blob: 6dddbdf831b7316b21fe8930871e0299ab181a3a (
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) 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_set_selection_control.h"
namespace spvtools {
namespace fuzz {
TransformationSetSelectionControl::TransformationSetSelectionControl(
protobufs::TransformationSetSelectionControl message)
: message_(std::move(message)) {}
TransformationSetSelectionControl::TransformationSetSelectionControl(
uint32_t block_id, uint32_t selection_control) {
message_.set_block_id(block_id);
message_.set_selection_control(selection_control);
}
bool TransformationSetSelectionControl::IsApplicable(
opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
assert((message_.selection_control() == SpvSelectionControlMaskNone ||
message_.selection_control() == SpvSelectionControlFlattenMask ||
message_.selection_control() == SpvSelectionControlDontFlattenMask) &&
"Selection control should never be set to something other than "
"'None', 'Flatten' or 'DontFlatten'");
if (auto block = ir_context->get_instr_block(message_.block_id())) {
if (auto merge_inst = block->GetMergeInst()) {
return merge_inst->opcode() == SpvOpSelectionMerge;
}
}
// Either the block did not exit, or did not end with OpSelectionMerge.
return false;
}
void TransformationSetSelectionControl::Apply(
opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
ir_context->get_instr_block(message_.block_id())
->GetMergeInst()
->SetInOperand(1, {message_.selection_control()});
}
protobufs::Transformation TransformationSetSelectionControl::ToMessage() const {
protobufs::Transformation result;
*result.mutable_set_selection_control() = message_;
return result;
}
std::unordered_set<uint32_t> TransformationSetSelectionControl::GetFreshIds()
const {
return std::unordered_set<uint32_t>();
}
} // namespace fuzz
} // namespace spvtools
|
