spirv-fuzz: Add one parameter at a time (#3469)
Fixes #3467.
Fixes #3468.
diff --git a/source/fuzz/CMakeLists.txt b/source/fuzz/CMakeLists.txt
index 8893d3e..d147408 100644
--- a/source/fuzz/CMakeLists.txt
+++ b/source/fuzz/CMakeLists.txt
@@ -95,7 +95,7 @@
transformation_add_global_variable.h
transformation_add_local_variable.h
transformation_add_no_contraction_decoration.h
- transformation_add_parameters.h
+ transformation_add_parameter.h
transformation_add_spec_constant_op.h
transformation_add_type_array.h
transformation_add_type_boolean.h
@@ -202,7 +202,7 @@
transformation_add_global_variable.cpp
transformation_add_local_variable.cpp
transformation_add_no_contraction_decoration.cpp
- transformation_add_parameters.cpp
+ transformation_add_parameter.cpp
transformation_add_spec_constant_op.cpp
transformation_add_type_array.cpp
transformation_add_type_boolean.cpp
diff --git a/source/fuzz/fuzzer_pass_add_parameters.cpp b/source/fuzz/fuzzer_pass_add_parameters.cpp
index c931302..9273452 100644
--- a/source/fuzz/fuzzer_pass_add_parameters.cpp
+++ b/source/fuzz/fuzzer_pass_add_parameters.cpp
@@ -17,7 +17,7 @@
#include "source/fuzz/fuzzer_context.h"
#include "source/fuzz/fuzzer_util.h"
#include "source/fuzz/instruction_descriptor.h"
-#include "source/fuzz/transformation_add_parameters.h"
+#include "source/fuzz/transformation_add_parameter.h"
namespace spvtools {
namespace fuzz {
@@ -57,50 +57,17 @@
continue;
}
- const auto* type_inst =
- fuzzerutil::GetFunctionType(GetIRContext(), &function);
- assert(type_inst);
-
- // -1 because we don't take return type into account.
- auto num_old_parameters = type_inst->NumInOperands() - 1;
auto num_new_parameters =
GetFuzzerContext()->GetRandomNumberOfNewParameters(
GetNumberOfParameters(function));
-
- std::vector<uint32_t> all_types(num_old_parameters);
- std::vector<uint32_t> new_types(num_new_parameters);
- std::vector<uint32_t> parameter_ids(num_new_parameters);
- std::vector<uint32_t> constant_ids(num_new_parameters);
-
- // Get type ids for old parameters.
- for (uint32_t i = 0; i < num_old_parameters; ++i) {
- // +1 since we don't take return type into account.
- all_types[i] = type_inst->GetSingleWordInOperand(i + 1);
- }
-
for (uint32_t i = 0; i < num_new_parameters; ++i) {
- // Get type ids for new parameters.
- new_types[i] =
- type_candidates[GetFuzzerContext()->RandomIndex(type_candidates)];
-
- // Create constants to initialize new parameters from.
- constant_ids[i] = FindOrCreateZeroConstant(new_types[i]);
+ ApplyTransformation(TransformationAddParameter(
+ function.result_id(), GetFuzzerContext()->GetFreshId(),
+ FindOrCreateZeroConstant(
+ type_candidates[GetFuzzerContext()->RandomIndex(
+ type_candidates)]),
+ GetFuzzerContext()->GetFreshId()));
}
-
- // Append new parameters to the old ones.
- all_types.insert(all_types.end(), new_types.begin(), new_types.end());
-
- // Generate result ids for new parameters.
- for (auto& id : parameter_ids) {
- id = GetFuzzerContext()->GetFreshId();
- }
-
- auto result_type_id = type_inst->GetSingleWordInOperand(0);
- ApplyTransformation(TransformationAddParameters(
- function.result_id(),
- FindOrCreateFunctionType(result_type_id, all_types),
- std::move(new_types), std::move(parameter_ids),
- std::move(constant_ids)));
}
}
diff --git a/source/fuzz/fuzzer_pass_permute_function_parameters.cpp b/source/fuzz/fuzzer_pass_permute_function_parameters.cpp
index 57d9cab..e15aef6 100644
--- a/source/fuzz/fuzzer_pass_permute_function_parameters.cpp
+++ b/source/fuzz/fuzzer_pass_permute_function_parameters.cpp
@@ -61,20 +61,9 @@
std::iota(permutation.begin(), permutation.end(), 0);
GetFuzzerContext()->Shuffle(&permutation);
- // Create a new OpFunctionType instruction with permuted arguments
- // if needed
- auto result_type_id = function_type->GetSingleWordInOperand(0);
- std::vector<uint32_t> argument_ids;
-
- for (auto index : permutation) {
- // +1 to take function's return type into account
- argument_ids.push_back(function_type->GetSingleWordInOperand(index + 1));
- }
-
// Apply our transformation
ApplyTransformation(TransformationPermuteFunctionParameters(
- function_id, FindOrCreateFunctionType(result_type_id, argument_ids),
- permutation));
+ function_id, GetFuzzerContext()->GetFreshId(), permutation));
}
}
diff --git a/source/fuzz/fuzzer_util.cpp b/source/fuzz/fuzzer_util.cpp
index 79881fc..7b137cf 100644
--- a/source/fuzz/fuzzer_util.cpp
+++ b/source/fuzz/fuzzer_util.cpp
@@ -12,11 +12,11 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+#include "source/fuzz/fuzzer_util.h"
+
#include <algorithm>
#include <unordered_set>
-#include "source/fuzz/fuzzer_util.h"
-
#include "source/opt/build_module.h"
namespace spvtools {
@@ -590,6 +590,8 @@
uint32_t type_id, SpvStorageClass storage_class,
uint32_t initializer_id) {
// Check various preconditions.
