751 lines
21 KiB
C++
751 lines
21 KiB
C++
// Copyright (c) 2015-2020 The Khronos Group Inc.
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// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights
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// reserved.
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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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#include "source/opcode.h"
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#include <assert.h>
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#include <string.h>
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#include <algorithm>
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#include <cstdlib>
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#include "source/instruction.h"
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#include "source/macro.h"
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#include "source/spirv_constant.h"
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#include "source/spirv_endian.h"
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#include "source/spirv_target_env.h"
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#include "spirv-tools/libspirv.h"
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namespace {
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struct OpcodeDescPtrLen {
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const spv_opcode_desc_t* ptr;
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uint32_t len;
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};
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#include "core.insts-unified1.inc"
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static const spv_opcode_table_t kOpcodeTable = {ARRAY_SIZE(kOpcodeTableEntries),
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kOpcodeTableEntries};
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// Represents a vendor tool entry in the SPIR-V XML Regsitry.
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struct VendorTool {
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uint32_t value;
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const char* vendor;
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const char* tool; // Might be empty string.
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const char* vendor_tool; // Combiantion of vendor and tool.
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};
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const VendorTool vendor_tools[] = {
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#include "generators.inc"
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};
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} // anonymous namespace
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// TODO(dneto): Move this to another file. It doesn't belong with opcode
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// processing.
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const char* spvGeneratorStr(uint32_t generator) {
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auto where = std::find_if(
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std::begin(vendor_tools), std::end(vendor_tools),
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[generator](const VendorTool& vt) { return generator == vt.value; });
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if (where != std::end(vendor_tools)) return where->vendor_tool;
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return "Unknown";
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}
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uint32_t spvOpcodeMake(uint16_t wordCount, SpvOp opcode) {
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return ((uint32_t)opcode) | (((uint32_t)wordCount) << 16);
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}
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void spvOpcodeSplit(const uint32_t word, uint16_t* pWordCount,
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uint16_t* pOpcode) {
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if (pWordCount) {
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*pWordCount = (uint16_t)((0xffff0000 & word) >> 16);
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}
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if (pOpcode) {
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*pOpcode = 0x0000ffff & word;
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}
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}
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spv_result_t spvOpcodeTableGet(spv_opcode_table* pInstTable, spv_target_env) {
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if (!pInstTable) return SPV_ERROR_INVALID_POINTER;
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// Descriptions of each opcode. Each entry describes the format of the
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// instruction that follows a particular opcode.
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*pInstTable = &kOpcodeTable;
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return SPV_SUCCESS;
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}
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spv_result_t spvOpcodeTableNameLookup(spv_target_env env,
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const spv_opcode_table table,
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const char* name,
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spv_opcode_desc* pEntry) {
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if (!name || !pEntry) return SPV_ERROR_INVALID_POINTER;
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if (!table) return SPV_ERROR_INVALID_TABLE;
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// TODO: This lookup of the Opcode table is suboptimal! Binary sort would be
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// preferable but the table requires sorting on the Opcode name, but it's
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// static const initialized and matches the order of the spec.
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const size_t nameLength = strlen(name);
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const auto version = spvVersionForTargetEnv(env);
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for (uint64_t opcodeIndex = 0; opcodeIndex < table->count; ++opcodeIndex) {
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const spv_opcode_desc_t& entry = table->entries[opcodeIndex];
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// We considers the current opcode as available as long as
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// 1. The target environment satisfies the minimal requirement of the
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// opcode; or
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// 2. There is at least one extension enabling this opcode.
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//
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// Note that the second rule assumes the extension enabling this instruction
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// is indeed requested in the SPIR-V code; checking that should be
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// validator's work.
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if (((version >= entry.minVersion && version <= entry.lastVersion) ||
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entry.numExtensions > 0u || entry.numCapabilities > 0u) &&
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nameLength == strlen(entry.name) &&
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!strncmp(name, entry.name, nameLength)) {
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// NOTE: Found out Opcode!
