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100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
//===-- PowerPCTargetMachine.cpp - Define TargetMachine for PowerPC -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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#include "PowerPCTargetMachine.h"
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#include "PowerPC.h"
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include "llvm/CodeGen/IntrinsicLowering.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/Target/TargetMachineImpls.h"
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#include "llvm/Transforms/Scalar.h"
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using namespace llvm;
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// allocatePowerPCTargetMachine - Allocate and return a subclass of
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// TargetMachine that implements the PowerPC backend.
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//
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TargetMachine *llvm::allocatePowerPCTargetMachine(const Module &M,
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IntrinsicLowering *IL) {
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return new PowerPCTargetMachine(M, IL);
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}
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/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
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///
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/// FIXME: Should double alignment be 8 bytes? Then we get a PtrAl != DoubleAl
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/// abort
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PowerPCTargetMachine::PowerPCTargetMachine(const Module &M,
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IntrinsicLowering *IL)
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: TargetMachine("PowerPC", IL, false, 4, 4, 4, 4, 4, 4, 4, 4),
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FrameInfo(TargetFrameInfo::StackGrowsDown, 16, -4), JITInfo(*this) {
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}
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/// addPassesToEmitAssembly - Add passes to the specified pass manager
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/// to implement a static compiler for this target.
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///
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bool PowerPCTargetMachine::addPassesToEmitAssembly(PassManager &PM,
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std::ostream &Out) {
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// FIXME: Implement efficient support for garbage collection intrinsics.
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PM.add(createLowerGCPass());
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// FIXME: Implement the invoke/unwind instructions!
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PM.add(createLowerInvokePass());
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// FIXME: Implement the switch instruction in the instruction selector!
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PM.add(createLowerSwitchPass());
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PM.add(createLowerConstantExpressionsPass());
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// Make sure that no unreachable blocks are instruction selected.
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PM.add(createUnreachableBlockEliminationPass());
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PM.add(createPPCSimpleInstructionSelector(*this));
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if (PrintMachineCode)
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PM.add(createMachineFunctionPrinterPass(&std::cerr));
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PM.add(createRegisterAllocator());
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if (PrintMachineCode)
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PM.add(createMachineFunctionPrinterPass(&std::cerr));
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PM.add(createPrologEpilogCodeInserter());
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PM.add(createPPCCodePrinterPass(Out, *this));
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PM.add(createMachineCodeDeleter());
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return false;
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}
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/// addPassesToJITCompile - Add passes to the specified pass manager to
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/// implement a fast dynamic compiler for this target.
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///
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void PowerPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
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// FIXME: Implement efficient support for garbage collection intrinsics.
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PM.add(createLowerGCPass());
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// FIXME: Implement the invoke/unwind instructions!
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PM.add(createLowerInvokePass());
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// FIXME: Implement the switch instruction in the instruction selector!
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PM.add(createLowerSwitchPass());
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PM.add(createLowerConstantExpressionsPass());
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// Make sure that no unreachable blocks are instruction selected.
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PM.add(createUnreachableBlockEliminationPass());
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PM.add(createPPCSimpleInstructionSelector(TM));
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PM.add(createRegisterAllocator());
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PM.add(createPrologEpilogCodeInserter());
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}
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