+ assert(result_id != 0 && "Result id can't be 0");
+
assert((storage_class == SpvStorageClassPrivate ||
storage_class == SpvStorageClassWorkgroup) &&
"Variable's storage class must be either Private or Workgroup");
@@ -631,6 +633,8 @@
uint32_t type_id, uint32_t function_id,
uint32_t initializer_id) {
// Check various preconditions.
+ assert(result_id != 0 && "Result id can't be 0");
+
auto* type_inst = context->get_def_use_mgr()->GetDef(type_id);
(void)type_inst; // Variable becomes unused in release mode.
assert(type_inst && type_inst->opcode() == SpvOpTypePointer &&
@@ -687,6 +691,44 @@
return result;
}
+void AddFunctionType(opt::IRContext* ir_context, uint32_t result_id,
+ const std::vector<uint32_t>& type_ids) {
+ assert(result_id != 0 && "Result id can't be 0");
+ assert(!type_ids.empty() &&
+ "OpTypeFunction always has at least one operand - function's return "
+ "type");
+ assert(IsNonFunctionTypeId(ir_context, type_ids[0]) &&
+ "Return type must not be a function");
+
+ for (size_t i = 1; i < type_ids.size(); ++i) {
+ const auto* param_type = ir_context->get_type_mgr()->GetType(type_ids[i]);
+ (void)param_type; // Make compiler happy in release mode.
+ assert(param_type && !param_type->AsVoid() && !param_type->AsFunction() &&
+ "Function parameter can't have a function or void type");
+ }
+
+ opt::Instruction::OperandList operands;
+ operands.reserve(type_ids.size());
+ for (auto id : type_ids) {
+ operands.push_back({SPV_OPERAND_TYPE_ID, {id}});
+ }
+
+ ir_context->AddType(MakeUnique<opt::Instruction>(
+ ir_context, SpvOpTypeFunction, 0, result_id, std::move(operands)));
+
+ UpdateModuleIdBound(ir_context, result_id);
+}
+
+uint32_t FindOrCreateFunctionType(opt::IRContext* ir_context,
+ uint32_t result_id,
+ const std::vector<uint32_t>& type_ids) {
+ if (auto existing_id = FindFunctionType(ir_context, type_ids)) {
+ return existing_id;
+ }
+ AddFunctionType(ir_context, result_id, type_ids);
+ return result_id;
+}
+
} // namespace fuzzerutil
} // namespace fuzz
diff --git a/source/fuzz/fuzzer_util.h b/source/fuzz/fuzzer_util.h
index 0cc5d49..7928df0 100644
--- a/source/fuzz/fuzzer_util.h
+++ b/source/fuzz/fuzzer_util.h
@@ -266,6 +266,24 @@
std::vector<opt::Instruction*> GetParameters(opt::IRContext* ir_context,
uint32_t function_id);
+// Creates new OpTypeFunction instruction in the module. |type_ids| may not be
+// empty. It may not contain result ids of OpTypeFunction instructions.
+// |type_ids[i]| may not be a result id of OpTypeVoid instruction for |i >= 1|.
+// |result_id| may not equal to 0. Updates module's id bound to accommodate for
+// |result_id|.
+void AddFunctionType(opt::IRContext* ir_context, uint32_t result_id,
+ const std::vector<uint32_t>& type_ids);
+
+// Returns a result id of an OpTypeFunction instruction in the module. Creates a
+// new instruction if required and returns |result_id|. type_ids| may not be
+// empty. It may not contain result ids of OpTypeFunction instructions.
+// |type_ids[i]| may not be a result id of OpTypeVoid instruction for |i >= 1|.
+// |result_id| must not be equal to 0. Updates module's id bound to accommodate
+// for |result_id|.
