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// Copyright 2020 The SwiftShader Authors. All Rights Reserved.
//
// 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 "SpirvShader.hpp"
#include "spirv-tools/libspirv.h"
#include <spirv/unified1/spirv.hpp>
#define CONCAT(a, b) a##b
#define CONCAT2(a, b) CONCAT(a, b)
namespace {
// checkForNoMissingOps() is an unused function that simply exists to try and
// detect missing opcodes in "SpirvShaderInstructions.inl".
// If there are missing opcodes, then some compilers will warn that not all
// enum values are handled by the switch case below.
constexpr void checkForNoMissingOps(spv::Op op)
{
// self-reference to avoid unused-function warnings.
(void)&checkForNoMissingOps;
switch(op)
{
#define DECORATE_OP(isStatement, op) \
case spv::op: \
return;
#include "SpirvShaderInstructions.inl"
#undef DECORATE_OP
case spv::OpMax: return;
}
}
} // anonymous namespace
namespace sw {
const char *SpirvShader::OpcodeName(spv::Op op)
{
return spvOpcodeString(op);
}
bool SpirvShader::IsStatement(spv::Op op)
{
switch(op)
{
#define IS_STATEMENT_T(op) case spv::op:
#define IS_STATEMENT_F(op)
#define DECORATE_OP(isStatement, op) \
CONCAT2(IS_STATEMENT_, isStatement) \
(op)
#include "SpirvShaderInstructions.inl"
#undef IS_STATEMENT_T
#undef IS_STATEMENT_F
#undef DECORATE_OP
return true;
default:
return false;
}
}
} // namespace sw