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// Copyright (c) 2025 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.
// Performs validation of invalid type instructions.
#include <vector>
#include "source/opcode.h"
#include "source/val/instruction.h"
#include "source/val/validate.h"
#include "source/val/validation_state.h"
namespace spvtools {
namespace val {
// Validates correctness of certain special type instructions.
spv_result_t InvalidTypePass(ValidationState_t& _, const Instruction* inst) {
const spv::Op opcode = inst->opcode();
switch (opcode) {
// OpExtInst
case spv::Op::OpExtInst:
// Arithmetic Instructions
case spv::Op::OpFAdd:
case spv::Op::OpFSub:
case spv::Op::OpFMul:
case spv::Op::OpFDiv:
case spv::Op::OpFRem:
case spv::Op::OpFMod:
case spv::Op::OpFNegate:
// Derivative Instructions
case spv::Op::OpDPdx:
case spv::Op::OpDPdy:
case spv::Op::OpFwidth:
case spv::Op::OpDPdxFine:
case spv::Op::OpDPdyFine:
case spv::Op::OpFwidthFine:
case spv::Op::OpDPdxCoarse:
case spv::Op::OpDPdyCoarse:
case spv::Op::OpFwidthCoarse:
// Atomic Instructions
case spv::Op::OpAtomicFAddEXT:
case spv::Op::OpAtomicFMinEXT:
case spv::Op::OpAtomicFMaxEXT:
case spv::Op::OpAtomicLoad:
case spv::Op::OpAtomicExchange:
// Group and Subgroup Instructions
case spv::Op::OpGroupNonUniformRotateKHR:
case spv::Op::OpGroupNonUniformBroadcast:
case spv::Op::OpGroupNonUniformShuffle:
case spv::Op::OpGroupNonUniformShuffleXor:
case spv::Op::OpGroupNonUniformShuffleUp:
case spv::Op::OpGroupNonUniformShuffleDown:
case spv::Op::OpGroupNonUniformQuadBroadcast:
case spv::Op::OpGroupNonUniformQuadSwap:
case spv::Op::OpGroupNonUniformBroadcastFirst:
case spv::Op::OpGroupNonUniformFAdd:
case spv::Op::OpGroupNonUniformFMul:
case spv::Op::OpGroupNonUniformFMin: {
const uint32_t result_type = inst->type_id();
if (_.IsBfloat16Type(result_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode) << " doesn't support BFloat16 type.";
}
if (_.IsFP8Type(result_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< " doesn't support FP8 E4M3/E5M2 types.";
}
break;
}
case spv::Op::OpAtomicStore: {
uint32_t data_type =
_.FindDef(inst->GetOperandAs<uint32_t>(3))->type_id();
if (_.IsBfloat16VectorType(data_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode) << " doesn't support BFloat16 type.";
}
if (_.IsFP8VectorType(data_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< " doesn't support FP8 E4M3/E5M2 types.";
}
break;
}
// Relational and Logical Instructions
case spv::Op::OpIsNan:
case spv::Op::OpIsInf:
case spv::Op::OpIsFinite:
case spv::Op::OpIsNormal:
case spv::Op::OpSignBitSet: {
const uint32_t operand_type = _.GetOperandTypeId(inst, 2);
if (_.IsBfloat16Type(operand_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode) << " doesn't support BFloat16 type.";
}
if (_.IsFP8Type(operand_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< " doesn't support FP8 E4M3/E5M2 types.";
}
break;
}
case spv::Op::OpGroupNonUniformAllEqual: {
const auto value_type = _.GetOperandTypeId(inst, 3);
if (_.IsBfloat16Type(value_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode) << " doesn't support BFloat16 type.";
}
if (_.IsFP8Type(value_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< " doesn't support FP8 E4M3/E5M2 types.";
}
break;
}
case spv::Op::OpMatrixTimesMatrix: {
const uint32_t result_type = inst->type_id();
uint32_t res_num_rows = 0;
uint32_t res_num_cols = 0;
uint32_t res_col_type = 0;
uint32_t res_component_type = 0;
if (_.GetMatrixTypeInfo(result_type, &res_num_rows, &res_num_cols,
&res_col_type, &res_component_type)) {
if (_.IsBfloat16Type(res_component_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< " doesn't support BFloat16 type.";
}
if (_.IsFP8Type(res_component_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< " doesn't support FP8 E4M3/E5M2 types.";
}
}
break;
}
default:
break;
}
return SPV_SUCCESS;
}
} // namespace val
} // namespace spvtools
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