+uint32_t FindOrCreateFunctionType(opt::IRContext* ir_context,
+ uint32_t result_id,
+ const std::vector<uint32_t>& type_ids);
+
} // namespace fuzzerutil
} // namespace fuzz
diff --git a/source/fuzz/protobufs/spvtoolsfuzz.proto b/source/fuzz/protobufs/spvtoolsfuzz.proto
index 7b8adc0..7e0db3e 100644
--- a/source/fuzz/protobufs/spvtoolsfuzz.proto
+++ b/source/fuzz/protobufs/spvtoolsfuzz.proto
@@ -380,7 +380,7 @@
TransformationReplaceLinearAlgebraInstruction replace_linear_algebra_instruction = 49;
TransformationSwapConditionalBranchOperands swap_conditional_branch_operands = 50;
TransformationPermutePhiOperands permute_phi_operands = 51;
- TransformationAddParameters add_parameters = 52;
+ TransformationAddParameter add_parameter = 52;
// Add additional option using the next available number.
}
}
@@ -624,24 +624,25 @@
}
-message TransformationAddParameters {
+message TransformationAddParameter {
- // Adds new parameters into the function.
+ // Adds a new parameter into the function.
// Result id of the function to add parameters to.
uint32 function_id = 1;
- // New type of the function.
- uint32 new_type_id = 2;
+ // Fresh id for a new parameter.
+ uint32 parameter_fresh_id = 2;
- // Type ids of parameters to add to the function.
- repeated uint32 new_parameter_type = 3;
+ // Result id of the instruction, used to initializer new parameter
+ // in function calls. Type id of that instruction is the type id of the parameter.
+ // It may not be OpTypeVoid.
+ uint32 initializer_id = 3;
- // Result ids for new parameters.
- repeated uint32 new_parameter_id = 4;
-
- // Constants to initialize new parameters from.
- repeated uint32 constant_id = 5;
+ // A fresh id for a new function type. This might not be used
+ // if a required function type already exists or if we can change
+ // the old function type.
+ uint32 function_type_fresh_id = 4;
}
@@ -1011,12 +1012,10 @@
// Function, whose parameters will be permuted
uint32 function_id = 1;
- // |new_type_id| is a result id of a valid OpTypeFunction instruction.
- // New type is valid if:
- // - it has the same number of operands as the old one
- // - function's result type is the same as the old one
- // - function's arguments are permuted according to |permutation| vector
- uint32 new_type_id = 2;
+ // Fresh id for a new type of the function. This might not be used
+ // if a required function type already exists or if we can change
+ // the old function type.
+ uint32 function_type_fresh_id = 2;
// An array of size |n|, where |n| is a number of arguments to a function
// with |function_id|. For each i: 0 <= permutation[i] < n.
diff --git a/source/fuzz/transformation.cpp b/source/fuzz/transformation.cpp
index 3177de0..ac16a9f 100644
--- a/source/fuzz/transformation.cpp
+++ b/source/fuzz/transformation.cpp
@@ -30,7 +30,7 @@
#include "source/fuzz/transformation_add_global_variable.h"
#include "source/fuzz/transformation_add_local_variable.h"
#include "source/fuzz/transformation_add_no_contraction_decoration.h"
-#include "source/fuzz/transformation_add_parameters.h"
+#include "source/fuzz/transformation_add_parameter.h"
#include "source/fuzz/transformation_add_spec_constant_op.h"
#include "source/fuzz/transformation_add_type_array.h"
#include "source/fuzz/transformation_add_type_boolean.h"
@@ -115,8 +115,8 @@
kAddNoContractionDecoration:
return MakeUnique<TransformationAddNoContractionDecoration>(
message.add_no_contraction_decoration());
- case protobufs::Transformation::TransformationCase::kAddParameters:
- return MakeUnique<TransformationAddParameters>(message.add_parameters());
+ case protobufs::Transformation::TransformationCase::kAddParameter:
+ return MakeUnique<TransformationAddParameter>(message.add_parameter());
case protobufs::Transformation::TransformationCase::kAddSpecConstantOp:
return MakeUnique<TransformationAddSpecConstantOp>(
message.add_spec_constant_op());
diff --git a/source/fuzz/transformation_add_parameter.cpp b/source/fuzz/transformation_add_parameter.cpp
new file mode 100644
index 0000000..c6ddc1c
--- /dev/null
+++ b/source/fuzz/transformation_add_parameter.cpp
@@ -0,0 +1,135 @@
+// Copyright (c) 2020 Vasyl Teliman
+//
+// 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.
+
+#include "source/fuzz/transformation_add_parameter.h"
+
+#include <source/spirv_constant.h>
+
+#include "source/fuzz/fuzzer_util.h"
+
+namespace spvtools {
+namespace fuzz {
+
+TransformationAddParameter::TransformationAddParameter(
+ const protobufs::TransformationAddParameter& message)
+ : message_(message) {}
+
+TransformationAddParameter::TransformationAddParameter(
+ uint32_t function_id, uint32_t parameter_fresh_id, uint32_t initializer_id,
+ uint32_t function_type_fresh_id) {
+ message_.set_function_id(function_id);
+ message_.set_parameter_fresh_id(parameter_fresh_id);
+ message_.set_initializer_id(initializer_id);
+ message_.set_function_type_fresh_id(function_type_fresh_id);
+}
+
+bool TransformationAddParameter::IsApplicable(
+ opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
+ // Check that function exists
+ const auto* function =
+ fuzzerutil::FindFunction(ir_context, message_.function_id());
+ if (!function ||
+ fuzzerutil::FunctionIsEntryPoint(ir_context, function->result_id())) {
+ return false;
+ }
+
+ // Check that |initializer_id| is valid.
