1 //===-- PTXTargetMachine.cpp - Define TargetMachine for PTX ---------------===//
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 PTX target.
12 //===----------------------------------------------------------------------===//
15 #include "PTXTargetMachine.h"
16 #include "llvm/PassManager.h"
17 #include "llvm/Target/TargetRegistry.h"
18 #include "llvm/Support/raw_ostream.h"
23 MCStreamer *createPTXAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
24 bool isVerboseAsm, bool useLoc,
26 MCInstPrinter *InstPrint,
28 TargetAsmBackend *TAB,
32 extern "C" void LLVMInitializePTXTarget() {
34 RegisterTargetMachine<PTX32TargetMachine> X(ThePTX32Target);
35 RegisterTargetMachine<PTX64TargetMachine> Y(ThePTX64Target);
37 TargetRegistry::RegisterAsmStreamer(ThePTX32Target, createPTXAsmStreamer);
38 TargetRegistry::RegisterAsmStreamer(ThePTX64Target, createPTXAsmStreamer);
42 const char* DataLayout32 =
43 "e-p:32:32-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64";
44 const char* DataLayout64 =
45 "e-p:64:64-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64";
48 // DataLayout and FrameLowering are filled with dummy data
49 PTXTargetMachine::PTXTargetMachine(const Target &T,
50 const std::string &TT,
51 const std::string &CPU,
52 const std::string &FS,
54 : LLVMTargetMachine(T, TT, CPU, FS),
55 DataLayout(is64Bit ? DataLayout64 : DataLayout32),
56 Subtarget(TT, CPU, FS, is64Bit),
57 FrameLowering(Subtarget),
62 PTX32TargetMachine::PTX32TargetMachine(const Target &T,
63 const std::string& TT,
64 const std::string& CPU,
65 const std::string& FS)
66 : PTXTargetMachine(T, TT, CPU, FS, false) {
69 PTX64TargetMachine::PTX64TargetMachine(const Target &T,
70 const std::string& TT,
71 const std::string& CPU,
72 const std::string& FS)
73 : PTXTargetMachine(T, TT, CPU, FS, true) {
76 bool PTXTargetMachine::addInstSelector(PassManagerBase &PM,
77 CodeGenOpt::Level OptLevel) {
78 PM.add(createPTXISelDag(*this, OptLevel));
82 bool PTXTargetMachine::addPostRegAlloc(PassManagerBase &PM,
83 CodeGenOpt::Level OptLevel) {
84 // PTXMFInfoExtract must after register allocation!
85 PM.add(createPTXMFInfoExtract(*this, OptLevel));