244 lines
8.7 KiB
C++
244 lines
8.7 KiB
C++
//===- GIMatchDag.h - Represent a DAG to be matched -----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_UTILS_TABLEGEN_GIMATCHDAG_H
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#define LLVM_UTILS_TABLEGEN_GIMATCHDAG_H
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#include "GIMatchDagEdge.h"
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#include "GIMatchDagInstr.h"
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#include "GIMatchDagOperands.h"
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#include "GIMatchDagPredicate.h"
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#include "GIMatchDagPredicateDependencyEdge.h"
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namespace llvm {
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class GIMatchDag;
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/// This class manages lifetimes for data associated with the GIMatchDag object.
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class GIMatchDagContext {
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GIMatchDagOperandListContext OperandListCtx;
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public:
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const GIMatchDagOperandList &makeEmptyOperandList() {
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return OperandListCtx.makeEmptyOperandList();
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}
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const GIMatchDagOperandList &makeOperandList(const CodeGenInstruction &I) {
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return OperandListCtx.makeOperandList(I);
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}
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const GIMatchDagOperandList &makeMIPredicateOperandList() {
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return OperandListCtx.makeMIPredicateOperandList();
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}
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const GIMatchDagOperandList &makeTwoMOPredicateOperandList() {
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return OperandListCtx.makeTwoMOPredicateOperandList();
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}
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void print(raw_ostream &OS) const {
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OperandListCtx.print(OS);
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}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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LLVM_DUMP_METHOD void dump() const { print(errs()); }
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#endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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};
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class GIMatchDag {
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public:
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using InstrNodesVec = std::vector<std::unique_ptr<GIMatchDagInstr>>;
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using instr_node_iterator = raw_pointer_iterator<InstrNodesVec::iterator>;
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using const_instr_node_iterator =
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raw_pointer_iterator<InstrNodesVec::const_iterator>;
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using EdgesVec = std::vector<std::unique_ptr<GIMatchDagEdge>>;
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using edge_iterator = raw_pointer_iterator<EdgesVec::iterator>;
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using const_edge_iterator = raw_pointer_iterator<EdgesVec::const_iterator>;
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using PredicateNodesVec = std::vector<std::unique_ptr<GIMatchDagPredicate>>;
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using predicate_iterator = raw_pointer_iterator<PredicateNodesVec::iterator>;
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using const_predicate_iterator =
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raw_pointer_iterator<PredicateNodesVec::const_iterator>;
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using PredicateDependencyEdgesVec =
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std::vector<std::unique_ptr<GIMatchDagPredicateDependencyEdge>>;
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using predicate_edge_iterator =
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raw_pointer_iterator<PredicateDependencyEdgesVec::iterator>;
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using const_predicate_edge_iterator =
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raw_pointer_iterator<PredicateDependencyEdgesVec::const_iterator>;
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protected:
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GIMatchDagContext &Ctx;
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InstrNodesVec InstrNodes;
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PredicateNodesVec PredicateNodes;
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EdgesVec Edges;
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PredicateDependencyEdgesVec PredicateDependencies;
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std::vector<GIMatchDagInstr *> MatchRoots;
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// FIXME: This is a temporary measure while we still accept arbitrary code
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// blocks to fix up the matcher while it's being developed.
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bool HasPostMatchPredicate = false;
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public:
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GIMatchDag(GIMatchDagContext &Ctx)
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: Ctx(Ctx), InstrNodes(), PredicateNodes(), Edges(),
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PredicateDependencies() {}
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GIMatchDag(const GIMatchDag &) = delete;
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GIMatchDagContext &getContext() const { return Ctx; }
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edge_iterator edges_begin() {
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return raw_pointer_iterator<EdgesVec::iterator>(Edges.begin());
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}
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edge_iterator edges_end() {
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return raw_pointer_iterator<EdgesVec::iterator>(Edges.end());
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}
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const_edge_iterator edges_begin() const {
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return raw_pointer_iterator<EdgesVec::const_iterator>(Edges.begin());
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}
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const_edge_iterator edges_end() const {
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return raw_pointer_iterator<EdgesVec::const_iterator>(Edges.end());
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}
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iterator_range<edge_iterator> edges() {
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return make_range(edges_begin(), edges_end());
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}
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iterator_range<const_edge_iterator> edges() const {
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return make_range(edges_begin(), edges_end());
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}
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iterator_range<std::vector<GIMatchDagInstr *>::iterator> roots() {
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return make_range(MatchRoots.begin(), MatchRoots.end());
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}
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iterator_range<std::vector<GIMatchDagInstr *>::const_iterator> roots() const {
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return make_range(MatchRoots.begin(), MatchRoots.end());
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}
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instr_node_iterator instr_nodes_begin() {
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return raw_pointer_iterator<InstrNodesVec::iterator>(InstrNodes.begin());
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}
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instr_node_iterator instr_nodes_end() {
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return raw_pointer_iterator<InstrNodesVec::iterator>(InstrNodes.end());
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}
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const_instr_node_iterator instr_nodes_begin() const {
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return raw_pointer_iterator<InstrNodesVec::const_iterator>(
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InstrNodes.begin());
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}
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const_instr_node_iterator instr_nodes_end() const {
