llvm/utils/TableGen/GlobalISel/GIMatchDagPredicate.cpp

   1 //===- GIMatchDagPredicate.cpp - Represent a predicate to check -----------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "GIMatchDagPredicate.h"
  10
  11 #include "llvm/TableGen/Record.h"
  12
  13 #include "GIMatchDagOperands.h"
  14 #include "../CodeGenInstruction.h"
  15
  16 using namespace llvm;
  17
  18 void GIMatchDagPredicate::print(raw_ostream &OS) const {
  19   OS << "<<";
  20   printDescription(OS);
  21   OS << ">>:$" << Name;
  22 }
  23
  24 void GIMatchDagPredicate::printDescription(raw_ostream &OS) const { OS << ""; }
  25
  26 GIMatchDagOpcodePredicate::GIMatchDagOpcodePredicate(
  27     GIMatchDagContext &Ctx, StringRef Name, const CodeGenInstruction &Instr)
  28     : GIMatchDagPredicate(GIMatchDagPredicateKind_Opcode, Name,
  29                           Ctx.makeMIPredicateOperandList()),
  30       Instr(Instr) {}
  31
  32 void GIMatchDagOpcodePredicate::printDescription(raw_ostream &OS) const {
  33   OS << "$mi.getOpcode() == " << Instr.TheDef->getName();
  34 }
  35
  36 GIMatchDagOneOfOpcodesPredicate::GIMatchDagOneOfOpcodesPredicate(
  37     GIMatchDagContext &Ctx, StringRef Name)
  38     : GIMatchDagPredicate(GIMatchDagPredicateKind_OneOfOpcodes, Name,
  39                           Ctx.makeMIPredicateOperandList()) {}
  40
  41 void GIMatchDagOneOfOpcodesPredicate::printDescription(raw_ostream &OS) const {
  42   OS << "$mi.getOpcode() == oneof(";
  43   StringRef Separator = "";
  44   for (const CodeGenInstruction *Instr : Instrs) {
  45     OS << Separator << Instr->TheDef->getName();
  46     Separator = ",";
  47   }
  48   OS << ")";
  49 }
  50
  51 GIMatchDagSameMOPredicate::GIMatchDagSameMOPredicate(GIMatchDagContext &Ctx,
  52                                                      StringRef Name)
  53     : GIMatchDagPredicate(GIMatchDagPredicateKind_SameMO, Name,
  54                           Ctx.makeTwoMOPredicateOperandList()) {}
  55
  56 void GIMatchDagSameMOPredicate::printDescription(raw_ostream &OS) const {
  57   OS << "$mi0 == $mi1";
  58 }
  59
  60 raw_ostream &llvm::operator<<(raw_ostream &OS, const GIMatchDagPredicate &N) {
  61   N.print(OS);
  62   return OS;
  63 }
  64
  65 raw_ostream &llvm::operator<<(raw_ostream &OS,
  66                               const GIMatchDagOpcodePredicate &N) {
  67   N.print(OS);
  68   return OS;
  69 }