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diff --git a/3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_set_loop_control.h b/3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_set_loop_control.h
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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.
+
+#ifndef SOURCE_FUZZ_TRANSFORMATION_SET_LOOP_CONTROL_H_
+#define SOURCE_FUZZ_TRANSFORMATION_SET_LOOP_CONTROL_H_
+
+#include "source/fuzz/fact_manager.h"
+#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
+#include "source/fuzz/transformation.h"
+#include "source/opt/ir_context.h"
+
+namespace spvtools {
+namespace fuzz {
+
+class TransformationSetLoopControl : public Transformation {
+ public:
+ const static uint32_t kLoopControlMaskInOperandIndex = 2;
+ const static uint32_t kLoopControlFirstLiteralInOperandIndex = 3;
+
+ explicit TransformationSetLoopControl(
+ const protobufs::TransformationSetLoopControl& message);
+
+ TransformationSetLoopControl(uint32_t block_id, uint32_t loop_control,
+ uint32_t peel_count, uint32_t partial_count);
+
+ // - |message_.block_id| must be a block containing an OpLoopMerge
+ // instruction.
+ // - |message_.loop_control| must be a legal loop control mask that
+ // only uses controls available in the SPIR-V version associated with
+ // |context|, and must not add loop controls that are only valid in the
+ // presence of guarantees about what the loop does (e.g. MinIterations).
+ // - |message_.peel_count| (respectively |message_.partial_count|) must be
+ // zero PeelCount (respectively PartialCount) is set in
+ // |message_.loop_control|.
+ bool IsApplicable(opt::IRContext* context,
+ const FactManager& fact_manager) const override;
+
+ // - The loop control operand of the OpLoopMergeInstruction in
+ // |message_.block_id| is overwritten with |message_.loop_control|.
+ // - The literals associated with the loop control are updated to reflect any
+ // controls with associated literals that have been removed (e.g.
+ // MinIterations), and any that have been added (PeelCount and/or
+ // PartialCount).
+ void Apply(opt::IRContext* context, FactManager* fact_manager) const override;
+
+ protobufs::Transformation ToMessage() const override;
+
+ // Does the version of SPIR-V being used support the PartialCount loop
+ // control?
+ static bool PartialCountIsSupported(opt::IRContext* context);
+
+ // Does the version of SPIR-V being used support the PeelCount loop control?
+ static bool PeelCountIsSupported(opt::IRContext* context);
+
+ private:
+ // Returns true if and only if |loop_single_bit_mask| is *not* set in
+ // |existing_loop_control| but *is* set in |message_.loop_control|.
+ bool LoopControlBitIsAddedByTransformation(
+ SpvLoopControlMask loop_control_single_bit_mask,
+ uint32_t existing_loop_control_mask) const;
+
+ protobufs::TransformationSetLoopControl message_;
+};
+
+} // namespace fuzz
+} // namespace spvtools
+
+#endif // SOURCE_FUZZ_TRANSFORMATION_SET_LOOP_CONTROL_H_