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//===- WebAssemblyInstructionSelector.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
/// WebAssembly.
/// \todo This should be generated by TableGen.
//===----------------------------------------------------------------------===//
#include "GISel/WebAssemblyRegisterBankInfo.h"
#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "WebAssemblyRegisterInfo.h"
#include "WebAssemblySubtarget.h"
#include "WebAssemblyTargetMachine.h"
#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/GlobalISel/Utils.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/IR/IntrinsicsWebAssembly.h"
#define DEBUG_TYPE "wasm-isel"
using namespace llvm;
namespace {
#define GET_GLOBALISEL_PREDICATE_BITSET
#include "WebAssemblyGenGlobalISel.inc"
#undef GET_GLOBALISEL_PREDICATE_BITSET
class WebAssemblyInstructionSelector : public InstructionSelector {
public:
WebAssemblyInstructionSelector(const WebAssemblyTargetMachine &TM,
const WebAssemblySubtarget &STI,
const WebAssemblyRegisterBankInfo &RBI);
bool select(MachineInstr &I) override;
static const char *getName() { return DEBUG_TYPE; }
private:
bool selectImpl(MachineInstr &I, CodeGenCoverage &CoverageInfo) const;
const WebAssemblyTargetMachine &TM;
// const WebAssemblySubtarget &STI;
const WebAssemblyInstrInfo &TII;
const WebAssemblyRegisterInfo &TRI;
const WebAssemblyRegisterBankInfo &RBI;
#define GET_GLOBALISEL_PREDICATES_DECL
#include "WebAssemblyGenGlobalISel.inc"
#undef GET_GLOBALISEL_PREDICATES_DECL
#define GET_GLOBALISEL_TEMPORARIES_DECL
#include "WebAssemblyGenGlobalISel.inc"
#undef GET_GLOBALISEL_TEMPORARIES_DECL
};
} // end anonymous namespace
#define GET_GLOBALISEL_IMPL
#include "WebAssemblyGenGlobalISel.inc"
#undef GET_GLOBALISEL_IMPL
WebAssemblyInstructionSelector::WebAssemblyInstructionSelector(
const WebAssemblyTargetMachine &TM, const WebAssemblySubtarget &STI,
const WebAssemblyRegisterBankInfo &RBI)
: TM(TM), /*STI(STI),*/ TII(*STI.getInstrInfo()),
TRI(*STI.getRegisterInfo()), RBI(RBI),
#define GET_GLOBALISEL_PREDICATES_INIT
#include "WebAssemblyGenGlobalISel.inc"
#undef GET_GLOBALISEL_PREDICATES_INIT
#define GET_GLOBALISEL_TEMPORARIES_INIT
#include "WebAssemblyGenGlobalISel.inc"
#undef GET_GLOBALISEL_TEMPORARIES_INIT
{
}
bool WebAssemblyInstructionSelector::select(MachineInstr &I) {
if (selectImpl(I, *CoverageInfo))
return true;
return false;
}
namespace llvm {
InstructionSelector *
createWebAssemblyInstructionSelector(const WebAssemblyTargetMachine &TM,
const WebAssemblySubtarget &Subtarget,
const WebAssemblyRegisterBankInfo &RBI) {
return new WebAssemblyInstructionSelector(TM, Subtarget, RBI);
}
} // namespace llvm
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