SPIRV-Tools/source/operand.cpp
2017-05-15 17:10:07 -04:00

328 lines
12 KiB
C++

// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// 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 "operand.h"
#include <assert.h>
#include <string.h>
#include "macro.h"
// Pull in operand info tables automatically generated from JSON grammar.
namespace v1_0 {
#include "operand.kinds-1.0.inc"
} // namespace v1_0
namespace v1_1 {
#include "operand.kinds-1.1.inc"
} // namespace v1_1
namespace v1_2 {
#include "operand.kinds-1.2.inc"
} // namespace v1_2
spv_result_t spvOperandTableGet(spv_operand_table* pOperandTable,
spv_target_env env) {
if (!pOperandTable) return SPV_ERROR_INVALID_POINTER;
static const spv_operand_table_t table_1_0 = {
ARRAY_SIZE(v1_0::pygen_variable_OperandInfoTable),
v1_0::pygen_variable_OperandInfoTable};
static const spv_operand_table_t table_1_1 = {
ARRAY_SIZE(v1_1::pygen_variable_OperandInfoTable),
v1_1::pygen_variable_OperandInfoTable};
static const spv_operand_table_t table_1_2 = {
ARRAY_SIZE(v1_2::pygen_variable_OperandInfoTable),
v1_2::pygen_variable_OperandInfoTable};
switch (env) {
case SPV_ENV_UNIVERSAL_1_0:
case SPV_ENV_VULKAN_1_0:
case SPV_ENV_OPENCL_2_1:
case SPV_ENV_OPENGL_4_0:
case SPV_ENV_OPENGL_4_1:
case SPV_ENV_OPENGL_4_2:
case SPV_ENV_OPENGL_4_3:
case SPV_ENV_OPENGL_4_5:
*pOperandTable = &table_1_0;
return SPV_SUCCESS;
case SPV_ENV_UNIVERSAL_1_1:
*pOperandTable = &table_1_1;
return SPV_SUCCESS;
case SPV_ENV_UNIVERSAL_1_2:
case SPV_ENV_OPENCL_2_2:
*pOperandTable = &table_1_2;
return SPV_SUCCESS;
}
assert(0 && "Unknown spv_target_env in spvOperandTableGet()");
return SPV_ERROR_INVALID_TABLE;
}
#undef ARRAY_SIZE
spv_result_t spvOperandTableNameLookup(const spv_operand_table table,
const spv_operand_type_t type,
const char* name,
const size_t nameLength,
spv_operand_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!name || !pEntry) return SPV_ERROR_INVALID_POINTER;
for (uint64_t typeIndex = 0; typeIndex < table->count; ++typeIndex) {
const auto& group = table->types[typeIndex];
if (type != group.type) continue;
for (uint64_t index = 0; index < group.count; ++index) {
const auto& entry = group.entries[index];
if (nameLength == strlen(entry.name) &&
!strncmp(entry.name, name, nameLength)) {
*pEntry = &entry;
return SPV_SUCCESS;
}
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
spv_result_t spvOperandTableValueLookup(const spv_operand_table table,
const spv_operand_type_t type,
const uint32_t value,
spv_operand_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!pEntry) return SPV_ERROR_INVALID_POINTER;
for (uint64_t typeIndex = 0; typeIndex < table->count; ++typeIndex) {
const auto& group = table->types[typeIndex];
if (type != group.type) continue;
for (uint64_t index = 0; index < group.count; ++index) {
const auto& entry = group.entries[index];
if (value == entry.value) {
*pEntry = &entry;
return SPV_SUCCESS;
}
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
const char* spvOperandTypeStr(spv_operand_type_t type) {
switch (type) {
case SPV_OPERAND_TYPE_ID:
case SPV_OPERAND_TYPE_OPTIONAL_ID:
return "ID";
case SPV_OPERAND_TYPE_TYPE_ID:
return "type ID";
case SPV_OPERAND_TYPE_RESULT_ID:
return "result ID";
case SPV_OPERAND_TYPE_LITERAL_INTEGER:
case SPV_OPERAND_TYPE_OPTIONAL_LITERAL_INTEGER:
case SPV_OPERAND_TYPE_OPTIONAL_LITERAL_NUMBER:
return "literal number";
case SPV_OPERAND_TYPE_OPTIONAL_TYPED_LITERAL_INTEGER:
return "possibly multi-word literal integer";
