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// Copyright 2023 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
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// 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/multi_in_block.h"
#include "src/tint/lang/core/ir/block_param.h"
#include "src/tint/lang/core/ir/clone_context.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/utils/containers/predicates.h"
#include "src/tint/utils/ice/ice.h"
TINT_INSTANTIATE_TYPEINFO(tint::core::ir::MultiInBlock);
namespace tint::core::ir {
MultiInBlock::MultiInBlock() : Base() {}
MultiInBlock::~MultiInBlock() = default;
MultiInBlock* MultiInBlock::Clone(CloneContext&) {
TINT_UNREACHABLE() << "blocks must be cloned with CloneInto";
}
void MultiInBlock::CloneInto(CloneContext& ctx, Block* out) {
TINT_ASSERT(out->Is<MultiInBlock>());
auto new_params = ctx.Clone(params_);
out->As<MultiInBlock>()->SetParams(new_params);
Block::CloneInto(ctx, out);
}
void MultiInBlock::SetParams(VectorRef<BlockParam*> params) {
for (auto* param : params_) {
param->SetBlock(nullptr);
}
params_ = std::move(params);
TINT_ASSERT(!params_.Any(IsNull));
for (auto* param : params_) {
param->SetBlock(this);
}
}
void MultiInBlock::SetParams(std::initializer_list<BlockParam*> params) {
for (auto* param : params_) {
param->SetBlock(nullptr);
}
params_ = std::move(params);
TINT_ASSERT(!params_.Any(IsNull));
for (auto* param : params_) {
param->SetBlock(this);
}
}
void MultiInBlock::AddInboundSiblingBranch(ir::Terminator* node) {
TINT_ASSERT(node != nullptr);
inbound_sibling_branches_.Push(node);
}
void MultiInBlock::RemoveInboundSiblingBranch(ir::Terminator* node) {
TINT_ASSERT(node != nullptr);
inbound_sibling_branches_.EraseIf([node](ir::Terminator* i) { return i == node; });
}
} // namespace tint::core::ir