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 "AlphaJITInfo.h"
  15 #include "AlphaTargetAsmInfo.h"
  16 #include "AlphaTargetMachine.h"
  17 #include "llvm/Module.h"
  18 #include "llvm/PassManager.h"
  19 #include "llvm/Target/TargetMachineRegistry.h"
  20 #include "llvm/Support/FormattedStream.h"
  21
  22 using namespace llvm;
  23
  24 // Register the targets
  25 static RegisterTarget<AlphaTargetMachine> X(TheAlphaTarget, "alpha",
  26                                             "Alpha [experimental]");
  27
  28 // Force static initialization.
  29 extern "C" void LLVMInitializeAlphaTarget() { }
  30
  31 const TargetAsmInfo *AlphaTargetMachine::createTargetAsmInfo() const {
  32   return new AlphaTargetAsmInfo(*this);
  33 }
  34
  35 AlphaTargetMachine::AlphaTargetMachine(const Target &T, const Module &M,
  36                                        const std::string &FS)
  37   : LLVMTargetMachine(T),
  38     DataLayout("e-f128:128:128"),
  39     FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
  40     JITInfo(*this),
  41     Subtarget(M, FS),
  42     TLInfo(*this) {
  43   setRelocationModel(Reloc::PIC_);
  44 }
  45
  46
  47 //===----------------------------------------------------------------------===//
  48 // Pass Pipeline Configuration
  49 //===----------------------------------------------------------------------===//
  50
  51 bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM,
  52                                          CodeGenOpt::Level OptLevel) {
  53   PM.add(createAlphaISelDag(*this));
  54   return false;
  55 }
  56 bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM,
  57                                         CodeGenOpt::Level OptLevel) {
  58   // Must run branch selection immediately preceding the asm printer
  59   PM.add(createAlphaBranchSelectionPass());
  60   PM.add(createAlphaLLRPPass(*this));
  61   return false;
  62 }
  63 bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM,
  64                                         CodeGenOpt::Level OptLevel,
  65                                         MachineCodeEmitter &MCE) {
  66   PM.add(createAlphaCodeEmitterPass(*this, MCE));
  67   return false;
  68 }
  69 bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM,
  70                                         CodeGenOpt::Level OptLevel,
  71                                         JITCodeEmitter &JCE) {
  72   PM.add(createAlphaJITCodeEmitterPass(*this, JCE));
  73   return false;
  74 }
  75 bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM,
  76                                         CodeGenOpt::Level OptLevel,
  77                                         ObjectCodeEmitter &OCE) {
  78   PM.add(createAlphaObjectCodeEmitterPass(*this, OCE));
  79   return false;
  80 }
  81 bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
  82                                               CodeGenOpt::Level OptLevel,
  83                                               MachineCodeEmitter &MCE) {
  84   return addCodeEmitter(PM, OptLevel, MCE);
  85 }
  86 bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
  87                                               CodeGenOpt::Level OptLevel,
  88                                               JITCodeEmitter &JCE) {
  89   return addCodeEmitter(PM, OptLevel, JCE);
  90 }
  91 bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
  92                                               CodeGenOpt::Level OptLevel,
  93                                               ObjectCodeEmitter &OCE) {
  94   return addCodeEmitter(PM, OptLevel, OCE);
  95 }
  96