mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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19c07731fc
This commit will change the message for unknown extensions from an error to a warning. Code was added to limit the number of warning messages so that consummer of the messages are not overwhelmed. This is standard practice in compilers. Many other issues were found at while looking into this. They have been documented in #1950. Fixes http://crbug.com/875547.
234 lines
8.9 KiB
C++
234 lines
8.9 KiB
C++
// Copyright (c) 2015-2016 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SOURCE_VAL_VALIDATE_H_
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#define SOURCE_VAL_VALIDATE_H_
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#include <functional>
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#include <memory>
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#include <utility>
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#include <vector>
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#include "source/instruction.h"
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#include "source/table.h"
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#include "spirv-tools/libspirv.h"
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namespace spvtools {
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namespace val {
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class ValidationState_t;
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class BasicBlock;
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class Instruction;
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/// A function that returns a vector of BasicBlocks given a BasicBlock. Used to
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/// get the successor and predecessor nodes of a CFG block
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using get_blocks_func =
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std::function<const std::vector<BasicBlock*>*(const BasicBlock*)>;
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/// @brief Performs the Control Flow Graph checks
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///
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/// @param[in] _ the validation state of the module
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///
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/// @return SPV_SUCCESS if no errors are found. SPV_ERROR_INVALID_CFG otherwise
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spv_result_t PerformCfgChecks(ValidationState_t& _);
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/// @brief Updates the use vectors of all instructions that can be referenced
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///
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/// This function will update the vector which define where an instruction was
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/// referenced in the binary.
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///
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/// @param[in] _ the validation state of the module
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///
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/// @return SPV_SUCCESS if no errors are found.
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spv_result_t UpdateIdUse(ValidationState_t& _, const Instruction* inst);
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/// @brief This function checks all ID definitions dominate their use in the
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/// CFG.
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///
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/// This function will iterate over all ID definitions that are defined in the
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/// functions of a module and make sure that the definitions appear in a
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/// block that dominates their use.
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///
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/// @param[in] _ the validation state of the module
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///
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/// @return SPV_SUCCESS if no errors are found. SPV_ERROR_INVALID_ID otherwise
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spv_result_t CheckIdDefinitionDominateUse(ValidationState_t& _);
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/// @brief This function checks for preconditions involving the adjacent
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/// instructions.
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///
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/// This function will iterate over all instructions and check for any required
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/// predecessor and/or successor instructions. e.g. SpvOpPhi must only be
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/// preceeded by SpvOpLabel, SpvOpPhi, or SpvOpLine.
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///
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/// @param[in] _ the validation state of the module
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///
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/// @return SPV_SUCCESS if no errors are found. SPV_ERROR_INVALID_DATA otherwise
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spv_result_t ValidateAdjacency(ValidationState_t& _);
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/// @brief Validates static uses of input and output variables
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///
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/// Checks that any entry point that uses a input or output variable lists that
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/// variable in its interface.
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///
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/// @param[in] _ the validation state of the module
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///
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/// @return SPV_SUCCESS if no errors are found.
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spv_result_t ValidateInterfaces(ValidationState_t& _);
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/// @brief Validates memory instructions
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///
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/// @param[in] _ the validation state of the module
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/// @return SPV_SUCCESS if no errors are found.
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spv_result_t MemoryPass(ValidationState_t& _, const Instruction* inst);
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/// @brief Updates the immediate dominator for each of the block edges
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///
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/// Updates the immediate dominator of the blocks for each of the edges
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/// provided by the @p dom_edges parameter
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///
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/// @param[in,out] dom_edges The edges of the dominator tree
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/// @param[in] set_func This function will be called to updated the Immediate
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/// dominator
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void UpdateImmediateDominators(
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const std::vector<std::pair<BasicBlock*, BasicBlock*>>& dom_edges,
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std::function<void(BasicBlock*, BasicBlock*)> set_func);
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/// @brief Prints all of the dominators of a BasicBlock
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///
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/// @param[in] block The dominators of this block will be printed
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void printDominatorList(BasicBlock& block);
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/// Performs logical layout validation as described in section 2.4 of the SPIR-V
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/// spec.
