| // 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 |