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*pEntry = &entry;
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return SPV_SUCCESS;
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}
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}
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return SPV_ERROR_INVALID_LOOKUP;
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}
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spv_result_t spvOpcodeTableValueLookup(spv_target_env env,
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const spv_opcode_table table,
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const SpvOp opcode,
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spv_opcode_desc* pEntry) {
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if (!table) return SPV_ERROR_INVALID_TABLE;
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if (!pEntry) return SPV_ERROR_INVALID_POINTER;
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const auto beg = table->entries;
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const auto end = table->entries + table->count;
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spv_opcode_desc_t needle = {"", opcode, 0, nullptr, 0, {},
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false, false, 0, nullptr, ~0u, ~0u};
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auto comp = [](const spv_opcode_desc_t& lhs, const spv_opcode_desc_t& rhs) {
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return lhs.opcode < rhs.opcode;
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};
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// We need to loop here because there can exist multiple symbols for the same
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// opcode value, and they can be introduced in different target environments,
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// which means they can have different minimal version requirements.
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// Assumes the underlying table is already sorted ascendingly according to
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// opcode value.
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const auto version = spvVersionForTargetEnv(env);
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for (auto it = std::lower_bound(beg, end, needle, comp);
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it != end && it->opcode == opcode; ++it) {
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// We considers the current opcode as available as long as
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// 1. The target environment satisfies the minimal requirement of the
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// opcode; or
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// 2. There is at least one extension enabling this opcode.
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//
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// Note that the second rule assumes the extension enabling this instruction
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// is indeed requested in the SPIR-V code; checking that should be
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// validator's work.
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if ((version >= it->minVersion && version <= it->lastVersion) ||
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it->numExtensions > 0u || it->numCapabilities > 0u) {
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*pEntry = it;
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return SPV_SUCCESS;
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}
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}
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return SPV_ERROR_INVALID_LOOKUP;
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}
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void spvInstructionCopy(const uint32_t* words, const SpvOp opcode,
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const uint16_t wordCount, const spv_endianness_t endian,
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spv_instruction_t* pInst) {
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pInst->opcode = opcode;
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pInst->words.resize(wordCount);
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for (uint16_t wordIndex = 0; wordIndex < wordCount; ++wordIndex) {
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pInst->words[wordIndex] = spvFixWord(words[wordIndex], endian);
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if (!wordIndex) {
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uint16_t thisWordCount;
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uint16_t thisOpcode;
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spvOpcodeSplit(pInst->words[wordIndex], &thisWordCount, &thisOpcode);
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assert(opcode == static_cast<SpvOp>(thisOpcode) &&
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wordCount == thisWordCount && "Endianness failed!");
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}
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}
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}
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const char* spvOpcodeString(const uint32_t opcode) {
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const auto beg = kOpcodeTableEntries;
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const auto end = kOpcodeTableEntries + ARRAY_SIZE(kOpcodeTableEntries);
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spv_opcode_desc_t needle = {"", static_cast<SpvOp>(opcode),
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0, nullptr,
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0, {},
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false, false,
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0, nullptr,
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~0u, ~0u};
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auto comp = [](const spv_opcode_desc_t& lhs, const spv_opcode_desc_t& rhs) {
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return lhs.opcode < rhs.opcode;
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};