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spv_result_t ModuleLayoutPass(ValidationState_t& _, const Instruction* inst);
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/// Performs Control Flow Graph validation and construction.
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spv_result_t CfgPass(ValidationState_t& _, const Instruction* inst);
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/// Validates Control Flow Graph instructions.
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spv_result_t ControlFlowPass(ValidationState_t& _, const Instruction* inst);
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/// Performs Id and SSA validation of a module
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spv_result_t IdPass(ValidationState_t& _, Instruction* inst);
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/// Performs validation of the Data Rules subsection of 2.16.1 Universal
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/// Validation Rules.
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/// TODO(ehsann): add more comments here as more validation code is added.
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spv_result_t DataRulesPass(ValidationState_t& _, const Instruction* inst);
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/// Performs instruction validation.
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spv_result_t InstructionPass(ValidationState_t& _, const Instruction* inst);
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/// Performs decoration validation.
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spv_result_t ValidateDecorations(ValidationState_t& _);
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/// Performs validation of built-in variables.
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spv_result_t ValidateBuiltIns(ValidationState_t& _);
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/// Validates type instructions.
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spv_result_t TypePass(ValidationState_t& _, const Instruction* inst);
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/// Validates constant instructions.
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spv_result_t ConstantPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of arithmetic instructions.
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spv_result_t ArithmeticsPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of composite instructions.
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spv_result_t CompositesPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of conversion instructions.
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spv_result_t ConversionPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of derivative instructions.
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spv_result_t DerivativesPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of logical instructions.
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spv_result_t LogicalsPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of bitwise instructions.
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spv_result_t BitwisePass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of image instructions.
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spv_result_t ImagePass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of atomic instructions.
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spv_result_t AtomicsPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of barrier instructions.
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spv_result_t BarriersPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of literal numbers.
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spv_result_t LiteralsPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of ExtInst instructions.
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spv_result_t ExtInstPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of annotation instructions.
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spv_result_t AnnotationPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of non-uniform group instructions.
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spv_result_t NonUniformPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of debug instructions.
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spv_result_t DebugPass(ValidationState_t& _, const Instruction* inst);
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// Validates that capability declarations use operands allowed in the current
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// context.
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spv_result_t CapabilityPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of primitive instructions.
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spv_result_t PrimitivesPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of mode setting instructions.
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spv_result_t ModeSettingPass(ValidationState_t& _, const Instruction* inst);
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/// Validates correctness of function instructions.
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spv_result_t FunctionPass(ValidationState_t& _, const Instruction* inst);
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/// Validates execution limitations.
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///
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/// Verifies execution models are allowed for all functionality they contain.
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spv_result_t ValidateExecutionLimitations(ValidationState_t& _,
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const Instruction* inst);
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/// @brief Validate the ID's within a SPIR-V binary
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///
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/// @param[in] pInstructions array of instructions
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/// @param[in] count number of elements in instruction array
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/// @param[in] bound the binary header
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/// @param[in,out] position current word in the binary
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/// @param[in] consumer message consumer callback
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///
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/// @return result code
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spv_result_t spvValidateIDs(const spv_instruction_t* pInstructions,
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const uint64_t count, const uint32_t bound,
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spv_position position,
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const MessageConsumer& consumer);
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// Performs validation for the SPIRV-V module binary.
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// The main difference between this API and spvValidateBinary is that the
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// "Validation State" is not destroyed upon function return; it lives on and is
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// pointed to by the vstate unique_ptr.
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spv_result_t ValidateBinaryAndKeepValidationState(
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const spv_const_context context, spv_const_validator_options options,
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const uint32_t* words, const size_t num_words, spv_diagnostic* pDiagnostic,
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std::unique_ptr<ValidationState_t>* vstate);
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} // namespace val
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} // namespace spvtools
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#endif // SOURCE_VAL_VALIDATE_H_
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