SPIRV-Tools/source/val/validate_non_uniform.cpp
Spencer Fricke 1b643eac5d
spirv-val: Make Constant evaluation consistent (#5587)
Bring 64-bit evaluation in line with 32-bit evaluation.
2024-02-21 17:52:13 -05:00

498 lines
19 KiB
C++

// Copyright (c) 2018 Google LLC.
//
// 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 barrier SPIR-V instructions.
#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/validate_scopes.h"
#include "source/val/validation_state.h"
namespace spvtools {
namespace val {
namespace {
spv_result_t ValidateGroupNonUniformElect(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsBoolScalarType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a boolean scalar type";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformAnyAll(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsBoolScalarType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a boolean scalar type";
}
if (!_.IsBoolScalarType(_.GetOperandTypeId(inst, 3))) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Predicate must be a boolean scalar type";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformAllEqual(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsBoolScalarType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a boolean scalar type";
}
const auto value_type = _.GetOperandTypeId(inst, 3);
if (!_.IsFloatScalarOrVectorType(value_type) &&
!_.IsIntScalarOrVectorType(value_type) &&
!_.IsBoolScalarOrVectorType(value_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a scalar or vector of integer, floating-point, or "
"boolean type";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformBroadcastShuffle(ValidationState_t& _,
const Instruction* inst) {
const auto type_id = inst->type_id();
if (!_.IsFloatScalarOrVectorType(type_id) &&
!_.IsIntScalarOrVectorType(type_id) &&
!_.IsBoolScalarOrVectorType(type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a scalar or vector of integer, floating-point, "
"or boolean type";
}
const auto value_type_id = _.GetOperandTypeId(inst, 3);
if (value_type_id != type_id) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "The type of Value must match the Result type";
}
const auto GetOperandName = [](const spv::Op opcode) {
std::string operand;
switch (opcode) {
case spv::Op::OpGroupNonUniformBroadcast:
case spv::Op::OpGroupNonUniformShuffle:
operand = "Id";
break;
case spv::Op::OpGroupNonUniformShuffleXor:
operand = "Mask";
break;
case spv::Op::OpGroupNonUniformQuadBroadcast:
operand = "Index";
break;
case spv::Op::OpGroupNonUniformQuadSwap:
operand = "Direction";
break;
case spv::Op::OpGroupNonUniformShuffleUp:
case spv::Op::OpGroupNonUniformShuffleDown:
default:
operand = "Delta";
break;
}
return operand;
};
const auto id_type_id = _.GetOperandTypeId(inst, 4);
if (!_.IsUnsignedIntScalarType(id_type_id)) {
std::string operand = GetOperandName(inst->opcode());
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< operand << " must be an unsigned integer scalar";
}
const bool should_be_constant =
inst->opcode() == spv::Op::OpGroupNonUniformQuadSwap ||
((inst->opcode() == spv::Op::OpGroupNonUniformBroadcast ||
inst->opcode() == spv::Op::OpGroupNonUniformQuadBroadcast) &&
_.version() < SPV_SPIRV_VERSION_WORD(1, 5));
if (should_be_constant) {
const auto id_id = inst->GetOperandAs<uint32_t>(4);
const auto id_op = _.GetIdOpcode(id_id);
if (!spvOpcodeIsConstant(id_op)) {
std::string operand = GetOperandName(inst->opcode());
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Before SPIR-V 1.5, " << operand
<< " must be a constant instruction";
}
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformBroadcastFirst(ValidationState_t& _,
const Instruction* inst) {
const auto type_id = inst->type_id();
if (!_.IsFloatScalarOrVectorType(type_id) &&
!_.IsIntScalarOrVectorType(type_id) &&
!_.IsBoolScalarOrVectorType(type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a scalar or vector of integer, floating-point, "
"or boolean type";
}
const auto value_type_id = _.GetOperandTypeId(inst, 3);
if (value_type_id != type_id) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "The type of Value must match the Result type";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformBallot(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsUnsignedIntVectorType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a 4-component unsigned integer vector";
}
if (_.GetDimension(inst->type_id()) != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a 4-component unsigned integer vector";
}
const auto pred_type_id = _.GetOperandTypeId(inst, 3);
if (!_.IsBoolScalarType(pred_type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Predicate must be a boolean scalar";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformInverseBallot(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsBoolScalarType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a boolean scalar";
}
const auto value_type_id = _.GetOperandTypeId(inst, 3);
if (!_.IsUnsignedIntVectorType(value_type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a 4-component unsigned integer vector";
}
if (_.GetDimension(value_type_id) != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a 4-component unsigned integer vector";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformBallotBitExtract(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsBoolScalarType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a boolean scalar";
}
const auto value_type_id = _.GetOperandTypeId(inst, 3);
if (!_.IsUnsignedIntVectorType(value_type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a 4-component unsigned integer vector";
}
if (_.GetDimension(value_type_id) != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a 4-component unsigned integer vector";
}
const auto id_type_id = _.GetOperandTypeId(inst, 4);
if (!_.IsUnsignedIntScalarType(id_type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Id must be an unsigned integer scalar";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformBallotBitCount(ValidationState_t& _,
const Instruction* inst) {
// Scope is already checked by ValidateExecutionScope() above.