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auto it = std::lower_bound(beg, end, needle, comp);
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if (it != end && it->opcode == opcode) {
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return it->name;
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}
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assert(0 && "Unreachable!");
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return "unknown";
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}
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int32_t spvOpcodeIsScalarType(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpTypeInt:
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case SpvOpTypeFloat:
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case SpvOpTypeBool:
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return true;
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default:
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return false;
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}
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}
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int32_t spvOpcodeIsSpecConstant(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpSpecConstantTrue:
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case SpvOpSpecConstantFalse:
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case SpvOpSpecConstant:
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case SpvOpSpecConstantComposite:
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case SpvOpSpecConstantOp:
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return true;
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default:
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return false;
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}
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}
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int32_t spvOpcodeIsConstant(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpConstantTrue:
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case SpvOpConstantFalse:
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case SpvOpConstant:
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case SpvOpConstantComposite:
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case SpvOpConstantSampler:
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case SpvOpConstantNull:
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case SpvOpSpecConstantTrue:
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case SpvOpSpecConstantFalse:
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case SpvOpSpecConstant:
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case SpvOpSpecConstantComposite:
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case SpvOpSpecConstantOp:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeIsConstantOrUndef(const SpvOp opcode) {
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return opcode == SpvOpUndef || spvOpcodeIsConstant(opcode);
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}
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bool spvOpcodeIsScalarSpecConstant(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpSpecConstantTrue:
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case SpvOpSpecConstantFalse:
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case SpvOpSpecConstant:
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return true;
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default:
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return false;
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}
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}
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int32_t spvOpcodeIsComposite(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpTypeVector:
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case SpvOpTypeMatrix:
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case SpvOpTypeArray:
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case SpvOpTypeStruct:
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case SpvOpTypeCooperativeMatrixNV:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeReturnsLogicalVariablePointer(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpVariable:
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case SpvOpAccessChain:
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case SpvOpInBoundsAccessChain:
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case SpvOpFunctionParameter:
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case SpvOpImageTexelPointer:
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case SpvOpCopyObject:
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case SpvOpSelect:
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case SpvOpPhi:
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case SpvOpFunctionCall:
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case SpvOpPtrAccessChain:
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case SpvOpLoad:
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case SpvOpConstantNull:
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return true;
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default:
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return false;
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}
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}
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int32_t spvOpcodeReturnsLogicalPointer(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpVariable:
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case SpvOpAccessChain:
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case SpvOpInBoundsAccessChain:
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case SpvOpFunctionParameter:
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case SpvOpImageTexelPointer:
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case SpvOpCopyObject:
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return true;
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default:
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return false;
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}
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}
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int32_t spvOpcodeGeneratesType(SpvOp op) {
