93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
|
//===- PPCInstructionSelector.cpp --------------------------------*- C++ -*-==//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
/// \file
|
||
|
|
/// This file implements the targeting of the InstructionSelector class for
|
||
|
|
/// PowerPC.
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "PPCInstrInfo.h"
|
||
|
|
#include "PPCRegisterBankInfo.h"
|
||
|
|
#include "PPCSubtarget.h"
|
||
|
|
#include "PPCTargetMachine.h"
|
||
|
|
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
|
||
|
|
#include "llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h"
|
||
|
|
#include "llvm/CodeGen/MachineFunction.h"
|
||
|
|
#include "llvm/IR/IntrinsicsPowerPC.h"
|
||
|
|
#include "llvm/Support/Debug.h"
|
||
|
|
|
||
|
|
#define DEBUG_TYPE "ppc-gisel"
|
||
|
|
|
||
|
|
using namespace llvm;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
#define GET_GLOBALISEL_PREDICATE_BITSET
|
||
|
|
#include "PPCGenGlobalISel.inc"
|
||
|
|
#undef GET_GLOBALISEL_PREDICATE_BITSET
|
||
|
|
|
||
|
|
class PPCInstructionSelector : public InstructionSelector {
|
||
|
|
public:
|
||
|
|
PPCInstructionSelector(const PPCTargetMachine &TM, const PPCSubtarget &STI,
|
||
|
|
const PPCRegisterBankInfo &RBI);
|
||
|
|
|
||
|
|
bool select(MachineInstr &I) override;
|
||
|
|
static const char *getName() { return DEBUG_TYPE; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
/// tblgen generated 'select' implementation that is used as the initial
|
||
|
|
/// selector for the patterns that do not require complex C++.
|
||
|
|
bool selectImpl(MachineInstr &I, CodeGenCoverage &CoverageInfo) const;
|
||
|
|
|
||
|
|
const PPCInstrInfo &TII;
|
||
|
|
const PPCRegisterInfo &TRI;
|
||
|
|
const PPCRegisterBankInfo &RBI;
|
||
|
|
|
||
|
|
#define GET_GLOBALISEL_PREDICATES_DECL
|
||
|
|
#include "PPCGenGlobalISel.inc"
|
||
|
|
#undef GET_GLOBALISEL_PREDICATES_DECL
|
||
|
|
|
||
|
|
#define GET_GLOBALISEL_TEMPORARIES_DECL
|
||
|
|
#include "PPCGenGlobalISel.inc"
|
||
|
|
#undef GET_GLOBALISEL_TEMPORARIES_DECL
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end anonymous namespace
|
||
|
|
|
||
|
|
#define GET_GLOBALISEL_IMPL
|
||
|
|
#include "PPCGenGlobalISel.inc"
|
||
|
|
#undef GET_GLOBALISEL_IMPL
|
||
|
|
|
||
|
|
PPCInstructionSelector::PPCInstructionSelector(const PPCTargetMachine &TM,
|
||
|
|
const PPCSubtarget &STI,
|
||
|
|
const PPCRegisterBankInfo &RBI)
|
||
|
|
: InstructionSelector(), TII(*STI.getInstrInfo()),
|
||
|
|
TRI(*STI.getRegisterInfo()), RBI(RBI),
|
||
|
|
#define GET_GLOBALISEL_PREDICATES_INIT
|
||
|
|
#include "PPCGenGlobalISel.inc"
|
||
|
|
#undef GET_GLOBALISEL_PREDICATES_INIT
|
||
|
|
#define GET_GLOBALISEL_TEMPORARIES_INIT
|
||
|
|
#include "PPCGenGlobalISel.inc"
|
||
|
|
#undef GET_GLOBALISEL_TEMPORARIES_INIT
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
bool PPCInstructionSelector::select(MachineInstr &I) {
|
||
|
|
if (selectImpl(I, *CoverageInfo))
|
||
|
|
return true;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
InstructionSelector *
|
||
|
|
createPPCInstructionSelector(const PPCTargetMachine &TM,
|
||
|
|
const PPCSubtarget &Subtarget,
|
||
|
|
const PPCRegisterBankInfo &RBI) {
|
||
|
|
return new PPCInstructionSelector(TM, Subtarget, RBI);
|
||
|
|
}
|
||
|
|
} // end namespace llvm
|