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