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// Copyright (c) 2019 Google LLC
//
// 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 "source/fuzz/transformation_add_type_int.h"
#include "source/fuzz/fuzzer_util.h"
namespace spvtools {
namespace fuzz {
TransformationAddTypeInt::TransformationAddTypeInt(
const spvtools::fuzz::protobufs::TransformationAddTypeInt& message)
: message_(message) {}
TransformationAddTypeInt::TransformationAddTypeInt(uint32_t fresh_id,
uint32_t width,
bool is_signed) {
message_.set_fresh_id(fresh_id);
message_.set_width(width);
message_.set_is_signed(is_signed);
}
bool TransformationAddTypeInt::IsApplicable(
opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
// The id must be fresh.
if (!fuzzerutil::IsFreshId(ir_context, message_.fresh_id())) {
return false;
}
// Applicable if there is no int type with this width and signedness already
// declared in the module.
return fuzzerutil::MaybeGetIntegerType(ir_context, message_.width(),
message_.is_signed()) == 0;
}
void TransformationAddTypeInt::Apply(opt::IRContext* ir_context,
TransformationContext* /*unused*/) const {
fuzzerutil::AddIntegerType(ir_context, message_.fresh_id(), message_.width(),
message_.is_signed());
// We have added an instruction to the module, so need to be careful about the
// validity of existing analyses.
ir_context->InvalidateAnalysesExceptFor(
opt::IRContext::Analysis::kAnalysisNone);
}
protobufs::Transformation TransformationAddTypeInt::ToMessage() const {
protobufs::Transformation result;
*result.mutable_add_type_int() = message_;
return result;
}
} // namespace fuzz
} // namespace spvtools
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