+ const auto* initializer_inst =
+ ir_context->get_def_use_mgr()->GetDef(message_.initializer_id());
+
+ if (!initializer_inst) {
+ return false;
+ }
+
+ // Check that initializer's type is valid.
+ const auto* initializer_type =
+ ir_context->get_type_mgr()->GetType(initializer_inst->type_id());
+
+ if (!initializer_type || initializer_type->AsVoid()) {
+ return false;
+ }
+
+ return fuzzerutil::IsFreshId(ir_context, message_.parameter_fresh_id()) &&
+ fuzzerutil::IsFreshId(ir_context, message_.function_type_fresh_id()) &&
+ message_.parameter_fresh_id() != message_.function_type_fresh_id();
+}
+
+void TransformationAddParameter::Apply(
+ opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
+ // Find the function that will be transformed
+ auto* function = fuzzerutil::FindFunction(ir_context, message_.function_id());
+ assert(function && "Can't find the function");
+
+ auto parameter_type_id =
+ fuzzerutil::GetTypeId(ir_context, message_.initializer_id());
+
+ // Add new parameters to the function.
+ function->AddParameter(MakeUnique<opt::Instruction>(
+ ir_context, SpvOpFunctionParameter, parameter_type_id,
+ message_.parameter_fresh_id(), opt::Instruction::OperandList()));
+
+ fuzzerutil::UpdateModuleIdBound(ir_context, message_.parameter_fresh_id());
+
+ // TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/3403):
+ // Add an PointeeValueIsIrrelevant fact if the parameter is a pointer.
+
+ // Fix all OpFunctionCall instructions.
+ ir_context->get_def_use_mgr()->ForEachUser(
+ &function->DefInst(), [this](opt::Instruction* call) {
+ if (call->opcode() != SpvOpFunctionCall ||
+ call->GetSingleWordInOperand(0) != message_.function_id()) {
+ return;
+ }
+
+ // TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/3177):
+ // it would be good to mark this usage of |id| as irrelevant, so that
+ // we can perform some interesting transformations on it later.
+ call->AddOperand({SPV_OPERAND_TYPE_ID, {message_.initializer_id()}});
+ });
+
+ auto* old_function_type = fuzzerutil::GetFunctionType(ir_context, function);
+ assert(old_function_type && "Function must have a valid type");
+
+ if (ir_context->get_def_use_mgr()->NumUsers(old_function_type) == 1) {
+ // Adjust existing function type if it is used only by this function.
+ old_function_type->AddOperand({SPV_OPERAND_TYPE_ID, {parameter_type_id}});
+ } else {
+ // Otherwise, either create a new type or use an existing one.
+ std::vector<uint32_t> type_ids;
+ type_ids.reserve(old_function_type->NumInOperands() + 1);
+
+ for (uint32_t i = 0, n = old_function_type->NumInOperands(); i < n; ++i) {
+ type_ids.push_back(old_function_type->GetSingleWordInOperand(i));
+ }
+
+ type_ids.push_back(parameter_type_id);
+
+ function->DefInst().SetInOperand(
+ 1, {fuzzerutil::FindOrCreateFunctionType(
+ ir_context, message_.function_type_fresh_id(), type_ids)});
+ }
+
+ // Make sure our changes are analyzed.
+ ir_context->InvalidateAnalysesExceptFor(
+ opt::IRContext::Analysis::kAnalysisNone);
+}
+
+protobufs::Transformation TransformationAddParameter::ToMessage() const {
+ protobufs::Transformation result;
+ *result.mutable_add_parameter() = message_;
+ return result;
+}
+
+} // namespace fuzz
+} // namespace spvtools
diff --git a/source/fuzz/transformation_add_parameter.h b/source/fuzz/transformation_add_parameter.h
new file mode 100644
index 0000000..42b5fbb
--- /dev/null
+++ b/source/fuzz/transformation_add_parameter.h
@@ -0,0 +1,62 @@
+// Copyright (c) 2020 Vasyl Teliman
+//
+// 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.
+
+#ifndef SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETER_H_
+#define SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETER_H_
+
+#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
+#include "source/fuzz/transformation.h"
+#include "source/fuzz/transformation_context.h"
+#include "source/opt/ir_context.h"
+
+namespace spvtools {
+namespace fuzz {
+
+class TransformationAddParameter : public Transformation {
+ public:
+ explicit TransformationAddParameter(
+ const protobufs::TransformationAddParameter& message);
+
+ TransformationAddParameter(uint32_t function_id, uint32_t parameter_fresh_id,
+ uint32_t initializer_id,
+ uint32_t function_type_fresh_id);
+
+ // - |function_id| must be a valid result id of some non-entry-point function
+ // in the module.