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return raw_pointer_iterator<InstrNodesVec::const_iterator>(
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InstrNodes.end());
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}
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iterator_range<instr_node_iterator> instr_nodes() {
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return make_range(instr_nodes_begin(), instr_nodes_end());
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}
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iterator_range<const_instr_node_iterator> instr_nodes() const {
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return make_range(instr_nodes_begin(), instr_nodes_end());
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}
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predicate_edge_iterator predicate_edges_begin() {
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return raw_pointer_iterator<PredicateDependencyEdgesVec::iterator>(
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PredicateDependencies.begin());
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}
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predicate_edge_iterator predicate_edges_end() {
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return raw_pointer_iterator<PredicateDependencyEdgesVec::iterator>(
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PredicateDependencies.end());
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}
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const_predicate_edge_iterator predicate_edges_begin() const {
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return raw_pointer_iterator<PredicateDependencyEdgesVec::const_iterator>(
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PredicateDependencies.begin());
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}
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const_predicate_edge_iterator predicate_edges_end() const {
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return raw_pointer_iterator<PredicateDependencyEdgesVec::const_iterator>(
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PredicateDependencies.end());
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}
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iterator_range<predicate_edge_iterator> predicate_edges() {
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return make_range(predicate_edges_begin(), predicate_edges_end());
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}
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iterator_range<const_predicate_edge_iterator> predicate_edges() const {
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return make_range(predicate_edges_begin(), predicate_edges_end());
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}
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predicate_iterator predicates_begin() {
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return raw_pointer_iterator<PredicateNodesVec::iterator>(
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PredicateNodes.begin());
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}
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predicate_iterator predicates_end() {
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return raw_pointer_iterator<PredicateNodesVec::iterator>(
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PredicateNodes.end());
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}
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const_predicate_iterator predicates_begin() const {
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return raw_pointer_iterator<PredicateNodesVec::const_iterator>(
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PredicateNodes.begin());
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}
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const_predicate_iterator predicates_end() const {
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return raw_pointer_iterator<PredicateNodesVec::const_iterator>(
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PredicateNodes.end());
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}
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iterator_range<predicate_iterator> predicates() {
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return make_range(predicates_begin(), predicates_end());
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}
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iterator_range<const_predicate_iterator> predicates() const {
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return make_range(predicates_begin(), predicates_end());
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}
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template <class... Args> GIMatchDagInstr *addInstrNode(Args &&... args) {
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auto Obj =
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std::make_unique<GIMatchDagInstr>(*this, std::forward<Args>(args)...);
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auto ObjRaw = Obj.get();
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InstrNodes.push_back(std::move(Obj));
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return ObjRaw;
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}
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template <class T, class... Args>
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T *addPredicateNode(Args &&... args) {
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auto Obj = std::make_unique<T>(getContext(), std::forward<Args>(args)...);
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auto ObjRaw = Obj.get();
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PredicateNodes.push_back(std::move(Obj));
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return ObjRaw;
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}
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template <class... Args> GIMatchDagEdge *addEdge(Args &&... args) {
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auto Obj = std::make_unique<GIMatchDagEdge>(std::forward<Args>(args)...);
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auto ObjRaw = Obj.get();
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Edges.push_back(std::move(Obj));
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return ObjRaw;
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}
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template <class... Args>
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GIMatchDagPredicateDependencyEdge *addPredicateDependency(Args &&... args) {
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auto Obj = std::make_unique<GIMatchDagPredicateDependencyEdge>(
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std::forward<Args>(args)...);
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auto ObjRaw = Obj.get();
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PredicateDependencies.push_back(std::move(Obj));
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return ObjRaw;
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}
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size_t getInstrNodeIdx(instr_node_iterator I) {
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return std::distance(instr_nodes_begin(), I);
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}
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size_t getInstrNodeIdx(const_instr_node_iterator I) const {
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return std::distance(instr_nodes_begin(), I);
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}
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size_t getNumInstrNodes() const { return InstrNodes.size(); }
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size_t getNumEdges() const { return Edges.size(); }
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size_t getNumPredicates() const { return PredicateNodes.size(); }
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void setHasPostMatchPredicate(bool V) { HasPostMatchPredicate = V; }
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bool hasPostMatchPredicate() const { return HasPostMatchPredicate; }
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void addMatchRoot(GIMatchDagInstr *N) { MatchRoots.push_back(N); }
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LLVM_DUMP_METHOD void print(raw_ostream &OS) const;
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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LLVM_DUMP_METHOD void dump() const { print(errs()); }
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#endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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void writeDOTGraph(raw_ostream &OS, StringRef ID) const;
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};
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raw_ostream &operator<<(raw_ostream &OS, const GIMatchDag &G);
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} // end namespace llvm
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#endif // ifndef LLVM_UTILS_TABLEGEN_GIMATCHDAG_H
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