blob: efb2990785e02f403b047b61f407e5ec6a5164a9 [file] [log] [blame]
// 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
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/core/ir/break_if.h"
#include <utility>
#include "src/tint/lang/core/ir/block.h"
#include "src/tint/lang/core/ir/clone_context.h"
#include "src/tint/lang/core/ir/loop.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/multi_in_block.h"
#include "src/tint/utils/ice/ice.h"
TINT_INSTANTIATE_TYPEINFO(tint::core::ir::BreakIf);
namespace tint::core::ir {
BreakIf::BreakIf() = default;
BreakIf::BreakIf(Value* condition,
ir::Loop* loop,
VectorRef<Value*> next_iter_values /* = tint::Empty */,
VectorRef<Value*> exit_values /* = tint::Empty */)
: loop_(loop), num_next_iter_values_(next_iter_values.Length()) {
TINT_ASSERT(loop_);
AddOperand(BreakIf::kConditionOperandOffset, condition);
AddOperands(BreakIf::kArgsOperandOffset, std::move(next_iter_values));
AddOperands(BreakIf::kArgsOperandOffset + num_next_iter_values_, std::move(exit_values));
if (loop_) {
loop_->Body()->AddInboundSiblingBranch(this);
}
}
BreakIf::~BreakIf() = default;
BreakIf* BreakIf::Clone(CloneContext& ctx) {
auto* loop = ctx.Remap(loop_);
auto* cond = ctx.Remap(Condition());
auto args = ctx.Remap<BreakIf::kDefaultNumOperands>(Args());
return ctx.ir.allocators.instructions.Create<BreakIf>(cond, loop, args);
}
void BreakIf::SetLoop(ir::Loop* loop) {
if (loop_ && loop_->Body()) {
loop_->Body()->RemoveInboundSiblingBranch(this);
}
loop_ = loop;
if (loop) {
loop->Body()->AddInboundSiblingBranch(this);
}
}
} // namespace tint::core::ir