case SPV_OPERAND_TYPE_TYPED_LITERAL_NUMBER:
return "possibly multi-word literal number";
case SPV_OPERAND_TYPE_EXTENSION_INSTRUCTION_NUMBER:
return "extension instruction number";
case SPV_OPERAND_TYPE_SPEC_CONSTANT_OP_NUMBER:
return "OpSpecConstantOp opcode";
case SPV_OPERAND_TYPE_LITERAL_STRING:
case SPV_OPERAND_TYPE_OPTIONAL_LITERAL_STRING:
return "literal string";
case SPV_OPERAND_TYPE_SOURCE_LANGUAGE:
return "source language";
case SPV_OPERAND_TYPE_EXECUTION_MODEL:
return "execution model";
case SPV_OPERAND_TYPE_ADDRESSING_MODEL:
return "addressing model";
case SPV_OPERAND_TYPE_MEMORY_MODEL:
return "memory model";
case SPV_OPERAND_TYPE_EXECUTION_MODE:
return "execution mode";
case SPV_OPERAND_TYPE_STORAGE_CLASS:
return "storage class";
case SPV_OPERAND_TYPE_DIMENSIONALITY:
return "dimensionality";
case SPV_OPERAND_TYPE_SAMPLER_ADDRESSING_MODE:
return "sampler addressing mode";
case SPV_OPERAND_TYPE_SAMPLER_FILTER_MODE:
return "sampler filter mode";
case SPV_OPERAND_TYPE_SAMPLER_IMAGE_FORMAT:
return "image format";
case SPV_OPERAND_TYPE_FP_FAST_MATH_MODE:
return "floating-point fast math mode";
case SPV_OPERAND_TYPE_FP_ROUNDING_MODE:
return "floating-point rounding mode";
case SPV_OPERAND_TYPE_LINKAGE_TYPE:
return "linkage type";
case SPV_OPERAND_TYPE_ACCESS_QUALIFIER:
case SPV_OPERAND_TYPE_OPTIONAL_ACCESS_QUALIFIER:
return "access qualifier";
case SPV_OPERAND_TYPE_FUNCTION_PARAMETER_ATTRIBUTE:
return "function parameter attribute";
case SPV_OPERAND_TYPE_DECORATION:
return "decoration";
case SPV_OPERAND_TYPE_BUILT_IN:
return "built-in";
case SPV_OPERAND_TYPE_SELECTION_CONTROL:
return "selection control";
case SPV_OPERAND_TYPE_LOOP_CONTROL:
return "loop control";
case SPV_OPERAND_TYPE_FUNCTION_CONTROL:
return "function control";
case SPV_OPERAND_TYPE_MEMORY_SEMANTICS_ID:
return "memory semantics ID";
case SPV_OPERAND_TYPE_MEMORY_ACCESS:
case SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS:
return "memory access";
case SPV_OPERAND_TYPE_SCOPE_ID:
return "scope ID";
case SPV_OPERAND_TYPE_GROUP_OPERATION:
return "group operation";
case SPV_OPERAND_TYPE_KERNEL_ENQ_FLAGS:
return "kernel enqeue flags";
case SPV_OPERAND_TYPE_KERNEL_PROFILING_INFO:
return "kernel profiling info";
case SPV_OPERAND_TYPE_CAPABILITY:
return "capability";
case SPV_OPERAND_TYPE_IMAGE:
case SPV_OPERAND_TYPE_OPTIONAL_IMAGE:
return "image";
case SPV_OPERAND_TYPE_OPTIONAL_CIV:
return "context-insensitive value";
// The next values are for values returned from an instruction, not actually
// an operand. So the specific strings don't matter. But let's add them
// for completeness and ease of testing.
case SPV_OPERAND_TYPE_IMAGE_CHANNEL_ORDER:
return "image channel order";
case SPV_OPERAND_TYPE_IMAGE_CHANNEL_DATA_TYPE:
return "image channel data type";
case SPV_OPERAND_TYPE_NONE:
return "NONE";
default:
assert(0 && "Unhandled operand type!");
break;
}
return "unknown";
}
void spvPrependOperandTypes(const spv_operand_type_t* types,
spv_operand_pattern_t* pattern) {
const spv_operand_type_t* endTypes;
for (endTypes = types; *endTypes != SPV_OPERAND_TYPE_NONE; ++endTypes)
;
pattern->insert(pattern->begin(), types, endTypes);
}
void spvPrependOperandTypesForMask(const spv_operand_table operandTable,
const spv_operand_type_t type,
const uint32_t mask,
spv_operand_pattern_t* pattern) {
// Scan from highest bits to lowest bits because we will prepend in LIFO
// fashion, and we need the operands for lower order bits to appear first.
