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Update SPIR-V Tools fuzzer

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Updates spirv-tools DEPS to pull in some recent spirv-fuzz changes, and
modifies the SPIR-V Tools fuzzer so that inapplicable transformations
are ignored.

Change-Id: Ibdea6e9bc35224efe148133eced341168f7ce7b7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60209
Auto-Submit: Alastair Donaldson <afdx@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
This commit is contained in:
Alastair Donaldson 2021-07-29 15:14:27 +00:00 committed by Tint LUCI CQ
parent e5dbe24e94
commit 5a53634764
2 changed files with 5 additions and 2 deletions
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2
DEPS
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@ -13,7 +13,7 @@ vars = {
'gpuweb_cts_revision': '177a4faf0a7ce6f8c64b42a715c634e363912a74', 'gpuweb_cts_revision': '177a4faf0a7ce6f8c64b42a715c634e363912a74',
'protobuf_revision': 'fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a', 'protobuf_revision': 'fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a',
'spirv_headers_revision': '1d4e3a7e3a04ba205ed8cb1485f7cb7369bec609', 'spirv_headers_revision': '1d4e3a7e3a04ba205ed8cb1485f7cb7369bec609',
'spirv_tools_revision': '640b17b5fbc65f2aed9106ad96ba40c51fa20195', 'spirv_tools_revision': '9c4481419ec1710d1b098982ecffda6b7fad88a9',
'testing_revision': '2691851e49de541c3fe42fa8692ddcdee938162f', 'testing_revision': '2691851e49de541c3fe42fa8692ddcdee938162f',
} }

5
fuzzers/tint_spirv_tools_fuzzer/spirv_fuzz_mutator.cc
View File

@ -49,6 +49,9 @@ SpirvFuzzMutator::SpirvFuzzMutator(
std::make_unique<spvtools::fuzz::FactManager>(ir_context.get()), std::make_unique<spvtools::fuzz::FactManager>(ir_context.get()),
validator_options_); validator_options_);
// The value 'true' is passed for ignore_inapplicable_transformations so that
// fuzzing continues even when transformations that should be applicable turn
// out to be inapplicable.
auto fuzzer_context = std::make_unique<spvtools::fuzz::FuzzerContext>( auto fuzzer_context = std::make_unique<spvtools::fuzz::FuzzerContext>(
std::make_unique<spvtools::fuzz::PseudoRandomGenerator>(seed), std::make_unique<spvtools::fuzz::PseudoRandomGenerator>(seed),
spvtools::fuzz::FuzzerContext::GetMinFreshId(ir_context.get()), false); spvtools::fuzz::FuzzerContext::GetMinFreshId(ir_context.get()), false);
@ -56,7 +59,7 @@ SpirvFuzzMutator::SpirvFuzzMutator(
std::move(ir_context), std::move(transformation_context), std::move(ir_context), std::move(transformation_context),
std::move(fuzzer_context), util::GetBufferMessageConsumer(errors_.get()), std::move(fuzzer_context), util::GetBufferMessageConsumer(errors_.get()),
donors, enable_all_passes, repeated_pass_strategy, donors, enable_all_passes, repeated_pass_strategy,
validate_after_each_pass, validator_options_); validate_after_each_pass, validator_options_, true);
} }
Mutator::Result SpirvFuzzMutator::Mutate() { Mutator::Result SpirvFuzzMutator::Mutate() {