1 //===-- NVPTXTargetMachine.cpp - Define TargetMachine for NVPTX -----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Top-level implementation for the NVPTX target.
12 //===----------------------------------------------------------------------===//
14 #include "NVPTXTargetMachine.h"
15 #include "MCTargetDesc/NVPTXMCAsmInfo.h"
17 #include "NVPTXAllocaHoisting.h"
18 #include "NVPTXLowerAggrCopies.h"
19 #include "NVPTXSplitBBatBar.h"
20 #include "llvm/ADT/OwningPtr.h"
21 #include "llvm/Analysis/Passes.h"
22 #include "llvm/Analysis/Verifier.h"
23 #include "llvm/Assembly/PrintModulePass.h"
24 #include "llvm/CodeGen/AsmPrinter.h"
25 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
26 #include "llvm/CodeGen/MachineModuleInfo.h"
27 #include "llvm/CodeGen/Passes.h"
28 #include "llvm/IR/DataLayout.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/PassManager.h"
34 #include "llvm/Support/CommandLine.h"
35 #include "llvm/Support/Debug.h"
36 #include "llvm/Support/FormattedStream.h"
37 #include "llvm/Support/TargetRegistry.h"
38 #include "llvm/Support/raw_ostream.h"
39 #include "llvm/Target/TargetInstrInfo.h"
40 #include "llvm/Target/TargetLowering.h"
41 #include "llvm/Target/TargetLoweringObjectFile.h"
42 #include "llvm/Target/TargetMachine.h"
43 #include "llvm/Target/TargetOptions.h"
44 #include "llvm/Target/TargetRegisterInfo.h"
45 #include "llvm/Target/TargetSubtargetInfo.h"
46 #include "llvm/Transforms/Scalar.h"
51 void initializeNVVMReflectPass(PassRegistry&);
54 extern "C" void LLVMInitializeNVPTXTarget() {
55 // Register the target.
56 RegisterTargetMachine<NVPTXTargetMachine32> X(TheNVPTXTarget32);
57 RegisterTargetMachine<NVPTXTargetMachine64> Y(TheNVPTXTarget64);
59 RegisterMCAsmInfo<NVPTXMCAsmInfo> A(TheNVPTXTarget32);
60 RegisterMCAsmInfo<NVPTXMCAsmInfo> B(TheNVPTXTarget64);
62 // FIXME: This pass is really intended to be invoked during IR optimization,
63 // but it's very NVPTX-specific.
64 initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
67 NVPTXTargetMachine::NVPTXTargetMachine(
68 const Target &T, StringRef TT, StringRef CPU, StringRef FS,
69 const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
70 CodeGenOpt::Level OL, bool is64bit)
71 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
72 Subtarget(TT, CPU, FS, is64bit), DL(Subtarget.getDataLayout()),
73 InstrInfo(*this), TLInfo(*this), TSInfo(*this),
75 *this, is64bit) /*FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0)*/ {
79 void NVPTXTargetMachine32::anchor() {}
81 NVPTXTargetMachine32::NVPTXTargetMachine32(
82 const Target &T, StringRef TT, StringRef CPU, StringRef FS,
83 const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
85 : NVPTXTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {}
87 void NVPTXTargetMachine64::anchor() {}
89 NVPTXTargetMachine64::NVPTXTargetMachine64(
90 const Target &T, StringRef TT, StringRef CPU, StringRef FS,
91 const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
93 : NVPTXTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
96 class NVPTXPassConfig : public TargetPassConfig {
98 NVPTXPassConfig(NVPTXTargetMachine *TM, PassManagerBase &PM)
99 : TargetPassConfig(TM, PM) {}
101 NVPTXTargetMachine &getNVPTXTargetMachine() const {
102 return getTM<NVPTXTargetMachine>();
105 virtual bool addInstSelector();
106 virtual bool addPreRegAlloc();
110 TargetPassConfig *NVPTXTargetMachine::createPassConfig(PassManagerBase &PM) {
111 NVPTXPassConfig *PassConfig = new NVPTXPassConfig(this, PM);
115 bool NVPTXPassConfig::addInstSelector() {
116 addPass(createLowerAggrCopies());
117 addPass(createSplitBBatBarPass());
118 addPass(createAllocaHoisting());
119 addPass(createNVPTXISelDag(getNVPTXTargetMachine(), getOptLevel()));
123 bool NVPTXPassConfig::addPreRegAlloc() { return false; }