llvm-6502/lib/Target/PIC16/PIC16TargetMachine.cpp
Sanjiv Gupta d8d27f4a4b Emit banksel and movlp instructions.
Split large global data (both initialized and un-initialized) into multiple sections of <= 80 bytes.
Provide routines to manage PIC16 ABI naming conventions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71073 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06 08:02:01 +00:00

80 lines
2.7 KiB
C++

//===-- PIC16TargetMachine.cpp - Define TargetMachine for PIC16 -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Top-level implementation for the PIC16 target.
//
//===----------------------------------------------------------------------===//
#include "PIC16.h"
#include "PIC16TargetAsmInfo.h"
#include "PIC16TargetMachine.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
/// PIC16TargetMachineModule - Note that this is used on hosts that
/// cannot link in a library unless there are references into the
/// library. In particular, it seems that it is not possible to get
/// things to work on Win32 without this. Though it is unused, do not
/// remove it.
extern "C" int PIC16TargetMachineModule;
int PIC16TargetMachineModule = 0;
// Register the targets
static RegisterTarget<PIC16TargetMachine>
X("pic16", "PIC16 14-bit [experimental].");
static RegisterTarget<CooperTargetMachine>
Y("cooper", "PIC16 Cooper [experimental].");
// PIC16TargetMachine - Traditional PIC16 Machine.
PIC16TargetMachine::PIC16TargetMachine(const Module &M, const std::string &FS,
bool Cooper)
: Subtarget(M, FS, Cooper),
DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
InstrInfo(*this), TLInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
// CooperTargetMachine - Uses the same PIC16TargetMachine, but makes IsCooper
// as true.
CooperTargetMachine::CooperTargetMachine(const Module &M, const std::string &FS)
: PIC16TargetMachine(M, FS, true) {}
const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const {
return new PIC16TargetAsmInfo(*this);
}
bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
// Install an instruction selector.
PM.add(createPIC16ISelDag(*this));
return false;
}
bool PIC16TargetMachine::
addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
bool Verbose, raw_ostream &Out) {
// Output assembly language.
PM.add(createPIC16CodePrinterPass(Out, *this, OptLevel, Verbose));
return false;
}
bool PIC16TargetMachine::addPostRegAlloc(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
PM.add(createPIC16MemSelOptimizerPass());
return true; // -print-machineinstr should print after this.
}