SPIRV-Tools/source/validate_arithmetics.cpp

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// Copyright (c) 2017 Google 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.
2017-10-13 19:53:58 +00:00
// Performs validation of arithmetic instructions.
#include "validate.h"
#include "diagnostic.h"
#include "opcode.h"
#include "val/instruction.h"
#include "val/validation_state.h"
namespace libspirv {
namespace {
// Returns operand word for given instruction and operand index.
// The operand is expected to only have one word.
inline uint32_t GetOperandWord(const spv_parsed_instruction_t* inst,
size_t operand_index) {
assert(operand_index < inst->num_operands);
const spv_parsed_operand_t& operand = inst->operands[operand_index];
assert(operand.num_words == 1);
return inst->words[operand.offset];
}
// Returns the type id of instruction operand at |operand_index|.
// The operand is expected to be an id.
inline uint32_t GetOperandTypeId(ValidationState_t& _,
const spv_parsed_instruction_t* inst,
size_t operand_index) {
return _.GetTypeId(GetOperandWord(inst, operand_index));
}
} // namespace
// Validates correctness of arithmetic instructions.
spv_result_t ArithmeticsPass(ValidationState_t& _,
const spv_parsed_instruction_t* inst) {
const SpvOp opcode = static_cast<SpvOp>(inst->opcode);
const uint32_t result_type = inst->type_id;
switch (opcode) {
case SpvOpFAdd:
case SpvOpFSub:
case SpvOpFMul:
case SpvOpFDiv:
case SpvOpFRem:
case SpvOpFMod:
case SpvOpFNegate: {
if (!_.IsFloatScalarType(result_type) &&
!_.IsFloatVectorType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected floating scalar or vector type as Result Type: "
<< spvOpcodeString(opcode);
for (size_t operand_index = 2; operand_index < inst->num_operands;
++operand_index) {
if (GetOperandTypeId(_, inst, operand_index) != result_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected arithmetic operands to be of Result Type: "
<< spvOpcodeString(opcode) << " operand index "
<< operand_index;
}
break;
}
case SpvOpUDiv:
case SpvOpUMod: {
if (!_.IsUnsignedIntScalarType(result_type) &&
!_.IsUnsignedIntVectorType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected unsigned int scalar or vector type as Result Type: "
<< spvOpcodeString(opcode);
for (size_t operand_index = 2; operand_index < inst->num_operands;
++operand_index) {
if (GetOperandTypeId(_, inst, operand_index) != result_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected arithmetic operands to be of Result Type: "
<< spvOpcodeString(opcode) << " operand index "
<< operand_index;
}
break;
}
case SpvOpISub:
case SpvOpIAdd:
case SpvOpIMul:
case SpvOpSDiv:
case SpvOpSMod:
case SpvOpSRem:
case SpvOpSNegate: {
if (!_.IsIntScalarType(result_type) && !_.IsIntVectorType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected int scalar or vector type as Result Type: "
<< spvOpcodeString(opcode);
const uint32_t dimension = _.GetDimension(result_type);
const uint32_t bit_width = _.GetBitWidth(result_type);
for (size_t operand_index = 2; operand_index < inst->num_operands;
++operand_index) {
const uint32_t type_id = GetOperandTypeId(_, inst, operand_index);
if (!type_id ||
(!_.IsIntScalarType(type_id) && !_.IsIntVectorType(type_id)))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected int scalar or vector type as operand: "
<< spvOpcodeString(opcode) << " operand index "
<< operand_index;
if (_.GetDimension(type_id) != dimension)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected arithmetic operands to have the same dimension "
<< "as Result Type: " << spvOpcodeString(opcode)
<< " operand index " << operand_index;
if (_.GetBitWidth(type_id) != bit_width)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected arithmetic operands to have the same bit width "
<< "as Result Type: " << spvOpcodeString(opcode)
<< " operand index " << operand_index;
}
break;
}
case SpvOpDot: {
if (!_.IsFloatScalarType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float scalar type as Result Type: "
<< spvOpcodeString(opcode);
uint32_t first_vector_num_components = 0;
for (size_t operand_index = 2; operand_index < inst->num_operands;
++operand_index) {
const uint32_t type_id = GetOperandTypeId(_, inst, operand_index);
if (!type_id || !_.IsFloatVectorType(type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector as operand: "
<< spvOpcodeString(opcode) << " operand index "
<< operand_index;
const uint32_t component_type = _.GetComponentType(type_id);
if (component_type != result_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected component type to be equal to Result Type: "
<< spvOpcodeString(opcode) << " operand index "
<< operand_index;
const uint32_t num_components = _.GetDimension(type_id);
if (operand_index == 2) {
first_vector_num_components = num_components;
