1 //===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
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 "SparcMCAsmInfo.h"
14 #include "SparcTargetMachine.h"
15 #include "Sparc.h"
16 #include "llvm/PassManager.h"
17 #include "llvm/Target/TargetRegistry.h"
18 using namespace llvm;
19 
20 extern "C" void LLVMInitializeSparcTarget() {
21   // Register the target.
22   RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
23   RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
24 
25   RegisterAsmInfo<SparcELFMCAsmInfo> A(TheSparcTarget);
26   RegisterAsmInfo<SparcELFMCAsmInfo> B(TheSparcV9Target);
27 
28 }
29 
30 /// SparcTargetMachine ctor - Create an ILP32 architecture model
31 ///
32 SparcTargetMachine::SparcTargetMachine(const Target &T, const std::string &TT,
33                                        const std::string &FS, bool is64bit)
34   : LLVMTargetMachine(T, TT),
35     Subtarget(TT, FS, is64bit),
36     DataLayout(Subtarget.getDataLayout()),
37      TLInfo(*this), TSInfo(*this), InstrInfo(Subtarget),
38     FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
39 }
40 
41 bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
42                                          CodeGenOpt::Level OptLevel) {
43   PM.add(createSparcISelDag(*this));
44   return false;
45 }
46 
47 /// addPreEmitPass - This pass may be implemented by targets that want to run
48 /// passes immediately before machine code is emitted.  This should return
49 /// true if -print-machineinstrs should print out the code after the passes.
50 bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
51                                         CodeGenOpt::Level OptLevel){
52   PM.add(createSparcFPMoverPass(*this));
53   PM.add(createSparcDelaySlotFillerPass(*this));
54   return true;
55 }
56 
57 SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
58                                            const std::string &TT,
59                                            const std::string &FS)
60   : SparcTargetMachine(T, TT, FS, false) {
61 }
62 
63 SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
64                                            const std::string &TT,
65                                            const std::string &FS)
66   : SparcTargetMachine(T, TT, FS, true) {
67 }
68