+ // - |initializer_id| must be a valid result id of some instruction in the
+ // module. Instruction's type may not be OpTypeVoid.
+ // - |parameter_fresh_id| and |function_type_fresh_id| are fresh ids and are
+ // not equal.
+ bool IsApplicable(
+ opt::IRContext* ir_context,
+ const TransformationContext& transformation_context) const override;
+
+ // - Creates a new OpFunctionParameter instruction with result id
+ // |parameter_fresh_id| for the function with |function_id|.
+ // - Adjusts function's type to include a new parameter.
+ // - Adds |initializer_id| as a new operand to every OpFunctionCall
+ // instruction that calls the function.
+ void Apply(opt::IRContext* ir_context,
+ TransformationContext* transformation_context) const override;
+
+ protobufs::Transformation ToMessage() const override;
+
+ private:
+ protobufs::TransformationAddParameter message_;
+};
+
+} // namespace fuzz
+} // namespace spvtools
+
+#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETER_H_
diff --git a/source/fuzz/transformation_add_parameters.cpp b/source/fuzz/transformation_add_parameters.cpp
deleted file mode 100644
index 28af854..0000000
--- a/source/fuzz/transformation_add_parameters.cpp
+++ /dev/null
@@ -1,201 +0,0 @@
-// Copyright (c) 2020 Vasyl Teliman
-//
-// 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.
-
-#include "source/fuzz/transformation_add_parameters.h"
-
-#include <source/spirv_constant.h>
-
-#include "source/fuzz/fuzzer_util.h"
-
-namespace spvtools {
-namespace fuzz {
-
-TransformationAddParameters::TransformationAddParameters(
- const protobufs::TransformationAddParameters& message)
- : message_(message) {}
-
-TransformationAddParameters::TransformationAddParameters(
- uint32_t function_id, uint32_t new_type_id,
- const std::vector<uint32_t>& new_parameter_type,
- const std::vector<uint32_t>& new_parameter_id,
- const std::vector<uint32_t>& constant_id) {
- message_.set_function_id(function_id);
- message_.set_new_type_id(new_type_id);
-
- for (auto id : new_parameter_type) {
- message_.add_new_parameter_type(id);
- }
-
- for (auto id : new_parameter_id) {
- message_.add_new_parameter_id(id);
- }
-
- for (auto id : constant_id) {
- message_.add_constant_id(id);
- }
-}
-
-bool TransformationAddParameters::IsApplicable(
- opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
- // Check that function exists
- const auto* function =
- fuzzerutil::FindFunction(ir_context, message_.function_id());
- if (!function ||
- fuzzerutil::FunctionIsEntryPoint(ir_context, function->result_id())) {
- return false;
- }
-
- // Validate new parameters.
- const auto& new_type_ids = message_.new_parameter_type();
- const auto& new_parameter_ids = message_.new_parameter_id();
- const auto& constant_ids = message_.constant_id();
-
- // All three vectors must have the same size.
- if (new_type_ids.size() != new_parameter_ids.size() ||
- new_type_ids.size() != constant_ids.size()) {
- return false;
- }
-
- // Vectors must have at least one component.
- if (new_type_ids.empty()) {
- return false;
- }
-
- // Check that type ids exist in the module and are not OpTypeVoid.
- for (auto id : new_type_ids) {
- const auto* type = ir_context->get_type_mgr()->GetType(id);
- if (!type || type->AsVoid()) {
- return false;
- }
- }
-
- // Check that all parameter ids are fresh.
- for (auto id : new_parameter_ids) {
- if (!fuzzerutil::IsFreshId(ir_context, id)) {
- return false;
- }
- }
-
- // Check that constants exist and have valid type.
- for (int i = 0, n = constant_ids.size(); i < n; ++i) {
- const auto* inst = ir_context->get_def_use_mgr()->GetDef(constant_ids[i]);
- if (!inst || inst->type_id() != new_type_ids[i]) {
- return false;
- }
- }
-
- // Validate new function type.
- const auto* old_type_inst = fuzzerutil::GetFunctionType(ir_context, function);
- const auto* new_type_inst =
- ir_context->get_def_use_mgr()->GetDef(message_.new_type_id());
-
- // Both types must exist.
- assert(old_type_inst && old_type_inst->opcode() == SpvOpTypeFunction);
- if (!new_type_inst || new_type_inst->opcode() != SpvOpTypeFunction) {
- return false;
- }
-
- auto num_old_parameters = old_type_inst->NumInOperands();
- auto num_new_parameters = new_type_ids.size();
-
- // New function type has been added to the module which means that it's valid.
