mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 19:29:31 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18830 91177308-0d34-0410-b5e6-96231b3b80d8
181 lines
5.9 KiB
C++
181 lines
5.9 KiB
C++
//===-- PowerPCTargetMachine.cpp - Define TargetMachine for PowerPC -------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "PowerPC.h"
|
|
#include "PowerPCTargetMachine.h"
|
|
#include "PowerPCFrameInfo.h"
|
|
#include "PPC32TargetMachine.h"
|
|
#include "PPC64TargetMachine.h"
|
|
#include "PPC32JITInfo.h"
|
|
#include "PPC64JITInfo.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/PassManager.h"
|
|
#include "llvm/CodeGen/IntrinsicLowering.h"
|
|
#include "llvm/CodeGen/MachineFunction.h"
|
|
#include "llvm/CodeGen/Passes.h"
|
|
#include "llvm/Target/TargetOptions.h"
|
|
#include "llvm/Target/TargetMachineRegistry.h"
|
|
#include "llvm/Transforms/Scalar.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include <iostream>
|
|
using namespace llvm;
|
|
|
|
namespace llvm {
|
|
cl::opt<bool> AIX("aix",
|
|
cl::desc("Generate AIX/xcoff instead of Darwin/MachO"),
|
|
cl::Hidden);
|
|
}
|
|
|
|
namespace {
|
|
const std::string PPC32ID = "PowerPC/32bit";
|
|
const std::string PPC64ID = "PowerPC/64bit";
|
|
|
|
// Register the targets
|
|
RegisterTarget<PPC32TargetMachine>
|
|
X("ppc32", " PowerPC 32-bit");
|
|
|
|
#if 0
|
|
RegisterTarget<PPC64TargetMachine>
|
|
Y("ppc64", " PowerPC 64-bit (unimplemented)");
|
|
#endif
|
|
}
|
|
|
|
PowerPCTargetMachine::PowerPCTargetMachine(const std::string &name,
|
|
IntrinsicLowering *IL,
|
|
const TargetData &TD,
|
|
const PowerPCFrameInfo &TFI)
|
|
: TargetMachine(name, IL, TD), FrameInfo(TFI)
|
|
{}
|
|
|
|
unsigned PPC32TargetMachine::getJITMatchQuality() {
|
|
#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
|
|
return 10;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/// addPassesToEmitAssembly - Add passes to the specified pass manager
|
|
/// to implement a static compiler for this target.
|
|
///
|
|
bool PowerPCTargetMachine::addPassesToEmitAssembly(PassManager &PM,
|
|
std::ostream &Out) {
|
|
bool LP64 = (0 != dynamic_cast<PPC64TargetMachine *>(this));
|
|
|
|
// FIXME: Implement efficient support for garbage collection intrinsics.
|
|
PM.add(createLowerGCPass());
|
|
|
|
// FIXME: Implement the invoke/unwind instructions!
|
|
PM.add(createLowerInvokePass());
|
|
|
|
// FIXME: Implement the switch instruction in the instruction selector!
|
|
PM.add(createLowerSwitchPass());
|
|
|
|
PM.add(createLowerConstantExpressionsPass());
|
|
|
|
// Make sure that no unreachable blocks are instruction selected.
|
|
PM.add(createUnreachableBlockEliminationPass());
|
|
|
|
if (LP64)
|
|
PM.add(createPPC64ISelSimple(*this));
|
|
else
|
|
PM.add(createPPC32ISelSimple(*this));
|
|
|
|
if (PrintMachineCode)
|
|
PM.add(createMachineFunctionPrinterPass(&std::cerr));
|
|
|
|
PM.add(createRegisterAllocator());
|
|
|
|
if (PrintMachineCode)
|
|
PM.add(createMachineFunctionPrinterPass(&std::cerr));
|
|
|
|
PM.add(createPrologEpilogCodeInserter());
|
|
|
|
// Must run branch selection immediately preceding the asm printer
|
|
PM.add(createPPCBranchSelectionPass());
|
|
|
|
if (AIX)
|
|
PM.add(createAIXAsmPrinter(Out, *this));
|
|
else
|
|
PM.add(createDarwinAsmPrinter(Out, *this));
|
|
|
|
PM.add(createMachineCodeDeleter());
|
|
return false;
|
|
}
|
|
|
|
void PowerPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
|
|
// FIXME: Implement efficient support for garbage collection intrinsics.
|
|
PM.add(createLowerGCPass());
|
|
|
|
// FIXME: Implement the invoke/unwind instructions!
|
|
PM.add(createLowerInvokePass());
|
|
|
|
// FIXME: Implement the switch instruction in the instruction selector!
|
|
PM.add(createLowerSwitchPass());
|
|
|
|
PM.add(createLowerConstantExpressionsPass());
|
|
|
|
// Make sure that no unreachable blocks are instruction selected.
|
|
PM.add(createUnreachableBlockEliminationPass());
|
|
|
|
PM.add(createPPC32ISelSimple(TM));
|
|
PM.add(createRegisterAllocator());
|
|
PM.add(createPrologEpilogCodeInserter());
|
|
|
|
// Must run branch selection immediately preceding the asm printer
|
|
PM.add(createPPCBranchSelectionPass());
|
|
|
|
if (PrintMachineCode)
|
|
PM.add(createMachineFunctionPrinterPass(&std::cerr));
|
|
}
|
|
|
|
/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
|
|
///
|
|
PPC32TargetMachine::PPC32TargetMachine(const Module &M, IntrinsicLowering *IL)
|
|
: PowerPCTargetMachine(PPC32ID, IL,
|
|
TargetData(PPC32ID,false,4,4,4,4,4,4,2,1,1),
|
|
PowerPCFrameInfo(*this, false)), JITInfo(*this) {}
|
|
|
|
/// PPC64TargetMachine ctor - Create a LP64 architecture model
|
|
///
|
|
PPC64TargetMachine::PPC64TargetMachine(const Module &M, IntrinsicLowering *IL)
|
|
: PowerPCTargetMachine(PPC64ID, IL,
|
|
TargetData(PPC64ID,false,8,4,4,4,4,4,2,1,1),
|
|
PowerPCFrameInfo(*this, true)) {}
|
|
|
|
unsigned PPC32TargetMachine::getModuleMatchQuality(const Module &M) {
|
|
// We strongly match "powerpc-*".
|
|
std::string TT = M.getTargetTriple();
|
|
if (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "powerpc-")
|
|
return 20;
|
|
|
|
if (M.getEndianness() == Module::BigEndian &&
|
|
M.getPointerSize() == Module::Pointer32)
|
|
return 10; // Weak match
|
|
else if (M.getEndianness() != Module::AnyEndianness ||
|
|
M.getPointerSize() != Module::AnyPointerSize)
|
|
return 0; // Match for some other target
|
|
|
|
return getJITMatchQuality()/2;
|
|
}
|
|
|
|
unsigned PPC64TargetMachine::getModuleMatchQuality(const Module &M) {
|
|
if (M.getEndianness() == Module::BigEndian &&
|
|
M.getPointerSize() == Module::Pointer64)
|
|
return 10; // Direct match
|
|
else if (M.getEndianness() != Module::AnyEndianness ||
|
|
M.getPointerSize() != Module::AnyPointerSize)
|
|
return 0; // Match for some other target
|
|
|
|
return getJITMatchQuality()/2;
|
|
}
|