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//===-- 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 "PowerPCTargetMachine.h"
#include "PowerPC.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/TargetMachineImpls.h"
#include "llvm/Transforms/Scalar.h"
using namespace llvm;
// allocatePowerPCTargetMachine - Allocate and return a subclass of
// TargetMachine that implements the PowerPC backend.
//
TargetMachine *llvm::allocatePowerPCTargetMachine(const Module &M,
IntrinsicLowering *IL) {
return new PowerPCTargetMachine(M, IL);
}
/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
///
/// FIXME: Should double alignment be 8 bytes? Then we get a PtrAl != DoubleAl abort
PowerPCTargetMachine::PowerPCTargetMachine(const Module &M,
IntrinsicLowering *IL)
: TargetMachine("PowerPC", IL, false, 4, 4, 4, 4, 4, 4, 4, 4),
FrameInfo(TargetFrameInfo::StackGrowsDown, 16, -4), JITInfo(*this) {
}
/// addPassesToEmitAssembly - Add passes to the specified pass manager
/// to implement a static compiler for this target.
///
bool PowerPCTargetMachine::addPassesToEmitAssembly(PassManager &PM,
std::ostream &Out) {
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
// FIXME: Implement the invoke/unwind instructions!
PM.add(createLowerInvokePass());
// FIXME: The code generator does not properly handle functions with
// unreachable basic blocks.
PM.add(createCFGSimplificationPass());
// FIXME: Implement the switch instruction in the instruction selector!
PM.add(createLowerSwitchPass());
PM.add(createPPCSimpleInstructionSelector(*this));
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(&std::cerr));
PM.add(createRegisterAllocator());
PM.add(createPrologEpilogCodeInserter());
PM.add(createPPCCodePrinterPass(Out, *this));
PM.add(createMachineCodeDeleter());
return false;
}
/// addPassesToJITCompile - Add passes to the specified pass manager to
/// implement a fast dynamic compiler for this target.
///
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: The code generator does not properly handle functions with
// unreachable basic blocks.
PM.add(createCFGSimplificationPass());
// FIXME: Implement the switch instruction in the instruction selector!
PM.add(createLowerSwitchPass());
PM.add(createPPCSimpleInstructionSelector(TM));
PM.add(createRegisterAllocator());
PM.add(createPrologEpilogCodeInserter());
}
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