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switch (op) {
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case SpvOpTypeVoid:
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case SpvOpTypeBool:
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case SpvOpTypeInt:
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case SpvOpTypeFloat:
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case SpvOpTypeVector:
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case SpvOpTypeMatrix:
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case SpvOpTypeImage:
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case SpvOpTypeSampler:
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case SpvOpTypeSampledImage:
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case SpvOpTypeArray:
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case SpvOpTypeRuntimeArray:
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case SpvOpTypeStruct:
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case SpvOpTypeOpaque:
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case SpvOpTypePointer:
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case SpvOpTypeFunction:
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case SpvOpTypeEvent:
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case SpvOpTypeDeviceEvent:
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case SpvOpTypeReserveId:
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case SpvOpTypeQueue:
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case SpvOpTypePipe:
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case SpvOpTypePipeStorage:
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case SpvOpTypeNamedBarrier:
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case SpvOpTypeAccelerationStructureNV:
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case SpvOpTypeCooperativeMatrixNV:
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// case SpvOpTypeAccelerationStructureKHR: covered by
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// SpvOpTypeAccelerationStructureNV
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case SpvOpTypeRayQueryProvisionalKHR:
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return true;
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default:
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// In particular, OpTypeForwardPointer does not generate a type,
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// but declares a storage class for a pointer type generated
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// by a different instruction.
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break;
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}
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return 0;
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}
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bool spvOpcodeIsDecoration(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpDecorate:
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case SpvOpDecorateId:
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case SpvOpMemberDecorate:
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case SpvOpGroupDecorate:
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case SpvOpGroupMemberDecorate:
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case SpvOpDecorateStringGOOGLE:
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case SpvOpMemberDecorateStringGOOGLE:
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return true;
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default:
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break;
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}
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return false;
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}
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bool spvOpcodeIsLoad(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpLoad:
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case SpvOpImageSampleExplicitLod:
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case SpvOpImageSampleImplicitLod:
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case SpvOpImageSampleDrefImplicitLod:
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case SpvOpImageSampleDrefExplicitLod:
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case SpvOpImageSampleProjImplicitLod:
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case SpvOpImageSampleProjExplicitLod:
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case SpvOpImageSampleProjDrefImplicitLod:
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case SpvOpImageSampleProjDrefExplicitLod:
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case SpvOpImageFetch:
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case SpvOpImageGather:
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case SpvOpImageDrefGather:
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case SpvOpImageRead:
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case SpvOpImageSparseSampleImplicitLod:
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case SpvOpImageSparseSampleExplicitLod:
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case SpvOpImageSparseSampleDrefExplicitLod:
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case SpvOpImageSparseSampleDrefImplicitLod:
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case SpvOpImageSparseFetch:
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case SpvOpImageSparseGather:
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case SpvOpImageSparseDrefGather:
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case SpvOpImageSparseRead:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeIsBranch(SpvOp opcode) {
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switch (opcode) {
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case SpvOpBranch:
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case SpvOpBranchConditional:
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case SpvOpSwitch:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeIsAtomicWithLoad(const SpvOp opcode) {
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switch (opcode) {
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case SpvOpAtomicLoad:
