chromium/third_party/skia/src/sksl/transform/SkSLEliminateUnreachableCode.cpp

/*
 * Copyright 2021 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkSpan.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkTArray.h"
#include "src/sksl/SkSLDefines.h"
#include "src/sksl/SkSLModule.h"
#include "src/sksl/analysis/SkSLProgramUsage.h"
#include "src/sksl/ir/SkSLFunctionDefinition.h"
#include "src/sksl/ir/SkSLIRNode.h"
#include "src/sksl/ir/SkSLIfStatement.h"
#include "src/sksl/ir/SkSLNop.h"
#include "src/sksl/ir/SkSLProgram.h"
#include "src/sksl/ir/SkSLProgramElement.h"
#include "src/sksl/ir/SkSLStatement.h"
#include "src/sksl/ir/SkSLSwitchCase.h"
#include "src/sksl/ir/SkSLSwitchStatement.h"
#include "src/sksl/transform/SkSLProgramWriter.h"
#include "src/sksl/transform/SkSLTransform.h"

#include <memory>
#include <vector>

usingnamespaceskia_private;

namespace SkSL {

class Expression;

static void eliminate_unreachable_code(SkSpan<std::unique_ptr<ProgramElement>> elements,
                                       ProgramUsage* usage) { … }

void Transform::EliminateUnreachableCode(Module& module, ProgramUsage* usage) { … }

void Transform::EliminateUnreachableCode(Program& program) { … }

}  // namespace SkSL