llvm-for-llvmta/utils/TableGen/GlobalISel/GIMatchDagPredicate.cpp

70 lines
2.3 KiB
C++

//===- GIMatchDagPredicate.cpp - Represent a predicate to check -----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "GIMatchDagPredicate.h"
#include "llvm/TableGen/Record.h"
#include "GIMatchDagOperands.h"
#include "../CodeGenInstruction.h"
using namespace llvm;
void GIMatchDagPredicate::print(raw_ostream &OS) const {
OS << "<<";
printDescription(OS);
OS << ">>:$" << Name;
}
void GIMatchDagPredicate::printDescription(raw_ostream &OS) const { OS << ""; }
GIMatchDagOpcodePredicate::GIMatchDagOpcodePredicate(
GIMatchDagContext &Ctx, StringRef Name, const CodeGenInstruction &Instr)
: GIMatchDagPredicate(GIMatchDagPredicateKind_Opcode, Name,
Ctx.makeMIPredicateOperandList()),
Instr(Instr) {}
void GIMatchDagOpcodePredicate::printDescription(raw_ostream &OS) const {
OS << "$mi.getOpcode() == " << Instr.TheDef->getName();
}
GIMatchDagOneOfOpcodesPredicate::GIMatchDagOneOfOpcodesPredicate(
GIMatchDagContext &Ctx, StringRef Name)
: GIMatchDagPredicate(GIMatchDagPredicateKind_OneOfOpcodes, Name,
Ctx.makeMIPredicateOperandList()) {}
void GIMatchDagOneOfOpcodesPredicate::printDescription(raw_ostream &OS) const {
OS << "$mi.getOpcode() == oneof(";
StringRef Separator = "";
for (const CodeGenInstruction *Instr : Instrs) {
OS << Separator << Instr->TheDef->getName();
Separator = ",";
}
OS << ")";
}
GIMatchDagSameMOPredicate::GIMatchDagSameMOPredicate(GIMatchDagContext &Ctx,
StringRef Name)
: GIMatchDagPredicate(GIMatchDagPredicateKind_SameMO, Name,
Ctx.makeTwoMOPredicateOperandList()) {}
void GIMatchDagSameMOPredicate::printDescription(raw_ostream &OS) const {
OS << "$mi0 == $mi1";
}
raw_ostream &llvm::operator<<(raw_ostream &OS, const GIMatchDagPredicate &N) {
N.print(OS);
return OS;
}
raw_ostream &llvm::operator<<(raw_ostream &OS,
const GIMatchDagOpcodePredicate &N) {
N.print(OS);
return OS;
}