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SPIRV-Tools
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SPIRV-Tools/source/opcode.cpp

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// Copyright (c) 2015-2022 The Khronos Group Inc.
// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights
// reserved.
//
// 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/opcode.h"
#include <assert.h>
#include <string.h>
#include <algorithm>
#include <cstdlib>
#include "source/instruction.h"
#include "source/macro.h"
#include "source/spirv_constant.h"
#include "source/spirv_endian.h"
#include "source/spirv_target_env.h"
#include "spirv-tools/libspirv.h"
namespace {
struct OpcodeDescPtrLen {
const spv_opcode_desc_t* ptr;
uint32_t len;
};
#include "core.insts-unified1.inc"
static const spv_opcode_table_t kOpcodeTable = {ARRAY_SIZE(kOpcodeTableEntries),
kOpcodeTableEntries};
// Represents a vendor tool entry in the SPIR-V XML Registry.
struct VendorTool {
uint32_t value;
const char* vendor;
const char* tool; // Might be empty string.
const char* vendor_tool; // Combination of vendor and tool.
};
const VendorTool vendor_tools[] = {
#include "generators.inc"
};
} // anonymous namespace
// TODO(dneto): Move this to another file. It doesn't belong with opcode
// processing.
const char* spvGeneratorStr(uint32_t generator) {
auto where = std::find_if(
std::begin(vendor_tools), std::end(vendor_tools),
[generator](const VendorTool& vt) { return generator == vt.value; });
if (where != std::end(vendor_tools)) return where->vendor_tool;
return "Unknown";
}
uint32_t spvOpcodeMake(uint16_t wordCount, spv::Op opcode) {
return ((uint32_t)opcode) | (((uint32_t)wordCount) << 16);
}
void spvOpcodeSplit(const uint32_t word, uint16_t* pWordCount,
uint16_t* pOpcode) {
if (pWordCount) {
*pWordCount = (uint16_t)((0xffff0000 & word) >> 16);
}
if (pOpcode) {
*pOpcode = 0x0000ffff & word;
}
}
spv_result_t spvOpcodeTableGet(spv_opcode_table* pInstTable, spv_target_env) {
if (!pInstTable) return SPV_ERROR_INVALID_POINTER;
// Descriptions of each opcode. Each entry describes the format of the
// instruction that follows a particular opcode.
*pInstTable = &kOpcodeTable;
return SPV_SUCCESS;
}
spv_result_t spvOpcodeTableNameLookup(spv_target_env env,
const spv_opcode_table table,
const char* name,
spv_opcode_desc* pEntry) {
if (!name || !pEntry) return SPV_ERROR_INVALID_POINTER;
if (!table) return SPV_ERROR_INVALID_TABLE;
// TODO: This lookup of the Opcode table is suboptimal! Binary sort would be
// preferable but the table requires sorting on the Opcode name, but it's
// static const initialized and matches the order of the spec.
const size_t nameLength = strlen(name);
const auto version = spvVersionForTargetEnv(env);
for (uint64_t opcodeIndex = 0; opcodeIndex < table->count; ++opcodeIndex) {
const spv_opcode_desc_t& entry = table->entries[opcodeIndex];
// We considers the current opcode as available as long as
// 1. The target environment satisfies the minimal requirement of the
// opcode; or
// 2. There is at least one extension enabling this opcode.
//
// Note that the second rule assumes the extension enabling this instruction
// is indeed requested in the SPIR-V code; checking that should be
// validator's work.
if (((version >= entry.minVersion && version <= entry.lastVersion) ||
entry.numExtensions > 0u || entry.numCapabilities > 0u) &&
nameLength == strlen(entry.name) &&
!strncmp(name, entry.name, nameLength)) {
// NOTE: Found out Opcode!
*pEntry = &entry;
return SPV_SUCCESS;
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
spv_result_t spvOpcodeTableValueLookup(spv_target_env env,
const spv_opcode_table table,
const spv::Op opcode,
spv_opcode_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!pEntry) return SPV_ERROR_INVALID_POINTER;
const auto beg = table->entries;
const auto end = table->entries + table->count;
spv_opcode_desc_t needle = {"", opcode, 0, nullptr, 0, {},
false, false, 0, nullptr, ~0u, ~0u};
auto comp = [](const spv_opcode_desc_t& lhs, const spv_opcode_desc_t& rhs) {
return lhs.opcode < rhs.opcode;
};
// We need to loop here because there can exist multiple symbols for the same
// opcode value, and they can be introduced in different target environments,
// which means they can have different minimal version requirements.