} else if (num_components != first_vector_num_components) {
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected operands to have the same number of componenets: "
<< spvOpcodeString(opcode);
}
}
break;
}
case SpvOpVectorTimesScalar: {
if (!_.IsFloatVectorType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector type as Result Type: "
<< spvOpcodeString(opcode);
const uint32_t vector_type_id = GetOperandTypeId(_, inst, 2);
if (result_type != vector_type_id)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected vector operand type to be equal to Result Type: "
<< spvOpcodeString(opcode);
const uint32_t component_type = _.GetComponentType(vector_type_id);
const uint32_t scalar_type_id = GetOperandTypeId(_, inst, 3);
if (component_type != scalar_type_id)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected scalar operand type to be equal to the component "
<< "type of the vector operand: " << spvOpcodeString(opcode);
break;
}
case SpvOpMatrixTimesScalar: {
if (!_.IsFloatMatrixType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as Result Type: "
<< spvOpcodeString(opcode);
const uint32_t matrix_type_id = GetOperandTypeId(_, inst, 2);
if (result_type != matrix_type_id)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected matrix operand type to be equal to Result Type: "
<< spvOpcodeString(opcode);
const uint32_t component_type = _.GetComponentType(matrix_type_id);
const uint32_t scalar_type_id = GetOperandTypeId(_, inst, 3);
if (component_type != scalar_type_id)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected scalar operand type to be equal to the component "
<< "type of the matrix operand: " << spvOpcodeString(opcode);
break;
}
case SpvOpVectorTimesMatrix: {
const uint32_t vector_type_id = GetOperandTypeId(_, inst, 2);
const uint32_t matrix_type_id = GetOperandTypeId(_, inst, 3);
if (!_.IsFloatVectorType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector type as Result Type: "
<< spvOpcodeString(opcode);
const uint32_t res_component_type = _.GetComponentType(result_type);
if (!vector_type_id || !_.IsFloatVectorType(vector_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector type as left operand: "
<< spvOpcodeString(opcode);
if (res_component_type != _.GetComponentType(vector_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected component types of Result Type and vector to be "
<< "equal: " << spvOpcodeString(opcode);
uint32_t matrix_num_rows = 0;
uint32_t matrix_num_cols = 0;
uint32_t matrix_col_type = 0;
uint32_t matrix_component_type = 0;
if (!_.GetMatrixTypeInfo(matrix_type_id, &matrix_num_rows,
&matrix_num_cols, &matrix_col_type,
&matrix_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as right operand: "
<< spvOpcodeString(opcode);
if (res_component_type != matrix_component_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected component types of Result Type and matrix to be "
<< "equal: " << spvOpcodeString(opcode);
if (matrix_num_cols != _.GetDimension(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected number of columns of the matrix to be equal to "
<< "Result Type vector size: " << spvOpcodeString(opcode);
if (matrix_num_rows != _.GetDimension(vector_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected number of rows of the matrix to be equal to the "
<< "vector operand size: " << spvOpcodeString(opcode);
break;
}
case SpvOpMatrixTimesVector: {
const uint32_t matrix_type_id = GetOperandTypeId(_, inst, 2);
const uint32_t vector_type_id = GetOperandTypeId(_, inst, 3);
if (!_.IsFloatVectorType(result_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector type as Result Type: "
<< spvOpcodeString(opcode);
uint32_t matrix_num_rows = 0;
uint32_t matrix_num_cols = 0;
uint32_t matrix_col_type = 0;
uint32_t matrix_component_type = 0;
if (!_.GetMatrixTypeInfo(matrix_type_id, &matrix_num_rows,
&matrix_num_cols, &matrix_col_type,
&matrix_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as left operand: "
<< spvOpcodeString(opcode);
if (result_type != matrix_col_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected column type of the matrix to be equal to Result "
"Type: "
<< spvOpcodeString(opcode);
if (!vector_type_id || !_.IsFloatVectorType(vector_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector type as right operand: "
<< spvOpcodeString(opcode);
if (matrix_component_type != _.GetComponentType(vector_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected component types of the operands to be equal: "
<< spvOpcodeString(opcode);
if (matrix_num_cols != _.GetDimension(vector_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected number of columns of the matrix to be equal to the "
<< "vector size: " << spvOpcodeString(opcode);
break;
}
case SpvOpMatrixTimesMatrix: {
const uint32_t left_type_id = GetOperandTypeId(_, inst, 2);
