llvm/utils/TableGen/GlobalISel/GIMatchDagInstr.cpp

   1 //===- GIMatchDagInstr.cpp - A shared operand list for nodes --------------===//
   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 "GIMatchDagInstr.h"
  10 #include "../CodeGenInstruction.h"
  11 #include "GIMatchDag.h"
  12 #include "llvm/TableGen/Record.h"
  13
  14 using namespace llvm;
  15
  16 void GIMatchDagInstr::print(raw_ostream &OS) const {
  17   OS << "(";
  18   if (const auto *Annotation = getOpcodeAnnotation())
  19     OS << Annotation->TheDef->getName();
  20   else
  21     OS << "<unknown>";
  22   OS << " ";
  23   OperandInfo.print(OS);
  24   OS << "):$" << Name;
  25   if (!UserAssignedNamesForOperands.empty()) {
  26     OS << " // ";
  27     SmallVector<std::pair<unsigned, StringRef>, 8> ToPrint;
  28     for (const auto &Assignment : UserAssignedNamesForOperands)
  29       ToPrint.emplace_back(Assignment.first, Assignment.second);
  30     llvm::sort(ToPrint);
  31     StringRef Separator = "";
  32     for (const auto &Assignment : ToPrint) {
  33       OS << Separator << "$" << Assignment.second << "=getOperand("
  34          << Assignment.first << ")";
  35       Separator = ", ";
  36     }
  37   }
  38 }
  39
  40 void GIMatchDagInstr::setMatchRoot() {
  41   IsMatchRoot = true;
  42   Dag.addMatchRoot(this);
  43 }
  44
  45 raw_ostream &llvm::operator<<(raw_ostream &OS, const GIMatchDagInstr &N) {
  46   N.print(OS);
  47   return OS;
  48 }