// Assumes the underlying table is already sorted ascendingly according to
// opcode value.
const auto version = spvVersionForTargetEnv(env);
for (auto it = std::lower_bound(beg, end, needle, comp);
it != end && it->opcode == opcode; ++it) {
// We considers the current opcode as available as long as
// 1. The target environment satisfies the minimal requirement of the
// opcode; or
// 2. There is at least one extension enabling this opcode.
//
// Note that the second rule assumes the extension enabling this instruction
// is indeed requested in the SPIR-V code; checking that should be
// validator's work.
if ((version >= it->minVersion && version <= it->lastVersion) ||
it->numExtensions > 0u || it->numCapabilities > 0u) {
*pEntry = it;
return SPV_SUCCESS;
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
void spvInstructionCopy(const uint32_t* words, const spv::Op opcode,
const uint16_t wordCount, const spv_endianness_t endian,
spv_instruction_t* pInst) {
pInst->opcode = opcode;
pInst->words.resize(wordCount);
for (uint16_t wordIndex = 0; wordIndex < wordCount; ++wordIndex) {
pInst->words[wordIndex] = spvFixWord(words[wordIndex], endian);
if (!wordIndex) {
uint16_t thisWordCount;
uint16_t thisOpcode;
spvOpcodeSplit(pInst->words[wordIndex], &thisWordCount, &thisOpcode);
assert(opcode == static_cast<spv::Op>(thisOpcode) &&
wordCount == thisWordCount && "Endianness failed!");
}
}
}
const char* spvOpcodeString(const uint32_t opcode) {
const auto beg = kOpcodeTableEntries;
const auto end = kOpcodeTableEntries + ARRAY_SIZE(kOpcodeTableEntries);
spv_opcode_desc_t needle = {"", static_cast<spv::Op>(opcode),
0, nullptr,
0, {},
false, false,
0, nullptr,
~0u, ~0u};
auto comp = [](const spv_opcode_desc_t& lhs, const spv_opcode_desc_t& rhs) {
return lhs.opcode < rhs.opcode;
};
auto it = std::lower_bound(beg, end, needle, comp);
if (it != end && it->opcode == spv::Op(opcode)) {
return it->name;
}
assert(0 && "Unreachable!");
return "unknown";
}
const char* spvOpcodeString(const spv::Op opcode) {
return spvOpcodeString(static_cast<uint32_t>(opcode));
}
int32_t spvOpcodeIsScalarType(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpTypeInt:
case spv::Op::OpTypeFloat:
case spv::Op::OpTypeBool:
return true;
default:
return false;
}
}
int32_t spvOpcodeIsSpecConstant(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpSpecConstantTrue:
case spv::Op::OpSpecConstantFalse:
case spv::Op::OpSpecConstant:
case spv::Op::OpSpecConstantComposite:
case spv::Op::OpSpecConstantOp:
return true;
default:
return false;
}
}
int32_t spvOpcodeIsConstant(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpConstantTrue:
case spv::Op::OpConstantFalse:
case spv::Op::OpConstant:
case spv::Op::OpConstantComposite:
case spv::Op::OpConstantSampler:
case spv::Op::OpConstantNull:
case spv::Op::OpSpecConstantTrue:
case spv::Op::OpSpecConstantFalse:
case spv::Op::OpSpecConstant:
case spv::Op::OpSpecConstantComposite:
case spv::Op::OpSpecConstantOp:
return true;
default:
return false;
}
}
bool spvOpcodeIsConstantOrUndef(const spv::Op opcode) {
return opcode == spv::Op::OpUndef || spvOpcodeIsConstant(opcode);
}
bool spvOpcodeIsScalarSpecConstant(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpSpecConstantTrue:
case spv::Op::OpSpecConstantFalse:
case spv::Op::OpSpecConstant:
return true;