- // Thus, we don't need to check whether the limit on the number of arguments
- // is satisfied.
-
- // New type = old type + new parameters.
- if (new_type_inst->NumInOperands() !=
- num_old_parameters + num_new_parameters) {
- return false;
- }
-
- // Check that old parameters and the return type are preserved.
- for (uint32_t i = 0; i < num_old_parameters; ++i) {
- if (new_type_inst->GetSingleWordInOperand(i) !=
- old_type_inst->GetSingleWordInOperand(i)) {
- return false;
- }
- }
-
- // Check that new parameters have been appended.
- for (int i = 0; i < num_new_parameters; ++i) {
- if (new_type_inst->GetSingleWordInOperand(i + num_old_parameters) !=
- new_type_ids[i]) {
- return false;
- }
- }
-
- return true;
-}
-
-void TransformationAddParameters::Apply(
- opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
- // Retrieve all data from the message
- auto function_id = message_.function_id();
- const auto& new_parameter_type = message_.new_parameter_type();
- const auto& new_parameter_id = message_.new_parameter_id();
- const auto& constant_id = message_.constant_id();
-
- // Find the function that will be transformed
- auto* function = fuzzerutil::FindFunction(ir_context, function_id);
- assert(function && "Can't find the function");
-
- // Change function's type
- function->DefInst().SetInOperand(1, {message_.new_type_id()});
-
- // Add new parameters to the function.
- for (int i = 0, n = new_parameter_id.size(); i < n; ++i) {
- function->AddParameter(MakeUnique<opt::Instruction>(
- ir_context, SpvOpFunctionParameter, new_parameter_type[i],
- new_parameter_id[i], opt::Instruction::OperandList()));
-
- // TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/3403):
- // Add an PointeeValueIsIrrelevant fact if the parameter is a pointer.
- }
-
- // Fix all OpFunctionCall instructions.
- ir_context->get_def_use_mgr()->ForEachUser(
- &function->DefInst(),
- [function_id, &constant_id](opt::Instruction* call) {
- if (call->opcode() != SpvOpFunctionCall ||
- call->GetSingleWordInOperand(0) != function_id) {
- return;
- }
-
- for (auto id : constant_id) {
- // TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/3177):
- // it would be good to mark this usage of |id| as irrelevant, so that
- // we can perform some interesting transformations on it later.
- call->AddOperand({SPV_OPERAND_TYPE_ID, {id}});
- }
- });
-
- // Update module's id bound. We can safely dereference the result of
- // max_element since |new_parameter_id| is guaranteed to have elements.
- fuzzerutil::UpdateModuleIdBound(
- ir_context,
- *std::max_element(new_parameter_id.begin(), new_parameter_id.end()));
-
- // Make sure our changes are analyzed.
- ir_context->InvalidateAnalysesExceptFor(
- opt::IRContext::Analysis::kAnalysisNone);
-}
-
-protobufs::Transformation TransformationAddParameters::ToMessage() const {
- protobufs::Transformation result;
- *result.mutable_add_parameters() = message_;
- return result;
-}
-
-} // namespace fuzz
-} // namespace spvtools
diff --git a/source/fuzz/transformation_add_parameters.h b/source/fuzz/transformation_add_parameters.h
deleted file mode 100644
index 681195c..0000000
--- a/source/fuzz/transformation_add_parameters.h
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright (c) 2020 Vasyl Teliman
-//
-// 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.
-
-#ifndef SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETERS_H_
-#define SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETERS_H_
-
-#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
-#include "source/fuzz/transformation.h"
-#include "source/fuzz/transformation_context.h"
-#include "source/opt/ir_context.h"
-
-namespace spvtools {
-namespace fuzz {
-
-class TransformationAddParameters : public Transformation {
- public:
- explicit TransformationAddParameters(
- const protobufs::TransformationAddParameters& message);
-
- TransformationAddParameters(uint32_t function_id, uint32_t new_type_id,
- const std::vector<uint32_t>& new_parameter_type,
- const std::vector<uint32_t>& new_parameter_id,
- const std::vector<uint32_t>& constant_id);
-
- // - |function_id| must be a valid result id of some non-entry-point function
- // in the module.
- // - |new_type_id| must be a result id of OpTypeFunction instruction.
- // - New type of the function must have the same return type. New function
- // parameters must be appended to the old ones.
- // - |new_parameter_type| contains result ids of some OpType* instructions in
- // the module. It may not contain result ids of OpTypeVoid.
- // - |new_parameter_id| contains fresh ids.
- // - |constant_id| contains result ids used to initialize new parameters. Type
- // ids of these instructions must be the same as |new_parameter_type| (i.e.
- // |new_parameter_type[i] == GetDef(constant_id[i])->type_id()|).
- // - |new_parameter_id|, |new_parameter_type| and |constant_id| should all
- // have the same size and may not be empty.