const uint32_t result_type = inst->type_id();
if (!_.IsUnsignedIntScalarType(result_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected Result Type to be an unsigned integer type scalar.";
}
const auto value = inst->GetOperandAs<uint32_t>(4);
const auto value_type = _.FindDef(value)->type_id();
if (!_.IsUnsignedIntVectorType(value_type) ||
_.GetDimension(value_type) != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst) << "Expected Value to be a "
"vector of four components "
"of integer type scalar";
}
const auto group = inst->GetOperandAs<spv::GroupOperation>(3);
if (spvIsVulkanEnv(_.context()->target_env)) {
if ((group != spv::GroupOperation::Reduce) &&
(group != spv::GroupOperation::InclusiveScan) &&
(group != spv::GroupOperation::ExclusiveScan)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< _.VkErrorID(4685)
<< "In Vulkan: The OpGroupNonUniformBallotBitCount group "
"operation must be only: Reduce, InclusiveScan, or "
"ExclusiveScan.";
}
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformBallotFind(ValidationState_t& _,
const Instruction* inst) {
if (!_.IsUnsignedIntScalarType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be an unsigned integer scalar";
}
const auto value_type_id = _.GetOperandTypeId(inst, 3);
if (!_.IsUnsignedIntVectorType(value_type_id)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a 4-component unsigned integer vector";
}
if (_.GetDimension(value_type_id) != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Value must be a 4-component unsigned integer vector";
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformArithmetic(ValidationState_t& _,
const Instruction* inst) {
const bool is_unsigned = inst->opcode() == spv::Op::OpGroupNonUniformUMin ||
inst->opcode() == spv::Op::OpGroupNonUniformUMax;
const bool is_float = inst->opcode() == spv::Op::OpGroupNonUniformFAdd ||
inst->opcode() == spv::Op::OpGroupNonUniformFMul ||
inst->opcode() == spv::Op::OpGroupNonUniformFMin ||
inst->opcode() == spv::Op::OpGroupNonUniformFMax;
const bool is_bool = inst->opcode() == spv::Op::OpGroupNonUniformLogicalAnd ||
inst->opcode() == spv::Op::OpGroupNonUniformLogicalOr ||
inst->opcode() == spv::Op::OpGroupNonUniformLogicalXor;
if (is_float) {
if (!_.IsFloatScalarOrVectorType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a floating-point scalar or vector";
}
} else if (is_bool) {
if (!_.IsBoolScalarOrVectorType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be a boolean scalar or vector";
}
} else if (is_unsigned) {
if (!_.IsUnsignedIntScalarOrVectorType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be an unsigned integer scalar or vector";
}
} else if (!_.IsIntScalarOrVectorType(inst->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result must be an integer scalar or vector";
}
const auto value_type_id = _.GetOperandTypeId(inst, 4);
if (value_type_id != inst->type_id()) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "The type of Value must match the Result type";
}
const auto group_op = inst->GetOperandAs<spv::GroupOperation>(3);
bool is_clustered_reduce = group_op == spv::GroupOperation::ClusteredReduce;
bool is_partitioned_nv =
group_op == spv::GroupOperation::PartitionedReduceNV ||
group_op == spv::GroupOperation::PartitionedInclusiveScanNV ||
group_op == spv::GroupOperation::PartitionedExclusiveScanNV;
if (inst->operands().size() <= 5) {
if (is_clustered_reduce) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "ClusterSize must be present when Operation is ClusteredReduce";
} else if (is_partitioned_nv) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ballot must be present when Operation is PartitionedReduceNV, "
"PartitionedInclusiveScanNV, or PartitionedExclusiveScanNV";
}
} else {
const auto operand_id = inst->GetOperandAs<uint32_t>(5);
const auto* operand = _.FindDef(operand_id);
if (is_partitioned_nv) {
if (!operand || !_.IsIntScalarOrVectorType(operand->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ballot must be a 4-component integer vector";
}
if (_.GetDimension(operand->type_id()) != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ballot must be a 4-component integer vector";
}
} else {
if (!operand || !_.IsUnsignedIntScalarType(operand->type_id())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "ClusterSize must be an unsigned integer scalar";
}
if (!spvOpcodeIsConstant(operand->opcode())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "ClusterSize must be a constant instruction";
}
}
}
return SPV_SUCCESS;
}
spv_result_t ValidateGroupNonUniformRotateKHR(ValidationState_t& _,
const Instruction* inst) {
// Scope is already checked by ValidateExecutionScope() above.
