contrib/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp

   1 //===-- NVPTXTargetMachine.cpp - Define TargetMachine for NVPTX -----------===//
   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 // Top-level implementation for the NVPTX target.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "NVPTXTargetMachine.h"
  15 #include "NVPTX.h"
  16 #include "NVPTXSplitBBatBar.h"
  17 #include "NVPTXLowerAggrCopies.h"
  18 #include "MCTargetDesc/NVPTXMCAsmInfo.h"
  19 #include "NVPTXAllocaHoisting.h"
  20 #include "llvm/PassManager.h"
  21 #include "llvm/Analysis/Passes.h"
  22 #include "llvm/Analysis/Verifier.h"
  23 #include "llvm/Assembly/PrintModulePass.h"
  24 #include "llvm/ADT/OwningPtr.h"
  25 #include "llvm/CodeGen/AsmPrinter.h"
  26 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
  27 #include "llvm/CodeGen/MachineModuleInfo.h"
  28 #include "llvm/CodeGen/Passes.h"
  29 #include "llvm/MC/MCAsmInfo.h"
  30 #include "llvm/MC/MCInstrInfo.h"
  31 #include "llvm/MC/MCStreamer.h"
  32 #include "llvm/MC/MCSubtargetInfo.h"
  33 #include "llvm/Support/TargetRegistry.h"
  34 #include "llvm/Support/raw_ostream.h"
  35 #include "llvm/DataLayout.h"
  36 #include "llvm/Target/TargetInstrInfo.h"
  37 #include "llvm/Target/TargetLowering.h"
  38 #include "llvm/Target/TargetLoweringObjectFile.h"
  39 #include "llvm/Target/TargetMachine.h"
  40 #include "llvm/Target/TargetOptions.h"
  41 #include "llvm/Target/TargetRegisterInfo.h"
  42 #include "llvm/Target/TargetSubtargetInfo.h"
  43 #include "llvm/Transforms/Scalar.h"
  44 #include "llvm/Support/CommandLine.h"
  45 #include "llvm/Support/Debug.h"
  46 #include "llvm/Support/FormattedStream.h"
  47 #include "llvm/Support/TargetRegistry.h"
  48
  49
  50 using namespace llvm;
  51
  52
  53 extern "C" void LLVMInitializeNVPTXTarget() {
  54   // Register the target.
  55   RegisterTargetMachine<NVPTXTargetMachine32> X(TheNVPTXTarget32);
  56   RegisterTargetMachine<NVPTXTargetMachine64> Y(TheNVPTXTarget64);
  57
  58   RegisterMCAsmInfo<NVPTXMCAsmInfo> A(TheNVPTXTarget32);
  59   RegisterMCAsmInfo<NVPTXMCAsmInfo> B(TheNVPTXTarget64);
  60
  61 }
  62
  63 NVPTXTargetMachine::NVPTXTargetMachine(const Target &T,
  64                                        StringRef TT,
  65                                        StringRef CPU,
  66                                        StringRef FS,
  67                                        const TargetOptions& Options,
  68                                        Reloc::Model RM,
  69                                        CodeModel::Model CM,
  70                                        CodeGenOpt::Level OL,
  71                                        bool is64bit)
  72 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
  73   Subtarget(TT, CPU, FS, is64bit),
  74   DL(Subtarget.getDataLayout()),
  75   InstrInfo(*this), TLInfo(*this), TSInfo(*this), FrameLowering(*this,is64bit),
  76   STTI(&TLInfo), VTTI(&TLInfo)
  77 /*FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0)*/ {
  78 }
  79
  80
  81
  82 void NVPTXTargetMachine32::anchor() {}
  83
  84 NVPTXTargetMachine32::NVPTXTargetMachine32(const Target &T, StringRef TT,
  85                                            StringRef CPU, StringRef FS,
  86                                            const TargetOptions &Options,
  87                                            Reloc::Model RM, CodeModel::Model CM,
  88                                            CodeGenOpt::Level OL)
  89 : NVPTXTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
  90 }
  91
  92 void NVPTXTargetMachine64::anchor() {}
  93
  94 NVPTXTargetMachine64::NVPTXTargetMachine64(const Target &T, StringRef TT,
  95                                            StringRef CPU, StringRef FS,
  96                                            const TargetOptions &Options,
  97                                            Reloc::Model RM, CodeModel::Model CM,
  98                                            CodeGenOpt::Level OL)
  99 : NVPTXTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
 100 }
 101
 102
 103 namespace llvm {
 104 class NVPTXPassConfig : public TargetPassConfig {
 105 public:
 106   NVPTXPassConfig(NVPTXTargetMachine *TM, PassManagerBase &PM)
 107   : TargetPassConfig(TM, PM) {}
 108
 109   NVPTXTargetMachine &getNVPTXTargetMachine() const {
 110     return getTM<NVPTXTargetMachine>();
 111   }
 112
 113   virtual bool addInstSelector();
 114   virtual bool addPreRegAlloc();
 115 };
 116 }
 117
 118 TargetPassConfig *NVPTXTargetMachine::createPassConfig(PassManagerBase &PM) {
 119   NVPTXPassConfig *PassConfig = new NVPTXPassConfig(this, PM);
 120   return PassConfig;
 121 }
 122
 123 bool NVPTXPassConfig::addInstSelector() {
 124   addPass(createLowerAggrCopies());
 125   addPass(createSplitBBatBarPass());
 126   addPass(createAllocaHoisting());
 127   addPass(createNVPTXISelDag(getNVPTXTargetMachine(), getOptLevel()));
 128   addPass(createVectorElementizePass(getNVPTXTargetMachine()));
 129   return false;
 130 }
 131
 132 bool NVPTXPassConfig::addPreRegAlloc() {
 133   return false;
 134 }