|  | // 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 logical SPIR-V 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 logical instructions. | 
|  | spv_result_t LogicalsPass(ValidationState_t& _, const Instruction* inst) { | 
|  | const SpvOp opcode = inst->opcode(); | 
|  | const uint32_t result_type = inst->type_id(); | 
|  |  | 
|  | switch (opcode) { | 
|  | case SpvOpAny: | 
|  | case SpvOpAll: { | 
|  | if (!_.IsBoolScalarType(result_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar type as Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | const uint32_t vector_type = _.GetOperandTypeId(inst, 2); | 
|  | if (!vector_type || !_.IsBoolVectorType(vector_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected operand to be vector bool: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpIsNan: | 
|  | case SpvOpIsInf: | 
|  | case SpvOpIsFinite: | 
|  | case SpvOpIsNormal: | 
|  | case SpvOpSignBitSet: { | 
|  | if (!_.IsBoolScalarType(result_type) && !_.IsBoolVectorType(result_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar or vector type as Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | const uint32_t operand_type = _.GetOperandTypeId(inst, 2); | 
|  | if (!operand_type || (!_.IsFloatScalarType(operand_type) && | 
|  | !_.IsFloatVectorType(operand_type))) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected operand to be scalar or vector float: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (_.GetDimension(result_type) != _.GetDimension(operand_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected vector sizes of Result Type and the operand to be " | 
|  | "equal: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpFOrdEqual: | 
|  | case SpvOpFUnordEqual: | 
|  | case SpvOpFOrdNotEqual: | 
|  | case SpvOpFUnordNotEqual: | 
|  | case SpvOpFOrdLessThan: | 
|  | case SpvOpFUnordLessThan: | 
|  | case SpvOpFOrdGreaterThan: | 
|  | case SpvOpFUnordGreaterThan: | 
|  | case SpvOpFOrdLessThanEqual: | 
|  | case SpvOpFUnordLessThanEqual: | 
|  | case SpvOpFOrdGreaterThanEqual: | 
|  | case SpvOpFUnordGreaterThanEqual: | 
|  | case SpvOpLessOrGreater: | 
|  | case SpvOpOrdered: | 
|  | case SpvOpUnordered: { | 
|  | if (!_.IsBoolScalarType(result_type) && !_.IsBoolVectorType(result_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar or vector type as Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | const uint32_t left_operand_type = _.GetOperandTypeId(inst, 2); | 
|  | if (!left_operand_type || (!_.IsFloatScalarType(left_operand_type) && | 
|  | !_.IsFloatVectorType(left_operand_type))) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected operands to be scalar or vector float: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (_.GetDimension(result_type) != _.GetDimension(left_operand_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected vector sizes of Result Type and the operands to be " | 
|  | "equal: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (left_operand_type != _.GetOperandTypeId(inst, 3)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected left and right operands to have the same type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpLogicalEqual: | 
|  | case SpvOpLogicalNotEqual: | 
|  | case SpvOpLogicalOr: | 
|  | case SpvOpLogicalAnd: { | 
|  | if (!_.IsBoolScalarType(result_type) && !_.IsBoolVectorType(result_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar or vector type as Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (result_type != _.GetOperandTypeId(inst, 2) || | 
|  | result_type != _.GetOperandTypeId(inst, 3)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected both operands to be of Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpLogicalNot: { | 
|  | if (!_.IsBoolScalarType(result_type) && !_.IsBoolVectorType(result_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar or vector type as Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (result_type != _.GetOperandTypeId(inst, 2)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected operand to be of Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpSelect: { | 
|  | uint32_t dimension = 1; | 
|  | { | 
|  | const Instruction* type_inst = _.FindDef(result_type); | 
|  | assert(type_inst); | 
|  |  | 
|  | const auto composites = _.features().select_between_composites; | 
|  | auto fail = [&_, composites, inst, opcode]() -> spv_result_t { | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected scalar or " | 
