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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.
// Validates correctness of conversion instructions.
#include "source/diagnostic.h"
#include "source/opcode.h"
#include "source/spirv_constant.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 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) &&
!_.IsUnsignedIntCooperativeMatrixType(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) &&
!_.IsFloatCooperativeMatrixType(input_type)))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be float scalar or vector: "
<< spvOpcodeString(opcode);
if (_.IsCooperativeMatrixType(result_type) ||
_.IsCooperativeMatrixType(input_type)) {
spv_result_t ret =
_.CooperativeMatrixShapesMatch(inst, result_type, input_type);
if (ret != SPV_SUCCESS) return ret;
} else {
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 SpvOpConvertFToS: {
if (!_.IsIntScalarType(result_type) && !_.IsIntVectorType(result_type) &&
!_.IsIntCooperativeMatrixType(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) &&
!_.IsFloatCooperativeMatrixType(input_type)))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be float scalar or vector: "
<< spvOpcodeString(opcode);
if (_.IsCooperativeMatrixType(result_type) ||
_.IsCooperativeMatrixType(input_type)) {
spv_result_t ret =
_.CooperativeMatrixShapesMatch(inst, result_type, input_type);
if (ret != SPV_SUCCESS) return ret;
} else {
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 SpvOpConvertSToF:
case SpvOpConvertUToF: {
if (!_.IsFloatScalarType(result_type) &&
!_.IsFloatVectorType(result_type) &&
!_.IsFloatCooperativeMatrixType(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) &&
!_.IsIntCooperativeMatrixType(input_type)))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be int scalar or vector: "
<< spvOpcodeString(opcode);
if (_.IsCooperativeMatrixType(result_type) ||
_.IsCooperativeMatrixType(input_type)) {
spv_result_t ret =
_.CooperativeMatrixShapesMatch(inst, result_type, input_type);
if (ret != SPV_SUCCESS) return ret;
} else {
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 SpvOpUConvert: {
if (!_.IsUnsignedIntScalarType(result_type) &&
!_.IsUnsignedIntVectorType(result_type) &&
!_.IsUnsignedIntCooperativeMatrixType(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) &&
!_.IsIntCooperativeMatrixType(input_type)))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be int scalar or vector: "
<< spvOpcodeString(opcode);
if (_.IsCooperativeMatrixType(result_type) ||
_.IsCooperativeMatrixType(input_type)) {
spv_result_t ret =
_.CooperativeMatrixShapesMatch(inst, result_type, input_type);
if (ret != SPV_SUCCESS) return ret;
} else {
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) &&
!_.IsIntCooperativeMatrixType(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) &&
!_.IsIntCooperativeMatrixType(input_type)))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be int scalar or vector: "
<< spvOpcodeString(opcode);
if (_.IsCooperativeMatrixType(result_type) ||
_.IsCooperativeMatrixType(input_type)) {
spv_result_t ret =
_.CooperativeMatrixShapesMatch(inst, result_type, input_type);
if (ret != SPV_SUCCESS) return ret;
} else {
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) &&
!_.IsFloatCooperativeMatrixType(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) &&
!_.IsFloatCooperativeMatrixType(input_type)))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be float scalar or vector: "
<< spvOpcodeString(opcode);
if (_.IsCooperativeMatrixType(result_type) ||
_.IsCooperativeMatrixType(input_type)) {
spv_result_t ret =
_.CooperativeMatrixShapesMatch(inst, result_type, input_type);
if (ret != SPV_SUCCESS) return ret;
} else {
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() == SpvAddressingModelPhysicalStorageBuffer64) {
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 != SpvStorageClassPhysicalStorageBuffer)
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Pointer storage class must be PhysicalStorageBuffer: "
<< spvOpcodeString(opcode);
if (spvIsVulkanEnv(_.context()->target_env)) {
if (_.GetBitWidth(result_type) != 64) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< _.VkErrorID(4710)
<< "PhysicalStorageBuffer64 addressing mode requires the "
"result integer type to have a 64-bit width for Vulkan "
"environment.";
}
}
}
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() == SpvAddressingModelPhysicalStorageBuffer64) {
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 != SpvStorageClassPhysicalStorageBuffer)
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Pointer storage class must be PhysicalStorageBuffer: "
<< spvOpcodeString(opcode);
if (spvIsVulkanEnv(_.context()->target_env)) {
if (_.GetBitWidth(input_type) != 64) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< _.VkErrorID(4710)
<< "PhysicalStorageBuffer64 addressing mode requires the "
"input integer to have a 64-bit width for Vulkan "
"environment.";
}
}
}
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 (_.version() >= SPV_SPIRV_VERSION_WORD(1, 5) ||
_.HasExtension(kSPV_KHR_physical_storage_buffer)) {
const bool result_is_int_vector = _.IsIntVectorType(result_type);
const bool result_has_int32 =
_.ContainsSizedIntOrFloatType(result_type, SpvOpTypeInt, 32);
const bool input_is_int_vector = _.IsIntVectorType(input_type);
const bool input_has_int32 =
_.ContainsSizedIntOrFloatType(input_type, SpvOpTypeInt, 32);
if (result_is_pointer && !input_is_pointer && !input_is_int_scalar &&
!(input_is_int_vector && input_has_int32))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected input to be a pointer, int scalar or 32-bit int "
"vector if Result Type is pointer: "
<< spvOpcodeString(opcode);
if (input_is_pointer && !result_is_pointer && !result_is_int_scalar &&
!(result_is_int_vector && result_has_int32))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Pointer can only be converted to another pointer, int "
"scalar or 32-bit int vector: "
<< spvOpcodeString(opcode);
} else {
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;
}
if (_.HasCapability(SpvCapabilityShader)) {
switch (inst->opcode()) {
case SpvOpConvertFToU:
case SpvOpConvertFToS:
case SpvOpConvertSToF:
case SpvOpConvertUToF:
case SpvOpBitcast:
if (_.ContainsLimitedUseIntOrFloatType(inst->type_id()) ||
_.ContainsLimitedUseIntOrFloatType(_.GetOperandTypeId(inst, 2u))) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "8- or 16-bit types can only be used with width-only "
"conversions";
}
break;
default:
break;
}
}
return SPV_SUCCESS;
}
} // namespace val
} // namespace spvtools
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