| // 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. |
| |
| // Validates correctness of bitwise instructions. |
| |
| #include "source/diagnostic.h" |
| #include "source/opcode.h" |
| #include "source/spirv_target_env.h" |
| #include "source/val/instruction.h" |
| #include "source/val/validate.h" |
| #include "source/val/validation_state.h" |
| |
| namespace spvtools { |
| namespace val { |
| |
| // Validates when base and result need to be the same type |
| spv_result_t ValidateBaseType(ValidationState_t& _, const Instruction* inst, |
| const uint32_t base_type) { |
| const SpvOp opcode = inst->opcode(); |
| |
| if (!_.IsIntScalarType(base_type) && !_.IsIntVectorType(base_type)) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << _.VkErrorID(4781) |
| << "Expected int scalar or vector type for Base operand: " |
| << spvOpcodeString(opcode); |
| } |
| |
| // Vulkan has a restriction to 32 bit for base |
| if (spvIsVulkanEnv(_.context()->target_env)) { |
| if (_.GetBitWidth(base_type) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << _.VkErrorID(4781) |
| << "Expected 32-bit int type for Base operand: " |
| << spvOpcodeString(opcode); |
| } |
| } |
| |
| // OpBitCount just needs same number of components |
| if (base_type != inst->type_id() && opcode != SpvOpBitCount) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Base Type to be equal to Result Type: " |
| << spvOpcodeString(opcode); |
| } |
| |
| return SPV_SUCCESS; |
| } |
| |
| // Validates correctness of bitwise instructions. |
| spv_result_t BitwisePass(ValidationState_t& _, const Instruction* inst) { |
| const SpvOp opcode = inst->opcode(); |
| const uint32_t result_type = inst->type_id(); |
| |
| switch (opcode) { |
| case SpvOpShiftRightLogical: |
| case SpvOpShiftRightArithmetic: |
| case SpvOpShiftLeftLogical: { |
| if (!_.IsIntScalarType(result_type) && !_.IsIntVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected int scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t result_dimension = _.GetDimension(result_type); |
| const uint32_t base_type = _.GetOperandTypeId(inst, 2); |
| const uint32_t shift_type = _.GetOperandTypeId(inst, 3); |
| |
| if (!base_type || |
| (!_.IsIntScalarType(base_type) && !_.IsIntVectorType(base_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Base to be int scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(base_type) != result_dimension) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Base to have the same dimension " |
| << "as Result Type: " << spvOpcodeString(opcode); |
| |
| if (_.GetBitWidth(base_type) != _.GetBitWidth(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Base to have the same bit width " |
| << "as Result Type: " << spvOpcodeString(opcode); |
| |
| if (!shift_type || |
| (!_.IsIntScalarType(shift_type) && !_.IsIntVectorType(shift_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Shift to be int scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(shift_type) != result_dimension) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Shift to have the same dimension " |
| << "as Result Type: " << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpBitwiseOr: |
| case SpvOpBitwiseXor: |
| case SpvOpBitwiseAnd: |
| case SpvOpNot: { |
| if (!_.IsIntScalarType(result_type) && !_.IsIntVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected int scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t result_dimension = _.GetDimension(result_type); |
| const uint32_t result_bit_width = _.GetBitWidth(result_type); |
| |
| for (size_t operand_index = 2; operand_index < inst->operands().size(); |
| ++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, inst) |
| << "Expected int scalar or vector as operand: " |
| << spvOpcodeString(opcode) << " operand index " |
| << operand_index; |
| |
| if (_.GetDimension(type_id) != result_dimension) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected operands to have the same dimension " |
| << "as Result Type: " << spvOpcodeString(opcode) |
| << " operand index " << operand_index; |
| |
| if (_.GetBitWidth(type_id) != result_bit_width) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected operands to have the same bit width " |
| << "as Result Type: " << spvOpcodeString(opcode) |
| << " operand index " << operand_index; |
| } |
| break; |
| } |
| |
| case SpvOpBitFieldInsert: { |
| const uint32_t base_type = _.GetOperandTypeId(inst, 2); |
| const uint32_t insert_type = _.GetOperandTypeId(inst, 3); |
| const uint32_t offset_type = _.GetOperandTypeId(inst, 4); |
| const uint32_t count_type = _.GetOperandTypeId(inst, 5); |
| |
| if (spv_result_t error = ValidateBaseType(_, inst, base_type)) { |
| return error; |
| } |
| |
| if (insert_type != result_type) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Insert Type to be equal to Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (!offset_type || !_.IsIntScalarType(offset_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Offset Type to be int scalar: " |
| << spvOpcodeString(opcode); |
| |
| if (!count_type || !_.IsIntScalarType(count_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Count Type to be int scalar: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpBitFieldSExtract: |
| case SpvOpBitFieldUExtract: { |
| const uint32_t base_type = _.GetOperandTypeId(inst, 2); |
| const uint32_t offset_type = _.GetOperandTypeId(inst, 3); |
| const uint32_t count_type = _.GetOperandTypeId(inst, 4); |
| |
| if (spv_result_t error = ValidateBaseType(_, inst, base_type)) { |
| return error; |
| } |
| |
| if (!offset_type || !_.IsIntScalarType(offset_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Offset Type to be int scalar: " |
| << spvOpcodeString(opcode); |
| |
| if (!count_type || !_.IsIntScalarType(count_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Count Type to be int scalar: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpBitReverse: { |
| const uint32_t base_type = _.GetOperandTypeId(inst, 2); |
| |
| if (spv_result_t error = ValidateBaseType(_, inst, base_type)) { |
| return error; |
| } |
| |
| break; |
| } |
| |
| case SpvOpBitCount: { |
| if (!_.IsIntScalarType(result_type) && !_.IsIntVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected int scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t base_type = _.GetOperandTypeId(inst, 2); |
| const uint32_t base_dimension = _.GetDimension(base_type); |
| const uint32_t result_dimension = _.GetDimension(result_type); |
| |
| if (spv_result_t error = ValidateBaseType(_, inst, base_type)) { |
| return error; |
| } |
| |
| if (base_dimension != result_dimension) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Base dimension to be equal to Result Type " |
| "dimension: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| default: |
| break; |
| } |
| |
| return SPV_SUCCESS; |
| } |
| |
| } // namespace val |
| } // namespace spvtools |