- bool IsApplicable(
- opt::IRContext* ir_context,
- const TransformationContext& transformation_context) const override;
-
- // - Creates new OpFunctionParameter instructions for the function with
- // |function_id|.
- // - Changes type of the function to |new_type_id|.
- // - Adds ids from |constant_id| to every OpFunctionCall instruction that
- // calls the function.
- void Apply(opt::IRContext* ir_context,
- TransformationContext* transformation_context) const override;
-
- protobufs::Transformation ToMessage() const override;
-
- private:
- protobufs::TransformationAddParameters message_;
-};
-
-} // namespace fuzz
-} // namespace spvtools
-
-#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETERS_H_
diff --git a/source/fuzz/transformation_add_type_function.cpp b/source/fuzz/transformation_add_type_function.cpp
index 991a28b..c878025 100644
--- a/source/fuzz/transformation_add_type_function.cpp
+++ b/source/fuzz/transformation_add_type_function.cpp
@@ -55,48 +55,19 @@
// exactly the same return and argument type ids. (Note that the type manager
// does not allow us to check this, as it does not distinguish between
// function types with different but isomorphic pointer argument types.)
- for (auto& inst : ir_context->module()->types_values()) {
- if (inst.opcode() != SpvOpTypeFunction) {
- // Consider only OpTypeFunction instructions.
- continue;
- }
- if (inst.GetSingleWordInOperand(0) != message_.return_type_id()) {
- // Different return types - cannot be the same.
- continue;
- }
- if (inst.NumInOperands() !=
- 1 + static_cast<uint32_t>(message_.argument_type_id().size())) {
- // Different numbers of arguments - cannot be the same.
- continue;
- }
- bool found_argument_mismatch = false;
- for (uint32_t index = 1; index < inst.NumInOperands(); index++) {
- if (message_.argument_type_id(index - 1) !=
- inst.GetSingleWordInOperand(index)) {
- // Argument mismatch - cannot be the same.
- found_argument_mismatch = true;
- break;
- }
- }
- if (found_argument_mismatch) {
- continue;
- }
- // Everything matches - the type is already declared.
- return false;
- }
- return true;
+ std::vector<uint32_t> type_ids = {message_.return_type_id()};
+ type_ids.insert(type_ids.end(), message_.argument_type_id().begin(),
+ message_.argument_type_id().end());
+ return fuzzerutil::FindFunctionType(ir_context, type_ids) == 0;
}
void TransformationAddTypeFunction::Apply(
opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
- opt::Instruction::OperandList in_operands;
- in_operands.push_back({SPV_OPERAND_TYPE_ID, {message_.return_type_id()}});
- for (auto argument_type_id : message_.argument_type_id()) {
- in_operands.push_back({SPV_OPERAND_TYPE_ID, {argument_type_id}});
- }
- ir_context->module()->AddType(MakeUnique<opt::Instruction>(
- ir_context, SpvOpTypeFunction, 0, message_.fresh_id(), in_operands));
- fuzzerutil::UpdateModuleIdBound(ir_context, message_.fresh_id());
+ std::vector<uint32_t> type_ids = {message_.return_type_id()};
+ type_ids.insert(type_ids.end(), message_.argument_type_id().begin(),
+ message_.argument_type_id().end());
+
+ fuzzerutil::AddFunctionType(ir_context, message_.fresh_id(), type_ids);
// We have added an instruction to the module, so need to be careful about the
// validity of existing analyses.
ir_context->InvalidateAnalysesExceptFor(
diff --git a/source/fuzz/transformation_permute_function_parameters.cpp b/source/fuzz/transformation_permute_function_parameters.cpp
index 4b9561c..5f06605 100644
--- a/source/fuzz/transformation_permute_function_parameters.cpp
+++ b/source/fuzz/transformation_permute_function_parameters.cpp
@@ -12,10 +12,11 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+#include "source/fuzz/transformation_permute_function_parameters.h"
+
#include <vector>
#include "source/fuzz/fuzzer_util.h"
-#include "source/fuzz/transformation_permute_function_parameters.h"
namespace spvtools {
namespace fuzz {
@@ -28,10 +29,10 @@
TransformationPermuteFunctionParameters::
TransformationPermuteFunctionParameters(
- uint32_t function_id, uint32_t new_type_id,
+ uint32_t function_id, uint32_t function_type_fresh_id,
const std::vector<uint32_t>& permutation) {
message_.set_function_id(function_id);
- message_.set_new_type_id(new_type_id);
+ message_.set_function_type_fresh_id(function_type_fresh_id);
for (auto index : permutation) {
message_.add_permutation(index);
@@ -77,49 +78,46 @@
return false;
}
- // Check that new function's type is valid:
- // - Has the same number of operands
- // - Has the same result type as the old one
- // - Order of arguments is permuted
- auto new_type_id = message_.new_type_id();