for (uint32_t candidate_bit = (1u << 31u); candidate_bit; candidate_bit >>= 1) {
if (candidate_bit & mask) {
spv_operand_desc entry = nullptr;
if (SPV_SUCCESS == spvOperandTableValueLookup(operandTable, type,
candidate_bit, &entry)) {
spvPrependOperandTypes(entry->operandTypes, pattern);
}
}
}
}
bool spvOperandIsConcreteMask(spv_operand_type_t type) {
return SPV_OPERAND_TYPE_FIRST_CONCRETE_MASK_TYPE <= type &&
type <= SPV_OPERAND_TYPE_LAST_CONCRETE_MASK_TYPE;
}
bool spvOperandIsOptional(spv_operand_type_t type) {
return SPV_OPERAND_TYPE_FIRST_OPTIONAL_TYPE <= type &&
type <= SPV_OPERAND_TYPE_LAST_OPTIONAL_TYPE;
}
bool spvOperandIsVariable(spv_operand_type_t type) {
return SPV_OPERAND_TYPE_FIRST_VARIABLE_TYPE <= type &&
type <= SPV_OPERAND_TYPE_LAST_VARIABLE_TYPE;
}
bool spvExpandOperandSequenceOnce(spv_operand_type_t type,
spv_operand_pattern_t* pattern) {
switch (type) {
case SPV_OPERAND_TYPE_VARIABLE_ID:
pattern->insert(pattern->begin(), {SPV_OPERAND_TYPE_OPTIONAL_ID, type});
return true;
case SPV_OPERAND_TYPE_VARIABLE_LITERAL_INTEGER:
pattern->insert(pattern->begin(),
{SPV_OPERAND_TYPE_OPTIONAL_LITERAL_INTEGER, type});
return true;
case SPV_OPERAND_TYPE_VARIABLE_LITERAL_INTEGER_ID:
// Represents Zero or more (Literal number, Id) pairs,
// where the literal number must be a scalar integer.
pattern->insert(pattern->begin(),
{SPV_OPERAND_TYPE_OPTIONAL_TYPED_LITERAL_INTEGER,
SPV_OPERAND_TYPE_ID, type});
return true;
case SPV_OPERAND_TYPE_VARIABLE_ID_LITERAL_INTEGER:
// Represents Zero or more (Id, Literal number) pairs.
pattern->insert(pattern->begin(),
{SPV_OPERAND_TYPE_OPTIONAL_ID,
SPV_OPERAND_TYPE_LITERAL_INTEGER, type});
return true;
default:
break;
}
return false;
}
spv_operand_type_t spvTakeFirstMatchableOperand(
spv_operand_pattern_t* pattern) {
assert(!pattern->empty());
spv_operand_type_t result;
do {
result = pattern->front();
pattern->pop_front();
} while (spvExpandOperandSequenceOnce(result, pattern));
return result;
}
spv_operand_pattern_t spvAlternatePatternFollowingImmediate(
const spv_operand_pattern_t& pattern) {
spv_operand_pattern_t alternatePattern;
for (const auto& operand : pattern) {
if (operand == SPV_OPERAND_TYPE_RESULT_ID) {
alternatePattern.push_back(operand);
alternatePattern.push_back(SPV_OPERAND_TYPE_OPTIONAL_CIV);
return alternatePattern;
}
alternatePattern.push_back(SPV_OPERAND_TYPE_OPTIONAL_CIV);
}
// No result-id found, so just expect CIVs.
return {SPV_OPERAND_TYPE_OPTIONAL_CIV};
}
bool spvIsIdType(spv_operand_type_t type) {
switch (type) {
case SPV_OPERAND_TYPE_ID:
case SPV_OPERAND_TYPE_TYPE_ID:
case SPV_OPERAND_TYPE_RESULT_ID:
case SPV_OPERAND_TYPE_MEMORY_SEMANTICS_ID:
case SPV_OPERAND_TYPE_SCOPE_ID:
return true;
default:
return false;
}
}