blob: 39c2fe0fa194fb6cf4b1c5e124575d0958bb012f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// Copyright (c) 2020 Vasyl Teliman
//
// 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.
#ifndef SOURCE_FUZZ_TRANSFORMATION_INVERT_COMPARISON_OPERATOR_H_
#define SOURCE_FUZZ_TRANSFORMATION_INVERT_COMPARISON_OPERATOR_H_
#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
#include "source/fuzz/transformation.h"
#include "source/fuzz/transformation_context.h"
#include "source/opt/ir_context.h"
namespace spvtools {
namespace fuzz {
class TransformationInvertComparisonOperator : public Transformation {
public:
explicit TransformationInvertComparisonOperator(
protobufs::TransformationInvertComparisonOperator message);
TransformationInvertComparisonOperator(uint32_t operator_id,
uint32_t fresh_id);
// - |operator_id| should be a result id of some instruction for which
// IsInversionSupported returns true.
// - |fresh_id| must be a fresh id.
bool IsApplicable(
opt::IRContext* ir_context,
const TransformationContext& transformation_context) const override;
// Inverts the opcode of the instruction with result id |operator_id| (e.g >=
// becomes <) and inserts OpLogicalNot instruction after |operator_id|. Also,
// changes the result id of OpLogicalNot to |operator_id| and the result id of
// the inverted operator to |fresh_id|.
void Apply(opt::IRContext* ir_context,
TransformationContext* transformation_context) const override;
std::unordered_set<uint32_t> GetFreshIds() const override;
protobufs::Transformation ToMessage() const override;
// Returns true if |opcode| is supported by this transformation.
static bool IsInversionSupported(spv::Op opcode);
private:
// Returns an inverted |opcode| (e.g. < becomes >=, == becomes != etc.)
static spv::Op InvertOpcode(spv::Op opcode);
protobufs::TransformationInvertComparisonOperator message_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_INVERT_COMPARISON_OPERATOR_H_
|