|  | << (composites ? "composite" : "vector") | 
|  | << " type as Result Type: " << spvOpcodeString(opcode); | 
|  | }; | 
|  |  | 
|  | const SpvOp type_opcode = type_inst->opcode(); | 
|  | switch (type_opcode) { | 
|  | case SpvOpTypePointer: { | 
|  | if (_.addressing_model() == SpvAddressingModelLogical && | 
|  | !_.features().variable_pointers && | 
|  | !_.features().variable_pointers_storage_buffer) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Using pointers with OpSelect requires capability " | 
|  | << "VariablePointers or VariablePointersStorageBuffer"; | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpTypeVector: { | 
|  | dimension = type_inst->word(3); | 
|  | break; | 
|  | } | 
|  |  | 
|  | case SpvOpTypeBool: | 
|  | case SpvOpTypeInt: | 
|  | case SpvOpTypeFloat: { | 
|  | break; | 
|  | } | 
|  |  | 
|  | // Not RuntimeArray because of other rules. | 
|  | case SpvOpTypeArray: | 
|  | case SpvOpTypeMatrix: | 
|  | case SpvOpTypeStruct: { | 
|  | if (!composites) return fail(); | 
|  | break; | 
|  | } | 
|  |  | 
|  | default: | 
|  | return fail(); | 
|  | } | 
|  |  | 
|  | const uint32_t condition_type = _.GetOperandTypeId(inst, 2); | 
|  | const uint32_t left_type = _.GetOperandTypeId(inst, 3); | 
|  | const uint32_t right_type = _.GetOperandTypeId(inst, 4); | 
|  |  | 
|  | if (!condition_type || (!_.IsBoolScalarType(condition_type) && | 
|  | !_.IsBoolVectorType(condition_type))) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar or vector type as condition: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (_.GetDimension(condition_type) != dimension) { | 
|  | // If the condition is a vector type, then the result must also be a | 
|  | // vector with matching dimensions. In SPIR-V 1.4, a scalar condition | 
|  | // can be used to select between vector types. |composites| is a | 
|  | // proxy for SPIR-V 1.4 functionality. | 
|  | if (!composites || _.IsBoolVectorType(condition_type)) { | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected vector sizes of Result Type and the condition " | 
|  | "to be equal: " | 
|  | << spvOpcodeString(opcode); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (result_type != left_type || result_type != right_type) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected both objects to be of Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | case SpvOpIEqual: | 
|  | case SpvOpINotEqual: | 
|  | case SpvOpUGreaterThan: | 
|  | case SpvOpUGreaterThanEqual: | 
|  | case SpvOpULessThan: | 
|  | case SpvOpULessThanEqual: | 
|  | case SpvOpSGreaterThan: | 
|  | case SpvOpSGreaterThanEqual: | 
|  | case SpvOpSLessThan: | 
|  | case SpvOpSLessThanEqual: { | 
|  | if (!_.IsBoolScalarType(result_type) && !_.IsBoolVectorType(result_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected bool scalar or vector type as Result Type: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | const uint32_t left_type = _.GetOperandTypeId(inst, 2); | 
|  | const uint32_t right_type = _.GetOperandTypeId(inst, 3); | 
|  |  | 
|  | if (!left_type || | 
|  | (!_.IsIntScalarType(left_type) && !_.IsIntVectorType(left_type))) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected operands to be scalar or vector int: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (_.GetDimension(result_type) != _.GetDimension(left_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected vector sizes of Result Type and the operands to be" | 
|  | << " equal: " << spvOpcodeString(opcode); | 
|  |  | 
|  | if (!right_type || | 
|  | (!_.IsIntScalarType(right_type) && !_.IsIntVectorType(right_type))) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected operands to be scalar or vector int: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | if (_.GetDimension(result_type) != _.GetDimension(right_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected vector sizes of Result Type and the operands to be" | 
|  | << " equal: " << spvOpcodeString(opcode); | 
|  |  | 
|  | if (_.GetBitWidth(left_type) != _.GetBitWidth(right_type)) | 
|  | return _.diag(SPV_ERROR_INVALID_DATA, inst) | 
|  | << "Expected both operands to have the same component bit " | 
|  | "width: " | 
|  | << spvOpcodeString(opcode); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | return SPV_SUCCESS; | 
|  | } | 
|  |  | 
|  | }  // namespace val | 
|  | }  // namespace spvtools |