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case SpvOpAtomicExchange:
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case SpvOpAtomicCompareExchange:
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case SpvOpAtomicCompareExchangeWeak:
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case SpvOpAtomicIIncrement:
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case SpvOpAtomicIDecrement:
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case SpvOpAtomicIAdd:
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case SpvOpAtomicFAddEXT:
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case SpvOpAtomicISub:
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case SpvOpAtomicSMin:
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case SpvOpAtomicUMin:
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case SpvOpAtomicSMax:
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case SpvOpAtomicUMax:
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case SpvOpAtomicAnd:
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case SpvOpAtomicOr:
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case SpvOpAtomicXor:
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case SpvOpAtomicFlagTestAndSet:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeIsAtomicOp(const SpvOp opcode) {
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return (spvOpcodeIsAtomicWithLoad(opcode) || opcode == SpvOpAtomicStore ||
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opcode == SpvOpAtomicFlagClear);
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}
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bool spvOpcodeIsReturn(SpvOp opcode) {
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switch (opcode) {
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case SpvOpReturn:
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case SpvOpReturnValue:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeIsReturnOrAbort(SpvOp opcode) {
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return spvOpcodeIsReturn(opcode) || opcode == SpvOpKill ||
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opcode == SpvOpUnreachable || opcode == SpvOpTerminateInvocation;
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}
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bool spvOpcodeIsBlockTerminator(SpvOp opcode) {
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return spvOpcodeIsBranch(opcode) || spvOpcodeIsReturnOrAbort(opcode);
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}
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bool spvOpcodeIsBaseOpaqueType(SpvOp opcode) {
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switch (opcode) {
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case SpvOpTypeImage:
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case SpvOpTypeSampler:
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case SpvOpTypeSampledImage:
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case SpvOpTypeOpaque:
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case SpvOpTypeEvent:
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case SpvOpTypeDeviceEvent:
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case SpvOpTypeReserveId:
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case SpvOpTypeQueue:
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case SpvOpTypePipe:
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case SpvOpTypeForwardPointer:
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case SpvOpTypePipeStorage:
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case SpvOpTypeNamedBarrier:
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return true;
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default:
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return false;
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}
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}
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bool spvOpcodeIsNonUniformGroupOperation(SpvOp opcode) {
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switch (opcode) {
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case SpvOpGroupNonUniformElect:
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case SpvOpGroupNonUniformAll:
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case SpvOpGroupNonUniformAny:
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case SpvOpGroupNonUniformAllEqual:
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case SpvOpGroupNonUniformBroadcast:
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case SpvOpGroupNonUniformBroadcastFirst:
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case SpvOpGroupNonUniformBallot:
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case SpvOpGroupNonUniformInverseBallot:
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case SpvOpGroupNonUniformBallotBitExtract:
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case SpvOpGroupNonUniformBallotBitCount:
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case SpvOpGroupNonUniformBallotFindLSB:
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case SpvOpGroupNonUniformBallotFindMSB:
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case SpvOpGroupNonUniformShuffle:
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case SpvOpGroupNonUniformShuffleXor:
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case SpvOpGroupNonUniformShuffleUp:
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case SpvOpGroupNonUniformShuffleDown:
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case SpvOpGroupNonUniformIAdd:
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case SpvOpGroupNonUniformFAdd:
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case SpvOpGroupNonUniformIMul:
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case SpvOpGroupNonUniformFMul:
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case SpvOpGroupNonUniformSMin:
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case SpvOpGroupNonUniformUMin:
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case SpvOpGroupNonUniformFMin:
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case SpvOpGroupNonUniformSMax:
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case SpvOpGroupNonUniformUMax:
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case SpvOpGroupNonUniformFMax:
