAsmInfo.h"
  15 #include "IA64TargetMachine.h"
  16 #include "IA64.h"
  17 #include "llvm/Module.h"
  18 #include "llvm/PassManager.h"
  19 #include "llvm/Target/TargetMachineRegistry.h"
  20 using namespace llvm;
  21
  22 // Register the target
  23 extern Target TheIA64Target;
  24 static RegisterTarget<IA64TargetMachine> X(TheIA64Target, "ia64",
  25                                            "IA-64 (Itanium) [experimental]");
  26
  27 // Force static initialization.
  28 extern "C" void LLVMInitializeIA64Target() { }
  29
  30 const TargetAsmInfo *IA64TargetMachine::createTargetAsmInfo() const {
  31   return new IA64TargetAsmInfo(*this);
  32 }
  33
  34 /// IA64TargetMachine ctor - Create an LP64 architecture model
  35 ///
  36 IA64TargetMachine::IA64TargetMachine(const Target &T, const Module &M,
  37                                      const std::string &FS)
  38   : LLVMTargetMachine(T),
  39     DataLayout("e-f80:128:128"),
  40     FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
  41     TLInfo(*this) { // FIXME? check this stuff
  42 }
  43
  44
  45 //===----------------------------------------------------------------------===//
  46 // Pass Pipeline Configuration
  47 //===----------------------------------------------------------------------===//
  48
  49 bool IA64TargetMachine::addInstSelector(PassManagerBase &PM,
  50                                         CodeGenOpt::Level OptLevel) {
  51   PM.add(createIA64DAGToDAGInstructionSelector(*this));
  52   return false;
  53 }
  54
  55 bool IA64TargetMachine::addPreEmitPass(PassManagerBase &PM,
  56                                        CodeGenOpt::Level OptLevel) {
  57   // Make sure everything is bundled happily
  58   PM.add(createIA64BundlingPass(*this));
  59   return true;
  60 }
  61 bool IA64TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
  62                                            CodeGenOpt::Level OptLevel,
  63                                            bool Verbose,
  64                                            formatted_raw_ostream &Out) {
  65   FunctionPass *Printer = getTarget().createAsmPrinter(Out, *this, Verbose);
  66   if (!Printer)
  67     llvm_report_error("unable to create assembly printer");
  68   PM.add(Printer);
  69   return false;
  70 }