default:
return false;
}
}
int32_t spvOpcodeIsComposite(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpTypeVector:
case spv::Op::OpTypeMatrix:
case spv::Op::OpTypeArray:
case spv::Op::OpTypeStruct:
case spv::Op::OpTypeCooperativeMatrixNV:
return true;
default:
return false;
}
}
bool spvOpcodeReturnsLogicalVariablePointer(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpVariable:
case spv::Op::OpAccessChain:
case spv::Op::OpInBoundsAccessChain:
case spv::Op::OpFunctionParameter:
case spv::Op::OpImageTexelPointer:
case spv::Op::OpCopyObject:
case spv::Op::OpSelect:
case spv::Op::OpPhi:
case spv::Op::OpFunctionCall:
case spv::Op::OpPtrAccessChain:
case spv::Op::OpLoad:
case spv::Op::OpConstantNull:
return true;
default:
return false;
}
}
int32_t spvOpcodeReturnsLogicalPointer(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpVariable:
case spv::Op::OpAccessChain:
case spv::Op::OpInBoundsAccessChain:
case spv::Op::OpFunctionParameter:
case spv::Op::OpImageTexelPointer:
case spv::Op::OpCopyObject:
return true;
default:
return false;
}
}
int32_t spvOpcodeGeneratesType(spv::Op op) {
switch (op) {
case spv::Op::OpTypeVoid:
case spv::Op::OpTypeBool:
case spv::Op::OpTypeInt:
case spv::Op::OpTypeFloat:
case spv::Op::OpTypeVector:
case spv::Op::OpTypeMatrix:
case spv::Op::OpTypeImage:
case spv::Op::OpTypeSampler:
case spv::Op::OpTypeSampledImage:
case spv::Op::OpTypeArray:
case spv::Op::OpTypeRuntimeArray:
case spv::Op::OpTypeStruct:
case spv::Op::OpTypeOpaque:
case spv::Op::OpTypePointer:
case spv::Op::OpTypeFunction:
case spv::Op::OpTypeEvent:
case spv::Op::OpTypeDeviceEvent:
case spv::Op::OpTypeReserveId:
case spv::Op::OpTypeQueue:
case spv::Op::OpTypePipe:
case spv::Op::OpTypePipeStorage:
case spv::Op::OpTypeNamedBarrier:
case spv::Op::OpTypeAccelerationStructureNV:
case spv::Op::OpTypeCooperativeMatrixNV:
// case spv::Op::OpTypeAccelerationStructureKHR: covered by
// spv::Op::OpTypeAccelerationStructureNV
case spv::Op::OpTypeRayQueryKHR:
case spv::Op::OpTypeHitObjectNV:
return true;
default:
// In particular, OpTypeForwardPointer does not generate a type,
// but declares a storage class for a pointer type generated
// by a different instruction.
break;
}
return 0;
}
bool spvOpcodeIsDecoration(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpDecorate:
case spv::Op::OpDecorateId:
case spv::Op::OpMemberDecorate:
case spv::Op::OpGroupDecorate:
case spv::Op::OpGroupMemberDecorate:
case spv::Op::OpDecorateStringGOOGLE:
case spv::Op::OpMemberDecorateStringGOOGLE:
return true;
default:
break;
}
return false;
}
bool spvOpcodeIsLoad(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpLoad:
case spv::Op::OpImageSampleExplicitLod:
case spv::Op::OpImageSampleImplicitLod:
case spv::Op::OpImageSampleDrefImplicitLod:
case spv::Op::OpImageSampleDrefExplicitLod:
case spv::Op::OpImageSampleProjImplicitLod:
case spv::Op::OpImageSampleProjExplicitLod:
case spv::Op::OpImageSampleProjDrefImplicitLod:
case spv::Op::OpImageSampleProjDrefExplicitLod:
case spv::Op::OpImageFetch:
case spv::Op::OpImageGather:
case spv::Op::OpImageDrefGather:
case spv::Op::OpImageRead:
case spv::Op::OpImageSparseSampleImplicitLod:
case spv::Op::OpImageSparseSampleExplicitLod:
case spv::Op::OpImageSparseSampleDrefExplicitLod:
case spv::Op::OpImageSparseSampleDrefImplicitLod:
case spv::Op::OpImageSparseFetch:
case spv::Op::OpImageSparseGather:
case spv::Op::OpImageSparseDrefGather:
case spv::Op::OpImageSparseRead:
return true;
default:
return false;
}
}
bool spvOpcodeIsBranch(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpBranch:
case spv::Op::OpBranchConditional:
case spv::Op::OpSwitch:
return true;
default:
return false;
}
}
bool spvOpcodeIsAtomicWithLoad(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpAtomicLoad:
case spv::Op::OpAtomicExchange:
case spv::Op::OpAtomicCompareExchange:
case spv::Op::OpAtomicCompareExchangeWeak:
case spv::Op::OpAtomicIIncrement:
case spv::Op::OpAtomicIDecrement:
case spv::Op::OpAtomicIAdd:
case spv::Op::OpAtomicFAddEXT:
case spv::Op::OpAtomicISub:
case spv::Op::OpAtomicSMin:
case spv::Op::OpAtomicUMin:
case spv::Op::OpAtomicFMinEXT:
case spv::Op::OpAtomicSMax:
case spv::Op::OpAtomicUMax:
case spv::Op::OpAtomicFMaxEXT:
case spv::Op::OpAtomicAnd:
case spv::Op::OpAtomicOr:
case spv::Op::OpAtomicXor:
case spv::Op::OpAtomicFlagTestAndSet:
return true;
default:
return false;
}
}
bool spvOpcodeIsAtomicOp(const spv::Op opcode) {
return (spvOpcodeIsAtomicWithLoad(opcode) ||
opcode == spv::Op::OpAtomicStore ||
opcode == spv::Op::OpAtomicFlagClear);
}
bool spvOpcodeIsReturn(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpReturn:
case spv::Op::OpReturnValue:
return true;
default:
return false;
}
}
bool spvOpcodeIsAbort(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpKill:
case spv::Op::OpUnreachable:
case spv::Op::OpTerminateInvocation:
case spv::Op::OpTerminateRayKHR:
case spv::Op::OpIgnoreIntersectionKHR:
case spv::Op::OpEmitMeshTasksEXT:
return true;
default:
return false;
}
}
bool spvOpcodeIsReturnOrAbort(spv::Op opcode) {
return spvOpcodeIsReturn(opcode) || spvOpcodeIsAbort(opcode);
}
bool spvOpcodeIsBlockTerminator(spv::Op opcode) {
return spvOpcodeIsBranch(opcode) || spvOpcodeIsReturnOrAbort(opcode);
}
bool spvOpcodeIsBaseOpaqueType(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpTypeImage:
case spv::Op::OpTypeSampler:
case spv::Op::OpTypeSampledImage:
case spv::Op::OpTypeOpaque:
case spv::Op::OpTypeEvent:
case spv::Op::OpTypeDeviceEvent:
case spv::Op::OpTypeReserveId:
case spv::Op::OpTypeQueue:
case spv::Op::OpTypePipe:
case spv::Op::OpTypeForwardPointer:
case spv::Op::OpTypePipeStorage:
case spv::Op::OpTypeNamedBarrier:
return true;
default:
return false;
}
}
bool spvOpcodeIsNonUniformGroupOperation(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpGroupNonUniformElect:
case spv::Op::OpGroupNonUniformAll:
case spv::Op::OpGroupNonUniformAny:
case spv::Op::OpGroupNonUniformAllEqual:
case spv::Op::OpGroupNonUniformBroadcast:
case spv::Op::OpGroupNonUniformBroadcastFirst:
case spv::Op::OpGroupNonUniformBallot:
case spv::Op::OpGroupNonUniformInverseBallot:
case spv::Op::OpGroupNonUniformBallotBitExtract:
case spv::Op::OpGroupNonUniformBallotBitCount:
case spv::Op::OpGroupNonUniformBallotFindLSB:
case spv::Op::OpGroupNonUniformBallotFindMSB:
case spv::Op::OpGroupNonUniformShuffle:
case spv::Op::OpGroupNonUniformShuffleXor:
case spv::Op::OpGroupNonUniformShuffleUp:
case spv::Op::OpGroupNonUniformShuffleDown:
case spv::Op::OpGroupNonUniformIAdd:
case spv::Op::OpGroupNonUniformFAdd:
case spv::Op::OpGroupNonUniformIMul:
case spv::Op::OpGroupNonUniformFMul:
case spv::Op::OpGroupNonUniformSMin:
case spv::Op::OpGroupNonUniformUMin:
case spv::Op::OpGroupNonUniformFMin:
case spv::Op::OpGroupNonUniformSMax:
case spv::Op::OpGroupNonUniformUMax:
case spv::Op::OpGroupNonUniformFMax:
case spv::Op::OpGroupNonUniformBitwiseAnd:
case spv::Op::OpGroupNonUniformBitwiseOr:
case spv::Op::OpGroupNonUniformBitwiseXor:
case spv::Op::OpGroupNonUniformLogicalAnd:
case spv::Op::OpGroupNonUniformLogicalOr:
case spv::Op::OpGroupNonUniformLogicalXor:
case spv::Op::OpGroupNonUniformQuadBroadcast:
case spv::Op::OpGroupNonUniformQuadSwap:
case spv::Op::OpGroupNonUniformRotateKHR:
return true;
default:
return false;
}
}
bool spvOpcodeIsScalarizable(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpPhi:
case spv::Op::OpCopyObject:
case spv::Op::OpConvertFToU:
case spv::Op::OpConvertFToS:
case spv::Op::OpConvertSToF:
case spv::Op::OpConvertUToF:
case spv::Op::OpUConvert:
case spv::Op::OpSConvert:
case spv::Op::OpFConvert:
case spv::Op::OpQuantizeToF16:
case spv::Op::OpVectorInsertDynamic:
case spv::Op::OpSNegate:
case spv::Op::OpFNegate:
case spv::Op::OpIAdd:
case spv::Op::OpFAdd:
case spv::Op::OpISub:
case spv::Op::OpFSub:
case spv::Op::OpIMul:
case spv::Op::OpFMul:
case spv::Op::OpUDiv:
case spv::Op::OpSDiv:
case spv::Op::OpFDiv:
case spv::Op::OpUMod:
case spv::Op::OpSRem:
case spv::Op::OpSMod:
case spv::Op::OpFRem:
case spv::Op::OpFMod:
case spv::Op::OpVectorTimesScalar:
case spv::Op::OpIAddCarry:
case spv::Op::OpISubBorrow:
case spv::Op::OpUMulExtended:
case spv::Op::OpSMulExtended:
case spv::Op::OpShiftRightLogical:
case spv::Op::OpShiftRightArithmetic:
case spv::Op::OpShiftLeftLogical:
case spv::Op::OpBitwiseOr:
case spv::Op::OpBitwiseAnd:
case spv::Op::OpNot:
case spv::Op::OpBitFieldInsert:
case spv::Op::OpBitFieldSExtract:
case spv::Op::OpBitFieldUExtract:
case spv::Op::OpBitReverse:
case spv::Op::OpBitCount:
case spv::Op::OpIsNan:
case spv::Op::OpIsInf:
case spv::Op::OpIsFinite:
case spv::Op::OpIsNormal:
case spv::Op::OpSignBitSet:
case spv::Op::OpLessOrGreater:
case spv::Op::OpOrdered:
case spv::Op::OpUnordered:
case spv::Op::OpLogicalEqual:
case spv::Op::OpLogicalNotEqual:
case spv::Op::OpLogicalOr:
case spv::Op::OpLogicalAnd:
case spv::Op::OpLogicalNot:
case spv::Op::OpSelect:
case spv::Op::OpIEqual:
case spv::Op::OpINotEqual:
case spv::Op::OpUGreaterThan:
case spv::Op::OpSGreaterThan:
case spv::Op::OpUGreaterThanEqual:
case spv::Op::OpSGreaterThanEqual:
case spv::Op::OpULessThan:
case spv::Op::OpSLessThan:
case spv::Op::OpULessThanEqual:
case spv::Op::OpSLessThanEqual:
case spv::Op::OpFOrdEqual:
case spv::Op::OpFUnordEqual:
case spv::Op::OpFOrdNotEqual:
case spv::Op::OpFUnordNotEqual:
case spv::Op::OpFOrdLessThan:
case spv::Op::OpFUnordLessThan:
case spv::Op::OpFOrdGreaterThan:
case spv::Op::OpFUnordGreaterThan:
case spv::Op::OpFOrdLessThanEqual:
case spv::Op::OpFUnordLessThanEqual:
case spv::Op::OpFOrdGreaterThanEqual:
case spv::Op::OpFUnordGreaterThanEqual:
return true;
default:
return false;
}
}
bool spvOpcodeIsDebug(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpName:
case spv::Op::OpMemberName:
case spv::Op::OpSource:
case spv::Op::OpSourceContinued:
case spv::Op::OpSourceExtension:
case spv::Op::OpString:
case spv::Op::OpLine:
case spv::Op::OpNoLine:
case spv::Op::OpModuleProcessed:
return true;
default:
return false;
}
}
