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/Support/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, StringRef TT,
  26                                        StringRef CPU, StringRef FS,
  27                                        Reloc::Model RM, CodeModel::Model CM)
  28   : LLVMTargetMachine(T, TT, CPU, FS, RM, CM),
  29     DataLayout("e-f128:128:128-n64"),
  30     FrameLowering(Subtarget),
  31     Subtarget(TT, CPU, FS),
  32     TLInfo(*this),
  33     TSInfo(*this) {
  34 }
  35
  36 //===----------------------------------------------------------------------===//
  37 // Pass Pipeline Configuration
  38 //===----------------------------------------------------------------------===//
  39
  40 bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM,
  41                                          CodeGenOpt::Level OptLevel) {
  42   PM.add(createAlphaISelDag(*this));
  43   return false;
  44 }
  45 bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM,
  46                                         CodeGenOpt::Level OptLevel) {
  47   // Must run branch selection immediately preceding the asm printer
  48   PM.add(createAlphaBranchSelectionPass());
  49   PM.add(createAlphaLLRPPass(*this));
  50   return false;
  51 }