| // 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 conversion instructions. |
| |
| #include "source/val/validate.h" |
| |
| #include "source/diagnostic.h" |
| #include "source/opcode.h" |
| #include "source/val/instruction.h" |
| #include "source/val/validation_state.h" |
| |
| namespace spvtools { |
| namespace val { |
| |
| // Validates correctness of conversion instructions. |
| spv_result_t ConversionPass(ValidationState_t& _, const Instruction* inst) { |
| const SpvOp opcode = inst->opcode(); |
| const uint32_t result_type = inst->type_id(); |
| |
| switch (opcode) { |
| case SpvOpConvertFToU: { |
| if (!_.IsUnsignedIntScalarType(result_type) && |
| !_.IsUnsignedIntVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected unsigned int scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || (!_.IsFloatScalarType(input_type) && |
| !_.IsFloatVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be float scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (!_.features().use_int8_type && (8 == _.GetBitWidth(result_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Invalid cast to 8-bit integer from a floating-point: " |
| << spvOpcodeString(opcode); |
| |
| break; |
| } |
| |
| case SpvOpConvertFToS: { |
| 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 input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || (!_.IsFloatScalarType(input_type) && |
| !_.IsFloatVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be float scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (!_.features().use_int8_type && (8 == _.GetBitWidth(result_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Invalid cast to 8-bit integer from a floating-point: " |
| << spvOpcodeString(opcode); |
| |
| break; |
| } |
| |
| case SpvOpConvertSToF: |
| case SpvOpConvertUToF: { |
| if (!_.IsFloatScalarType(result_type) && |
| !_.IsFloatVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected float scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || |
| (!_.IsIntScalarType(input_type) && !_.IsIntVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be int scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (!_.features().use_int8_type && (8 == _.GetBitWidth(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Invalid cast to floating-point from an 8-bit integer: " |
| << spvOpcodeString(opcode); |
| |
| break; |
| } |
| |
| case SpvOpUConvert: { |
| if (!_.IsUnsignedIntScalarType(result_type) && |
| !_.IsUnsignedIntVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected unsigned int scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || |
| (!_.IsIntScalarType(input_type) && !_.IsIntVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be int scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetBitWidth(result_type) == _.GetBitWidth(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have different bit width from Result " |
| "Type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpSConvert: { |
| 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 input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || |
| (!_.IsIntScalarType(input_type) && !_.IsIntVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be int scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetBitWidth(result_type) == _.GetBitWidth(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have different bit width from Result " |
| "Type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpFConvert: { |
| if (!_.IsFloatScalarType(result_type) && |
| !_.IsFloatVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected float scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || (!_.IsFloatScalarType(input_type) && |
| !_.IsFloatVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be float scalar or vector: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetBitWidth(result_type) == _.GetBitWidth(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have different bit width from Result " |
| "Type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpQuantizeToF16: { |
| if ((!_.IsFloatScalarType(result_type) && |
| !_.IsFloatVectorType(result_type)) || |
| _.GetBitWidth(result_type) != 32) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected 32-bit float scalar or vector type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (input_type != result_type) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input type to be equal to Result Type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpConvertPtrToU: { |
| if (!_.IsUnsignedIntScalarType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected unsigned int scalar type as Result Type: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!_.IsPointerType(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be a pointer: " << spvOpcodeString(opcode); |
| |
| if (_.addressing_model() == SpvAddressingModelLogical) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Logical addressing not supported: " |
| << spvOpcodeString(opcode); |
| |
| if (_.addressing_model() == |
| SpvAddressingModelPhysicalStorageBuffer64EXT) { |
| uint32_t input_storage_class = 0; |
| uint32_t input_data_type = 0; |
| _.GetPointerTypeInfo(input_type, &input_data_type, |
| &input_storage_class); |
| if (input_storage_class != SpvStorageClassPhysicalStorageBufferEXT) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Pointer storage class must be PhysicalStorageBufferEXT: " |
| << spvOpcodeString(opcode); |
| } |
| break; |
| } |
| |
| case SpvOpSatConvertSToU: |
| case SpvOpSatConvertUToS: { |
| 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 input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || |
| (!_.IsIntScalarType(input_type) && !_.IsIntVectorType(input_type))) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected int scalar or vector as input: " |
| << spvOpcodeString(opcode); |
| |
| if (_.GetDimension(result_type) != _.GetDimension(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same dimension as Result Type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpConvertUToPtr: { |
| if (!_.IsPointerType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to be a pointer: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type || !_.IsIntScalarType(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected int scalar as input: " << spvOpcodeString(opcode); |
| |
| if (_.addressing_model() == SpvAddressingModelLogical) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Logical addressing not supported: " |
| << spvOpcodeString(opcode); |
| |
| if (_.addressing_model() == |
| SpvAddressingModelPhysicalStorageBuffer64EXT) { |
| uint32_t result_storage_class = 0; |
