lib/Target/Alpha/AlphaTargetMachine.cpp

   1 //===-- AlphaTargetMachine.cpp - Define TargetMachine for Alpha -----------===//
   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 "Alpha.h"
  14 #include "AlphaMCAsmInfo.h"
  15 #include "AlphaTargetMachine.h"
  16 #include "llvm/PassManager.h"
  17 #include "llvm/Support/FormattedStream.h"
  18 #include "llvm/Target/TargetRegistry.h"
  19 using namespace llvm;
  20
  21 extern "C" void LLVMInitializeAlphaTarget() {
  22   // Register the target.
  23   RegisterTargetMachine<AlphaTargetMachine> X(TheAlphaTarget);
  24   RegisterAsmInfo<AlphaMCAsmInfo> Y(TheAlphaTarget);
  25 }
  26
  27 AlphaTargetMachine::AlphaTargetMachine(const Target &T, const std::string &TT,
  28                                        const std::string &FS)
  29   : LLVMTargetMachine(T, TT),
  30     DataLayout("e-f128:128:128-n64"),
  31     FrameLowering(Subtarget),
  32     Subtarget(TT, FS),
  33     TLInfo(*this),
  34     TSInfo(*this) {
  35   setRelocationModel(Reloc::PIC_);
  36 }
  37
  38
  39 //===----------------------------------------------------------------------===//
  40 // Pass Pipeline Configuration
  41 //===----------------------------------------------------------------------===//
  42
  43 bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM,
  44                                          CodeGenOpt::Level OptLevel) {
  45   PM.add(createAlphaISelDag(*this));
  46   return false;
  47 }
  48 bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM,
  49                                         CodeGenOpt::Level OptLevel) {
  50   // Must run branch selection immediately preceding the asm printer
  51   PM.add(createAlphaBranchSelectionPass());
  52   PM.add(createAlphaLLRPPass(*this));
  53   return false;
  54 }