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// Copyright 2022 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/ir/builder.h"
#include <utility>
#include "src/tint/constant/scalar.h"
#include "src/tint/type/pointer.h"
#include "src/tint/type/reference.h"
namespace tint::ir {
Builder::Builder(Module& mod) : ir(mod) {}
Builder::Builder(Module& mod, ir::Block* block) : current_block_(block), ir(mod) {}
Builder::~Builder() = default;
ir::Block* Builder::RootBlock() {
if (!ir.root_block) {
ir.root_block = Block();
}
return ir.root_block;
}
Block* Builder::Block() {
return ir.blocks.Create<ir::Block>();
}
MultiInBlock* Builder::MultiInBlock() {
return ir.blocks.Create<ir::MultiInBlock>();
}
Function* Builder::Function(std::string_view name,
const type::Type* return_type,
Function::PipelineStage stage,
std::optional<std::array<uint32_t, 3>> wg_size) {
auto* ir_func = ir.values.Create<ir::Function>(return_type, stage, wg_size);
ir_func->SetBlock(Block());
ir.SetName(ir_func, name);
return ir_func;
}
ir::Loop* Builder::Loop() {
return Append(ir.instructions.Create<ir::Loop>(Block(), MultiInBlock(), MultiInBlock()));
}
Block* Builder::Case(ir::Switch* s, utils::VectorRef<Switch::CaseSelector> selectors) {
auto* block = Block();
s->Cases().Push(Switch::Case{std::move(selectors), block});
block->SetParent(s);
return block;
}
Block* Builder::Case(ir::Switch* s, std::initializer_list<Switch::CaseSelector> selectors) {
return Case(s, utils::Vector<Switch::CaseSelector, 4>(selectors));
}
ir::Discard* Builder::Discard() {
return Append(ir.instructions.Create<ir::Discard>());
}
ir::Var* Builder::Var(const type::Pointer* type) {
return Append(ir.instructions.Create<ir::Var>(InstructionResult(type)));
}
ir::BlockParam* Builder::BlockParam(const type::Type* type) {
return ir.values.Create<ir::BlockParam>(type);
}
ir::FunctionParam* Builder::FunctionParam(const type::Type* type) {
return ir.values.Create<ir::FunctionParam>(type);
}
ir::Unreachable* Builder::Unreachable() {
return Append(ir.instructions.Create<ir::Unreachable>());
}
} // namespace tint::ir