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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#include "src/tint/lang/core/ir/builder.h"
#include <utility>
#include "src/tint/lang/core/constant/scalar.h"
#include "src/tint/lang/core/type/pointer.h"
#include "src/tint/lang/core/type/reference.h"
#include "src/tint/utils/ice/ice.h"
namespace tint::core::ir {
Builder::Builder(Module& mod) : ir(mod) {}
Builder::Builder(Module& mod, ir::Block* block)
: insertion_point_(InsertionPoints::AppendToBlock{block}), ir(mod) {}
Builder::~Builder() = default;
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 core::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);
ir.functions.Push(ir_func);
return ir_func;
}
ir::Loop* Builder::Loop() {
return Append(ir.instructions.Create<ir::Loop>(Block(), MultiInBlock(), MultiInBlock()));
}
Block* Builder::Case(ir::Switch* s, VectorRef<ir::Constant*> values) {
auto* block = Block();
Switch::Case c;
c.block = block;
for (auto* value : values) {
c.selectors.Push(Switch::CaseSelector{value});
}
s->Cases().Push(std::move(c));
block->SetParent(s);
return block;
}
Block* Builder::DefaultCase(ir::Switch* s) {
return Case(s, Vector<ir::Constant*, 1>{nullptr});
}
Block* Builder::Case(ir::Switch* s, std::initializer_list<ir::Constant*> selectors) {
return Case(s, Vector<ir::Constant*, 4>(selectors));
}
ir::Discard* Builder::Discard() {
return Append(ir.instructions.Create<ir::Discard>());
}
ir::Var* Builder::Var(const core::type::Pointer* type) {
return Append(ir.instructions.Create<ir::Var>(InstructionResult(type)));
}
ir::Var* Builder::Var(std::string_view name, const core::type::Pointer* type) {
auto* var = Var(type);
ir.SetName(var, name);
return var;
}
ir::BlockParam* Builder::BlockParam(const core::type::Type* type) {
return ir.values.Create<ir::BlockParam>(type);
}
ir::BlockParam* Builder::BlockParam(std::string_view name, const core::type::Type* type) {
auto* param = ir.values.Create<ir::BlockParam>(type);
ir.SetName(param, name);
return param;
}
ir::FunctionParam* Builder::FunctionParam(const core::type::Type* type) {
return ir.values.Create<ir::FunctionParam>(type);
}
ir::FunctionParam* Builder::FunctionParam(std::string_view name, const core::type::Type* type) {
auto* param = ir.values.Create<ir::FunctionParam>(type);
ir.SetName(param, name);
return param;
}
ir::TerminateInvocation* Builder::TerminateInvocation() {
return Append(ir.instructions.Create<ir::TerminateInvocation>());
}
ir::Unreachable* Builder::Unreachable() {
return Append(ir.instructions.Create<ir::Unreachable>());
}
const core::type::Type* Builder::VectorPtrElementType(const core::type::Type* type) {
auto* vec_ptr_ty = type->As<core::type::Pointer>();
TINT_ASSERT(vec_ptr_ty);
if (TINT_LIKELY(vec_ptr_ty)) {
auto* vec_ty = vec_ptr_ty->StoreType()->As<core::type::Vector>();
TINT_ASSERT(vec_ty);
if (TINT_LIKELY(vec_ty)) {
return vec_ty->type();
}
}
return ir.Types().i32();
}
} // namespace tint::core::ir