const uint32_t result_type = inst->type_id();
if (!_.IsIntScalarOrVectorType(result_type) &&
!_.IsFloatScalarOrVectorType(result_type) &&
!_.IsBoolScalarOrVectorType(result_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected Result Type to be a scalar or vector of "
"floating-point, integer or boolean type.";
}
const uint32_t value_type = _.GetTypeId(inst->GetOperandAs<uint32_t>(3));
if (value_type != result_type) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Result Type must be the same as the type of Value.";
}
const uint32_t delta_type = _.GetTypeId(inst->GetOperandAs<uint32_t>(4));
if (!_.IsUnsignedIntScalarType(delta_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Delta must be a scalar of integer type, whose Signedness "
"operand is 0.";
}
if (inst->words().size() > 6) {
const uint32_t cluster_size_op_id = inst->GetOperandAs<uint32_t>(5);
const Instruction* cluster_size_inst = _.FindDef(cluster_size_op_id);
const uint32_t cluster_size_type =
cluster_size_inst ? cluster_size_inst->type_id() : 0;
if (!_.IsUnsignedIntScalarType(cluster_size_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "ClusterSize must be a scalar of integer type, whose "
"Signedness operand is 0.";
}
if (!spvOpcodeIsConstant(cluster_size_inst->opcode())) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "ClusterSize must come from a constant instruction.";
}
uint64_t cluster_size;
const bool valid_const =
_.EvalConstantValUint64(cluster_size_op_id, &cluster_size);
if (valid_const &&
((cluster_size == 0) || ((cluster_size & (cluster_size - 1)) != 0))) {
return _.diag(SPV_WARNING, inst)
<< "Behavior is undefined unless ClusterSize is at least 1 and a "
"power of 2.";
}
// TODO(kpet) Warn about undefined behavior when ClusterSize is greater than
// the declared SubGroupSize
}
return SPV_SUCCESS;
}
} // namespace
// Validates correctness of non-uniform group instructions.
spv_result_t NonUniformPass(ValidationState_t& _, const Instruction* inst) {
const spv::Op opcode = inst->opcode();
if (spvOpcodeIsNonUniformGroupOperation(opcode)) {
// OpGroupNonUniformQuadAllKHR and OpGroupNonUniformQuadAnyKHR don't have
// scope paramter
if ((opcode != spv::Op::OpGroupNonUniformQuadAllKHR) &&
(opcode != spv::Op::OpGroupNonUniformQuadAnyKHR)) {
const uint32_t execution_scope = inst->GetOperandAs<uint32_t>(2);
if (auto error = ValidateExecutionScope(_, inst, execution_scope)) {
return error;
}
}
}
switch (opcode) {
case spv::Op::OpGroupNonUniformElect:
return ValidateGroupNonUniformElect(_, inst);
case spv::Op::OpGroupNonUniformAny:
case spv::Op::OpGroupNonUniformAll:
return ValidateGroupNonUniformAnyAll(_, inst);
case spv::Op::OpGroupNonUniformAllEqual:
return ValidateGroupNonUniformAllEqual(_, inst);
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:
return ValidateGroupNonUniformBroadcastShuffle(_, inst);
case spv::Op::OpGroupNonUniformBroadcastFirst:
return ValidateGroupNonUniformBroadcastFirst(_, inst);
case spv::Op::OpGroupNonUniformBallot:
return ValidateGroupNonUniformBallot(_, inst);
case spv::Op::OpGroupNonUniformInverseBallot:
return ValidateGroupNonUniformInverseBallot(_, inst);
case spv::Op::OpGroupNonUniformBallotBitExtract:
return ValidateGroupNonUniformBallotBitExtract(_, inst);
case spv::Op::OpGroupNonUniformBallotBitCount:
return ValidateGroupNonUniformBallotBitCount(_, inst);
case spv::Op::OpGroupNonUniformBallotFindLSB:
case spv::Op::OpGroupNonUniformBallotFindMSB:
return ValidateGroupNonUniformBallotFind(_, inst);
case spv::Op::OpGroupNonUniformIAdd:
case spv::Op::OpGroupNonUniformFAdd:
case spv::Op::OpGroupNonUniformIMul:
case spv::Op::OpGroupNonUniformFMul:
case spv::Op::OpGroupNonUniformSMin:
case spv::Op::OpGroupNonUniformUMin:
case spv::Op::OpGroupNonUniformFMin:
case spv::Op::OpGroupNonUniformSMax:
case spv::Op::OpGroupNonUniformUMax:
case spv::Op::OpGroupNonUniformFMax:
case spv::Op::OpGroupNonUniformBitwiseAnd:
case spv::Op::OpGroupNonUniformBitwiseOr:
case spv::Op::OpGroupNonUniformBitwiseXor:
case spv::Op::OpGroupNonUniformLogicalAnd:
case spv::Op::OpGroupNonUniformLogicalOr:
case spv::Op::OpGroupNonUniformLogicalXor:
return ValidateGroupNonUniformArithmetic(_, inst);
case spv::Op::OpGroupNonUniformRotateKHR:
return ValidateGroupNonUniformRotateKHR(_, inst);
default:
break;
}
return SPV_SUCCESS;
}
} // namespace val
} // namespace spvtools