chromium/third_party/spirv-tools/src/source/val/validate_literals.cpp

// Copyright (c) 2017 Google Inc.
//
// 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.

// Validates literal numbers.

#include <cassert>

#include "source/val/instruction.h"
#include "source/val/validate.h"
#include "source/val/validation_state.h"

namespace spvtools {
namespace val {
namespace {

// Returns true if the operand holds a literal number
bool IsLiteralNumber(const spv_parsed_operand_t& operand) { … }

// Verifies that the upper bits of the given upper |word| with given
// lower |width| are zero- or sign-extended when |signed_int| is true
bool VerifyUpperBits(uint32_t word, uint32_t width, bool signed_int) { … }

}  // namespace

// Validates that literal numbers are represented according to the spec
spv_result_t LiteralsPass(ValidationState_t& _, const Instruction* inst) { … }

}  // namespace val
}  // namespace spvtools