| uint32_t result_data_type = 0; |
| _.GetPointerTypeInfo(result_type, &result_data_type, |
| &result_storage_class); |
| if (result_storage_class != SpvStorageClassPhysicalStorageBufferEXT) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Pointer storage class must be PhysicalStorageBufferEXT: " |
| << spvOpcodeString(opcode); |
| } |
| break; |
| } |
| |
| case SpvOpPtrCastToGeneric: { |
| uint32_t result_storage_class = 0; |
| uint32_t result_data_type = 0; |
| if (!_.GetPointerTypeInfo(result_type, &result_data_type, |
| &result_storage_class)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to be a pointer: " |
| << spvOpcodeString(opcode); |
| |
| if (result_storage_class != SpvStorageClassGeneric) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to have storage class Generic: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| uint32_t input_storage_class = 0; |
| uint32_t input_data_type = 0; |
| if (!_.GetPointerTypeInfo(input_type, &input_data_type, |
| &input_storage_class)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be a pointer: " << spvOpcodeString(opcode); |
| |
| if (input_storage_class != SpvStorageClassWorkgroup && |
| input_storage_class != SpvStorageClassCrossWorkgroup && |
| input_storage_class != SpvStorageClassFunction) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have storage class Workgroup, " |
| << "CrossWorkgroup or Function: " << spvOpcodeString(opcode); |
| |
| if (result_data_type != input_data_type) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input and Result Type to point to the same type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpGenericCastToPtr: { |
| uint32_t result_storage_class = 0; |
| uint32_t result_data_type = 0; |
| if (!_.GetPointerTypeInfo(result_type, &result_data_type, |
| &result_storage_class)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to be a pointer: " |
| << spvOpcodeString(opcode); |
| |
| if (result_storage_class != SpvStorageClassWorkgroup && |
| result_storage_class != SpvStorageClassCrossWorkgroup && |
| result_storage_class != SpvStorageClassFunction) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to have storage class Workgroup, " |
| << "CrossWorkgroup or Function: " << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| uint32_t input_storage_class = 0; |
| uint32_t input_data_type = 0; |
| if (!_.GetPointerTypeInfo(input_type, &input_data_type, |
| &input_storage_class)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be a pointer: " << spvOpcodeString(opcode); |
| |
| if (input_storage_class != SpvStorageClassGeneric) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have storage class Generic: " |
| << spvOpcodeString(opcode); |
| |
| if (result_data_type != input_data_type) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input and Result Type to point to the same type: " |
| << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpGenericCastToPtrExplicit: { |
| uint32_t result_storage_class = 0; |
| uint32_t result_data_type = 0; |
| if (!_.GetPointerTypeInfo(result_type, &result_data_type, |
| &result_storage_class)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to be a pointer: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t target_storage_class = inst->word(4); |
| if (result_storage_class != target_storage_class) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to be of target storage class: " |
| << spvOpcodeString(opcode); |
| |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| uint32_t input_storage_class = 0; |
| uint32_t input_data_type = 0; |
| if (!_.GetPointerTypeInfo(input_type, &input_data_type, |
| &input_storage_class)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be a pointer: " << spvOpcodeString(opcode); |
| |
| if (input_storage_class != SpvStorageClassGeneric) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have storage class Generic: " |
| << spvOpcodeString(opcode); |
| |
| if (result_data_type != input_data_type) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input and Result Type to point to the same type: " |
| << spvOpcodeString(opcode); |
| |
| if (target_storage_class != SpvStorageClassWorkgroup && |
| target_storage_class != SpvStorageClassCrossWorkgroup && |
| target_storage_class != SpvStorageClassFunction) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected target storage class to be Workgroup, " |
| << "CrossWorkgroup or Function: " << spvOpcodeString(opcode); |
| break; |
| } |
| |
| case SpvOpBitcast: { |
| const uint32_t input_type = _.GetOperandTypeId(inst, 2); |
| if (!input_type) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have a type: " << spvOpcodeString(opcode); |
| |
| const bool result_is_pointer = _.IsPointerType(result_type); |
| const bool result_is_int_scalar = _.IsIntScalarType(result_type); |
| const bool input_is_pointer = _.IsPointerType(input_type); |
| const bool input_is_int_scalar = _.IsIntScalarType(input_type); |
| |
| if (!result_is_pointer && !result_is_int_scalar && |
| !_.IsIntVectorType(result_type) && |
| !_.IsFloatScalarType(result_type) && |
| !_.IsFloatVectorType(result_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Result Type to be a pointer or int or float vector " |
| << "or scalar type: " << spvOpcodeString(opcode); |
| |
| if (!input_is_pointer && !input_is_int_scalar && |
| !_.IsIntVectorType(input_type) && !_.IsFloatScalarType(input_type) && |
| !_.IsFloatVectorType(input_type)) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be a pointer or int or float vector " |
| << "or scalar: " << spvOpcodeString(opcode); |
| |
| if (result_is_pointer && !input_is_pointer && !input_is_int_scalar) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to be a pointer or int scalar if Result Type " |
| << "is pointer: " << spvOpcodeString(opcode); |
| |
| if (input_is_pointer && !result_is_pointer && !result_is_int_scalar) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Pointer can only be converted to another pointer or int " |
| << "scalar: " << spvOpcodeString(opcode); |
| |
| if (!result_is_pointer && !input_is_pointer) { |
| const uint32_t result_size = |
| _.GetBitWidth(result_type) * _.GetDimension(result_type); |
| const uint32_t input_size = |
| _.GetBitWidth(input_type) * _.GetDimension(input_type); |
| if (result_size != input_size) |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected input to have the same total bit width as " |
| << "Result Type: " << spvOpcodeString(opcode); |
| } |
| break; |
| } |
| |
| default: |
| break; |
| } |
| |
| return SPV_SUCCESS; |
| } |
| |
| } // namespace val |
| } // namespace spvtools |