bool spvOpcodeIsCommutativeBinaryOperator(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpPtrEqual:
case spv::Op::OpPtrNotEqual:
case spv::Op::OpIAdd:
case spv::Op::OpFAdd:
case spv::Op::OpIMul:
case spv::Op::OpFMul:
case spv::Op::OpDot:
case spv::Op::OpIAddCarry:
case spv::Op::OpUMulExtended:
case spv::Op::OpSMulExtended:
case spv::Op::OpBitwiseOr:
case spv::Op::OpBitwiseXor:
case spv::Op::OpBitwiseAnd:
case spv::Op::OpOrdered:
case spv::Op::OpUnordered:
case spv::Op::OpLogicalEqual:
case spv::Op::OpLogicalNotEqual:
case spv::Op::OpLogicalOr:
case spv::Op::OpLogicalAnd:
case spv::Op::OpIEqual:
case spv::Op::OpINotEqual:
case spv::Op::OpFOrdEqual:
case spv::Op::OpFUnordEqual:
case spv::Op::OpFOrdNotEqual:
case spv::Op::OpFUnordNotEqual:
return true;
default:
return false;
}
}
bool spvOpcodeIsLinearAlgebra(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpTranspose:
case spv::Op::OpVectorTimesScalar:
case spv::Op::OpMatrixTimesScalar:
case spv::Op::OpVectorTimesMatrix:
case spv::Op::OpMatrixTimesVector:
case spv::Op::OpMatrixTimesMatrix:
case spv::Op::OpOuterProduct:
case spv::Op::OpDot:
return true;
default:
return false;
}
}
bool spvOpcodeIsImageSample(const spv::Op opcode) {
switch (opcode) {
case spv::Op::OpImageSampleImplicitLod:
case spv::Op::OpImageSampleExplicitLod:
case spv::Op::OpImageSampleDrefImplicitLod:
case spv::Op::OpImageSampleDrefExplicitLod:
case spv::Op::OpImageSampleProjImplicitLod:
case spv::Op::OpImageSampleProjExplicitLod:
case spv::Op::OpImageSampleProjDrefImplicitLod:
case spv::Op::OpImageSampleProjDrefExplicitLod:
case spv::Op::OpImageSparseSampleImplicitLod:
case spv::Op::OpImageSparseSampleExplicitLod:
case spv::Op::OpImageSparseSampleDrefImplicitLod:
case spv::Op::OpImageSparseSampleDrefExplicitLod:
return true;
default:
return false;
}
}
std::vector<uint32_t> spvOpcodeMemorySemanticsOperandIndices(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpMemoryBarrier:
return {1};
case spv::Op::OpAtomicStore:
case spv::Op::OpControlBarrier:
case spv::Op::OpAtomicFlagClear:
case spv::Op::OpMemoryNamedBarrier:
return {2};
case spv::Op::OpAtomicLoad:
case spv::Op::OpAtomicExchange:
case spv::Op::OpAtomicIIncrement:
case spv::Op::OpAtomicIDecrement:
case spv::Op::OpAtomicIAdd:
case spv::Op::OpAtomicFAddEXT:
case spv::Op::OpAtomicISub:
case spv::Op::OpAtomicSMin:
case spv::Op::OpAtomicUMin:
case spv::Op::OpAtomicSMax:
case spv::Op::OpAtomicUMax:
case spv::Op::OpAtomicAnd:
case spv::Op::OpAtomicOr:
case spv::Op::OpAtomicXor:
case spv::Op::OpAtomicFlagTestAndSet:
return {4};
case spv::Op::OpAtomicCompareExchange:
case spv::Op::OpAtomicCompareExchangeWeak:
return {4, 5};
default:
return {};
}
}
bool spvOpcodeIsAccessChain(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpAccessChain:
case spv::Op::OpInBoundsAccessChain:
case spv::Op::OpPtrAccessChain:
case spv::Op::OpInBoundsPtrAccessChain:
return true;
default:
return false;
}
}
bool spvOpcodeIsBit(spv::Op opcode) {
switch (opcode) {
case spv::Op::OpShiftRightLogical:
case spv::Op::OpShiftRightArithmetic:
case spv::Op::OpShiftLeftLogical:
case spv::Op::OpBitwiseOr:
case spv::Op::OpBitwiseXor:
case spv::Op::OpBitwiseAnd:
case spv::Op::OpNot:
case spv::Op::OpBitReverse:
case spv::Op::OpBitCount:
return true;
default:
return false;
}
}
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