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