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case SpvOpGroupNonUniformBitwiseAnd:
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case SpvOpGroupNonUniformBitwiseOr:
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case SpvOpGroupNonUniformBitwiseXor:
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case SpvOpGroupNonUniformLogicalAnd:
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case SpvOpGroupNonUniformLogicalOr:
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case SpvOpGroupNonUniformLogicalXor:
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case SpvOpGroupNonUniformQuadBroadcast:
|
|
case SpvOpGroupNonUniformQuadSwap:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsScalarizable(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpPhi:
|
|
case SpvOpCopyObject:
|
|
case SpvOpConvertFToU:
|
|
case SpvOpConvertFToS:
|
|
case SpvOpConvertSToF:
|
|
case SpvOpConvertUToF:
|
|
case SpvOpUConvert:
|
|
case SpvOpSConvert:
|
|
case SpvOpFConvert:
|
|
case SpvOpQuantizeToF16:
|
|
case SpvOpVectorInsertDynamic:
|
|
case SpvOpSNegate:
|
|
case SpvOpFNegate:
|
|
case SpvOpIAdd:
|
|
case SpvOpFAdd:
|
|
case SpvOpISub:
|
|
case SpvOpFSub:
|
|
case SpvOpIMul:
|
|
case SpvOpFMul:
|
|
case SpvOpUDiv:
|
|
case SpvOpSDiv:
|
|
case SpvOpFDiv:
|
|
case SpvOpUMod:
|
|
case SpvOpSRem:
|
|
case SpvOpSMod:
|
|
case SpvOpFRem:
|
|
case SpvOpFMod:
|
|
case SpvOpVectorTimesScalar:
|
|
case SpvOpIAddCarry:
|
|
case SpvOpISubBorrow:
|
|
case SpvOpUMulExtended:
|
|
case SpvOpSMulExtended:
|
|
case SpvOpShiftRightLogical:
|
|
case SpvOpShiftRightArithmetic:
|
|
case SpvOpShiftLeftLogical:
|
|
case SpvOpBitwiseOr:
|
|
case SpvOpBitwiseAnd:
|
|
case SpvOpNot:
|
|
case SpvOpBitFieldInsert:
|
|
case SpvOpBitFieldSExtract:
|
|
case SpvOpBitFieldUExtract:
|
|
case SpvOpBitReverse:
|
|
case SpvOpBitCount:
|
|
case SpvOpIsNan:
|
|
case SpvOpIsInf:
|
|
case SpvOpIsFinite:
|
|
case SpvOpIsNormal:
|
|
case SpvOpSignBitSet:
|
|
case SpvOpLessOrGreater:
|
|
case SpvOpOrdered:
|
|
case SpvOpUnordered:
|
|
case SpvOpLogicalEqual:
|
|
case SpvOpLogicalNotEqual:
|
|
case SpvOpLogicalOr:
|
|
case SpvOpLogicalAnd:
|
|
case SpvOpLogicalNot:
|
|
case SpvOpSelect:
|
|
case SpvOpIEqual:
|
|
case SpvOpINotEqual:
|
|
case SpvOpUGreaterThan:
|
|
case SpvOpSGreaterThan:
|
|
case SpvOpUGreaterThanEqual:
|
|
case SpvOpSGreaterThanEqual:
|
|
case SpvOpULessThan:
|
|
case SpvOpSLessThan:
|
|
case SpvOpULessThanEqual:
|
|
case SpvOpSLessThanEqual:
|
|
case SpvOpFOrdEqual:
|
|
case SpvOpFUnordEqual:
|
|
case SpvOpFOrdNotEqual:
|
|
case SpvOpFUnordNotEqual:
|
|
case SpvOpFOrdLessThan:
|
|
case SpvOpFUnordLessThan:
|
|
case SpvOpFOrdGreaterThan:
|
|
case SpvOpFUnordGreaterThan:
|
|
case SpvOpFOrdLessThanEqual:
|
|
case SpvOpFUnordLessThanEqual:
|
|
case SpvOpFOrdGreaterThanEqual:
|
|
case SpvOpFUnordGreaterThanEqual:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsDebug(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpName:
|
|
case SpvOpMemberName:
|
|
case SpvOpSource:
|
|
case SpvOpSourceContinued:
|
|
case SpvOpSourceExtension:
|
|
case SpvOpString:
|
|
case SpvOpLine:
|
|
case SpvOpNoLine:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsCommutativeBinaryOperator(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpPtrEqual:
|
|
case SpvOpPtrNotEqual:
|
|
case SpvOpIAdd:
|
|
case SpvOpFAdd:
|
|
case SpvOpIMul:
|
|
case SpvOpFMul:
|
|
case SpvOpDot:
|
|
case SpvOpIAddCarry:
|
|
case SpvOpUMulExtended:
|
|
case SpvOpSMulExtended:
|
|
case SpvOpBitwiseOr:
|
|
case SpvOpBitwiseXor:
|
|
case SpvOpBitwiseAnd:
|
|
case SpvOpOrdered:
|
|
case SpvOpUnordered:
|
|
case SpvOpLogicalEqual:
|
|
case SpvOpLogicalNotEqual:
|
|
case SpvOpLogicalOr:
|
|
case SpvOpLogicalAnd:
|
|
case SpvOpIEqual:
|
|
case SpvOpINotEqual:
|
|
case SpvOpFOrdEqual:
|
|
case SpvOpFUnordEqual:
|
|
case SpvOpFOrdNotEqual:
|
|
case SpvOpFUnordNotEqual:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsLinearAlgebra(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpTranspose:
|
|
case SpvOpVectorTimesScalar:
|
|
case SpvOpMatrixTimesScalar:
|
|
case SpvOpVectorTimesMatrix:
|
|
case SpvOpMatrixTimesVector:
|
|
case SpvOpMatrixTimesMatrix:
|
|
case SpvOpOuterProduct:
|
|
case SpvOpDot:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsImageSample(const SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpImageSampleImplicitLod:
|
|
case SpvOpImageSampleExplicitLod:
|
|
case SpvOpImageSampleDrefImplicitLod:
|
|
case SpvOpImageSampleDrefExplicitLod:
|
|
case SpvOpImageSampleProjImplicitLod:
|
|
case SpvOpImageSampleProjExplicitLod:
|
|
case SpvOpImageSampleProjDrefImplicitLod:
|
|
case SpvOpImageSampleProjDrefExplicitLod:
|
|
case SpvOpImageSparseSampleImplicitLod:
|
|
case SpvOpImageSparseSampleExplicitLod:
|
|
case SpvOpImageSparseSampleDrefImplicitLod:
|
|
case SpvOpImageSparseSampleDrefExplicitLod:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
std::vector<uint32_t> spvOpcodeMemorySemanticsOperandIndices(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpMemoryBarrier:
|
|
return {1};
|
|
case SpvOpAtomicStore:
|
|
case SpvOpControlBarrier:
|
|
case SpvOpAtomicFlagClear:
|
|
case SpvOpMemoryNamedBarrier:
|
|
return {2};
|
|
case SpvOpAtomicLoad:
|
|
case SpvOpAtomicExchange:
|
|
case SpvOpAtomicIIncrement:
|
|
case SpvOpAtomicIDecrement:
|
|
case SpvOpAtomicIAdd:
|
|
case SpvOpAtomicFAddEXT:
|
|
case SpvOpAtomicISub:
|
|
case SpvOpAtomicSMin:
|
|
case SpvOpAtomicUMin:
|
|
case SpvOpAtomicSMax:
|
|
case SpvOpAtomicUMax:
|
|
case SpvOpAtomicAnd:
|
|
case SpvOpAtomicOr:
|
|
case SpvOpAtomicXor:
|
|
case SpvOpAtomicFlagTestAndSet:
|
|
return {4};
|
|
case SpvOpAtomicCompareExchange:
|
|
case SpvOpAtomicCompareExchangeWeak:
|
|
return {4, 5};
|
|
default:
|
|
return {};
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsAccessChain(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpAccessChain:
|
|
case SpvOpInBoundsAccessChain:
|
|
case SpvOpPtrAccessChain:
|
|
case SpvOpInBoundsPtrAccessChain:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool spvOpcodeIsBit(SpvOp opcode) {
|
|
switch (opcode) {
|
|
case SpvOpShiftRightLogical:
|
|
case SpvOpShiftRightArithmetic:
|
|
case SpvOpShiftLeftLogical:
|
|
case SpvOpBitwiseOr:
|
|
case SpvOpBitwiseXor:
|
|
case SpvOpBitwiseAnd:
|
|
case SpvOpNot:
|
|
case SpvOpBitReverse:
|
|
case SpvOpBitCount:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|