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https://github.com/KhronosGroup/SPIRV-Tools
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e8ce4355ae
This PR implements part of the add bit instruction synonym transformation. For now, the implementation covers the OpBitwiseOr, OpBitwiseXor and OpBitwiseAnd cases.
154 lines
6.3 KiB
C++
154 lines
6.3 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_OPCODE_H_
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#define SOURCE_OPCODE_H_
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#include "source/instruction.h"
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#include "source/latest_version_spirv_header.h"
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#include "source/table.h"
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#include "spirv-tools/libspirv.h"
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// Returns the name of a registered SPIR-V generator as a null-terminated
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// string. If the generator is not known, then returns the string "Unknown".
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// The generator parameter should be most significant 16-bits of the generator
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// word in the SPIR-V module header.
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//
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// See the registry at https://www.khronos.org/registry/spir-v/api/spir-v.xml.
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const char* spvGeneratorStr(uint32_t generator);
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// Combines word_count and opcode enumerant in single word.
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uint32_t spvOpcodeMake(uint16_t word_count, SpvOp opcode);
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// Splits word into into two constituent parts: word_count and opcode.
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void spvOpcodeSplit(const uint32_t word, uint16_t* word_count,
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uint16_t* opcode);
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// Finds the named opcode in the given opcode table. On success, returns
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// SPV_SUCCESS and writes a handle of the table entry into *entry.
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spv_result_t spvOpcodeTableNameLookup(spv_target_env,
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const spv_opcode_table table,
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const char* name, spv_opcode_desc* entry);
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// Finds the opcode by enumerant in the given opcode table. On success, returns
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// SPV_SUCCESS and writes a handle of the table entry into *entry.
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spv_result_t spvOpcodeTableValueLookup(spv_target_env,
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const spv_opcode_table table,
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const SpvOp opcode,
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spv_opcode_desc* entry);
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// Copies an instruction's word and fixes the endianness to host native. The
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// source instruction's stream/opcode/endianness is in the words/opcode/endian
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// parameter. The word_count parameter specifies the number of words to copy.
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// Writes copied instruction into *inst.
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void spvInstructionCopy(const uint32_t* words, const SpvOp opcode,
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const uint16_t word_count,
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const spv_endianness_t endian, spv_instruction_t* inst);
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// Determine if the given opcode is a scalar type. Returns zero if false,
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// non-zero otherwise.
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int32_t spvOpcodeIsScalarType(const SpvOp opcode);
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// Determines if the given opcode is a specialization constant. Returns zero if
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// false, non-zero otherwise.
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int32_t spvOpcodeIsSpecConstant(const SpvOp opcode);
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// Determines if the given opcode is a constant. Returns zero if false, non-zero
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// otherwise.
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int32_t spvOpcodeIsConstant(const SpvOp opcode);
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// Returns true if the given opcode is a constant or undef.
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bool spvOpcodeIsConstantOrUndef(const SpvOp opcode);
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// Returns true if the given opcode is a scalar specialization constant.
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bool spvOpcodeIsScalarSpecConstant(const SpvOp opcode);
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// Determines if the given opcode is a composite type. Returns zero if false,
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// non-zero otherwise.
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int32_t spvOpcodeIsComposite(const SpvOp opcode);
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// Determines if the given opcode results in a pointer when using the logical
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// addressing model. Returns zero if false, non-zero otherwise.
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int32_t spvOpcodeReturnsLogicalPointer(const SpvOp opcode);
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// Returns whether the given opcode could result in a pointer or a variable
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// pointer when using the logical addressing model.
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bool spvOpcodeReturnsLogicalVariablePointer(const SpvOp opcode);
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// Determines if the given opcode generates a type. Returns zero if false,
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// non-zero otherwise.
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int32_t spvOpcodeGeneratesType(SpvOp opcode);
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// Returns true if the opcode adds a decoration to an id.
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bool spvOpcodeIsDecoration(const SpvOp opcode);
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// Returns true if the opcode is a load from memory into a result id. This
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// function only considers core instructions.
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bool spvOpcodeIsLoad(const SpvOp opcode);
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// Returns true if the opcode is an atomic operation that uses the original
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// value.
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bool spvOpcodeIsAtomicWithLoad(const SpvOp opcode);
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// Returns true if the opcode is an atomic operation.
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bool spvOpcodeIsAtomicOp(const SpvOp opcode);
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// Returns true if the given opcode is a branch instruction.
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bool spvOpcodeIsBranch(SpvOp opcode);
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// Returns true if the given opcode is a return instruction.
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bool spvOpcodeIsReturn(SpvOp opcode);
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// Returns true if the given opcode is a return instruction or it aborts
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// execution.
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bool spvOpcodeIsReturnOrAbort(SpvOp opcode);
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// Returns true if the given opcode is a basic block terminator.
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bool spvOpcodeIsBlockTerminator(SpvOp opcode);
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// Returns true if the given opcode always defines an opaque type.
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bool spvOpcodeIsBaseOpaqueType(SpvOp opcode);
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// Returns true if the given opcode is a non-uniform group operation.
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bool spvOpcodeIsNonUniformGroupOperation(SpvOp opcode);
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// Returns true if the opcode with vector inputs could be divided into a series
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// of independent scalar operations that would give the same result.
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bool spvOpcodeIsScalarizable(SpvOp opcode);
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// Returns true if the given opcode is a debug instruction.
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bool spvOpcodeIsDebug(SpvOp opcode);
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// Returns true for opcodes that are binary operators,
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// where the order of the operands is irrelevant.
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bool spvOpcodeIsCommutativeBinaryOperator(SpvOp opcode);
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// Returns true for opcodes that represent linear algebra instructions.
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bool spvOpcodeIsLinearAlgebra(SpvOp opcode);
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// Returns true for opcodes that represent image sample instructions.
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bool spvOpcodeIsImageSample(SpvOp opcode);
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// Returns a vector containing the indices of the memory semantics <id>
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// operands for |opcode|.
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std::vector<uint32_t> spvOpcodeMemorySemanticsOperandIndices(SpvOp opcode);
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// Returns true for opcodes that represent access chain instructions.
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bool spvOpcodeIsAccessChain(SpvOp opcode);
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// Returns true for opcodes that represent bit instructions.
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bool spvOpcodeIsBit(SpvOp opcode);
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#endif // SOURCE_OPCODE_H_
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