const uint32_t right_type_id = GetOperandTypeId(_, inst, 3);
uint32_t res_num_rows = 0;
uint32_t res_num_cols = 0;
uint32_t res_col_type = 0;
uint32_t res_component_type = 0;
if (!_.GetMatrixTypeInfo(result_type, &res_num_rows, &res_num_cols,
&res_col_type, &res_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as Result Type: "
<< spvOpcodeString(opcode);
uint32_t left_num_rows = 0;
uint32_t left_num_cols = 0;
uint32_t left_col_type = 0;
uint32_t left_component_type = 0;
if (!_.GetMatrixTypeInfo(left_type_id, &left_num_rows, &left_num_cols,
&left_col_type, &left_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as left operand: "
<< spvOpcodeString(opcode);
uint32_t right_num_rows = 0;
uint32_t right_num_cols = 0;
uint32_t right_col_type = 0;
uint32_t right_component_type = 0;
if (!_.GetMatrixTypeInfo(right_type_id, &right_num_rows, &right_num_cols,
&right_col_type, &right_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as right operand: "
<< spvOpcodeString(opcode);
if (!_.IsFloatScalarType(res_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as Result Type: "
<< spvOpcodeString(opcode);
if (res_col_type != left_col_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected column types of Result Type and left matrix to be "
<< "equal: " << spvOpcodeString(opcode);
if (res_component_type != right_component_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected component types of Result Type and right matrix to "
"be "
<< "equal: " << spvOpcodeString(opcode);
if (res_num_cols != right_num_cols)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected number of columns of Result Type and right matrix "
"to "
<< "be equal: " << spvOpcodeString(opcode);
if (left_num_cols != right_num_rows)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected number of columns of left matrix and number of "
"rows "
<< "of right matrix to be equal: " << spvOpcodeString(opcode);
assert(left_num_rows == res_num_rows);
break;
}
case SpvOpOuterProduct: {
const uint32_t left_type_id = GetOperandTypeId(_, inst, 2);
const uint32_t right_type_id = GetOperandTypeId(_, inst, 3);
uint32_t res_num_rows = 0;
uint32_t res_num_cols = 0;
uint32_t res_col_type = 0;
uint32_t res_component_type = 0;
if (!_.GetMatrixTypeInfo(result_type, &res_num_rows, &res_num_cols,
&res_col_type, &res_component_type))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float matrix type as Result Type: "
<< spvOpcodeString(opcode);
if (left_type_id != res_col_type)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected column type of Result Type to be equal to the type "
<< "of the left operand: " << spvOpcodeString(opcode);
if (!right_type_id || !_.IsFloatVectorType(right_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected float vector type as right operand: "
<< spvOpcodeString(opcode);
if (res_component_type != _.GetComponentType(right_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected component types of the operands to be equal: "
<< spvOpcodeString(opcode);
if (res_num_cols != _.GetDimension(right_type_id))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected number of columns of the matrix to be equal to the "
<< "vector size of the right operand: "
<< spvOpcodeString(opcode);
break;
}
case SpvOpIAddCarry:
case SpvOpISubBorrow:
case SpvOpUMulExtended:
case SpvOpSMulExtended: {
std::vector<uint32_t> result_types;
if (!_.GetStructMemberTypes(result_type, &result_types))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected a struct as Result Type: "
<< spvOpcodeString(opcode);
if (result_types.size() != 2)
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected Result Type struct to have two members: "
<< spvOpcodeString(opcode);
if (opcode == SpvOpSMulExtended) {
if (!_.IsIntScalarType(result_types[0]) &&
!_.IsIntVectorType(result_types[0]))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected Result Type struct member types to be integer "
"scalar "
<< "or vector: " << spvOpcodeString(opcode);
} else {
if (!_.IsUnsignedIntScalarType(result_types[0]) &&
!_.IsUnsignedIntVectorType(result_types[0]))
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected Result Type struct member types to be unsigned "
<< "integer scalar or vector: " << spvOpcodeString(opcode);
}
if (result_types[0] != result_types[1])
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected Result Type struct member types to be identical: "
<< spvOpcodeString(opcode);
const uint32_t left_type_id = GetOperandTypeId(_, inst, 2);
const uint32_t right_type_id = GetOperandTypeId(_, inst, 3);
if (left_type_id != result_types[0] || right_type_id != result_types[0])
return _.diag(SPV_ERROR_INVALID_DATA)
<< "Expected both operands to be of Result Type member type: "
<< spvOpcodeString(opcode);
break;
}
default:
break;
}
return SPV_SUCCESS;
}
} // namespace libspirv