1 //===-- PIC16TargetMachine.cpp - Define TargetMachine for PIC16 -----------===//
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 PIC16 target.
12 //===----------------------------------------------------------------------===//
15 #include "PIC16TargetAsmInfo.h"
16 #include "PIC16TargetMachine.h"
17 #include "llvm/Module.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/CodeGen/Passes.h"
20 #include "llvm/Target/TargetAsmInfo.h"
21 #include "llvm/Target/TargetMachineRegistry.h"
25 /// PIC16TargetMachineModule - Note that this is used on hosts that
26 /// cannot link in a library unless there are references into the
27 /// library. In particular, it seems that it is not possible to get
28 /// things to work on Win32 without this. Though it is unused, do not
30 extern "C" int PIC16TargetMachineModule;
31 int PIC16TargetMachineModule = 0;
34 // Register the targets
35 static RegisterTarget<PIC16TargetMachine>
36 X("pic16", "PIC16 14-bit [experimental].");
37 static RegisterTarget<CooperTargetMachine>
38 Y("cooper", "PIC16 Cooper [experimental].");
40 // Force static initialization.
41 extern "C" void LLVMInitializePIC16Target() { }
43 // PIC16TargetMachine - Traditional PIC16 Machine.
44 PIC16TargetMachine::PIC16TargetMachine(const Module &M, const std::string &FS,
46 : Subtarget(M, FS, Cooper),
47 DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
48 InstrInfo(*this), TLInfo(*this),
49 FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
51 // CooperTargetMachine - Uses the same PIC16TargetMachine, but makes IsCooper
53 CooperTargetMachine::CooperTargetMachine(const Module &M, const std::string &FS)
54 : PIC16TargetMachine(M, FS, true) {}
57 const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const {
58 return new PIC16TargetAsmInfo(*this);
61 bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM,
62 CodeGenOpt::Level OptLevel) {
63 // Install an instruction selector.
64 PM.add(createPIC16ISelDag(*this));
68 bool PIC16TargetMachine::
69 addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
70 bool Verbose, raw_ostream &Out) {
71 // Output assembly language.
72 PM.add(createPIC16CodePrinterPass(Out, *this, OptLevel, Verbose));
76 bool PIC16TargetMachine::addPostRegAlloc(PassManagerBase &PM,
77 CodeGenOpt::Level OptLevel) {
78 PM.add(createPIC16MemSelOptimizerPass());
79 return true; // -print-machineinstr should print after this.