- const auto* new_type = ir_context->get_def_use_mgr()->GetDef(new_type_id);
-
- if (!new_type || new_type->opcode() != SpvOpTypeFunction ||
- new_type->NumInOperands() != function_type->NumInOperands()) {
- return false;
- }
-
- // Check that both instructions have the same result type
- if (new_type->GetSingleWordInOperand(0) !=
- function_type->GetSingleWordInOperand(0)) {
- return false;
- }
-
- // Check that new function type has its arguments permuted
- for (int i = 0, n = static_cast<int>(permutation.size()); i < n; ++i) {
- // +1 to take return type into account
- if (new_type->GetSingleWordInOperand(i + 1) !=
- function_type->GetSingleWordInOperand(permutation[i] + 1)) {
- return false;
- }
- }
-
- return true;
+ return fuzzerutil::IsFreshId(ir_context, message_.function_type_fresh_id());
}
void TransformationPermuteFunctionParameters::Apply(
opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
- // Retrieve all data from the message
- uint32_t function_id = message_.function_id();
- uint32_t new_type_id = message_.new_type_id();
- const auto& permutation = message_.permutation();
-
// Find the function that will be transformed
- auto* function = fuzzerutil::FindFunction(ir_context, function_id);
+ auto* function = fuzzerutil::FindFunction(ir_context, message_.function_id());
assert(function && "Can't find the function");
+ auto* old_function_type_inst =
+ fuzzerutil::GetFunctionType(ir_context, function);
+ assert(old_function_type_inst && "Function must have a valid type");
+
// Change function's type
- function->DefInst().SetInOperand(1, {new_type_id});
+ if (ir_context->get_def_use_mgr()->NumUsers(old_function_type_inst) == 1) {
+ // If only the current function uses |old_function_type_inst| - change it
+ // in-place.
+ opt::Instruction::OperandList permuted_operands = {
+ std::move(old_function_type_inst->GetInOperand(0))};
+ for (auto index : message_.permutation()) {
+ // +1 since the first operand to OpTypeFunction is a return type.
+ permuted_operands.push_back(
+ std::move(old_function_type_inst->GetInOperand(index + 1)));
+ }
+
+ old_function_type_inst->SetInOperands(std::move(permuted_operands));
+ } else {
+ // Either use an existing type or create a new one.
+ std::vector<uint32_t> type_ids = {
+ old_function_type_inst->GetSingleWordInOperand(0)};
+ for (auto index : message_.permutation()) {
+ // +1 since the first operand to OpTypeFunction is a return type.
+ type_ids.push_back(
+ old_function_type_inst->GetSingleWordInOperand(index + 1));
+ }
+
+ function->DefInst().SetInOperand(
+ 1, {fuzzerutil::FindOrCreateFunctionType(
+ ir_context, message_.function_type_fresh_id(), type_ids)});
+ }
// Adjust OpFunctionParameter instructions
@@ -133,7 +131,7 @@
// Permute parameters' ids and types
std::vector<uint32_t> permuted_param_id, permuted_param_type;
- for (auto index : permutation) {
+ for (auto index : message_.permutation()) {
permuted_param_id.push_back(param_id[index]);
permuted_param_type.push_back(param_type[index]);
}
@@ -149,10 +147,9 @@
// Fix all OpFunctionCall instructions
ir_context->get_def_use_mgr()->ForEachUser(
- &function->DefInst(),
- [function_id, &permutation](opt::Instruction* call) {
+ &function->DefInst(), [this](opt::Instruction* call) {
if (call->opcode() != SpvOpFunctionCall ||
- call->GetSingleWordInOperand(0) != function_id) {
+ call->GetSingleWordInOperand(0) != message_.function_id()) {
return;
}
@@ -160,7 +157,7 @@
call->GetInOperand(0) // Function id
};
- for (auto index : permutation) {
+ for (auto index : message_.permutation()) {
// Take function id into account
call_operands.push_back(call->GetInOperand(index + 1));
}
diff --git a/source/fuzz/transformation_permute_function_parameters.h b/source/fuzz/transformation_permute_function_parameters.h
index 994e4c2..8308051 100644
--- a/source/fuzz/transformation_permute_function_parameters.h
+++ b/source/fuzz/transformation_permute_function_parameters.h
@@ -29,11 +29,11 @@
const protobufs::TransformationPermuteFunctionParameters& message);
TransformationPermuteFunctionParameters(
- uint32_t function_id, uint32_t new_type_id,
+ uint32_t function_id, uint32_t function_type_fresh_id,
const std::vector<uint32_t>& permutation);
// - |function_id| is a valid non-entry-point OpFunction instruction
- // - |new_type_id| is a result id of a valid OpTypeFunction instruction.
+ // - |function_type_fresh_id| is a fresh id.
// New type is valid if:
// - it has the same number of operands as the old one
// - function's result type is the same as the old one
@@ -46,7 +46,7 @@
// - OpFunction instruction with |result_id == function_id| is changed.
// Its arguments are permuted according to the |permutation| vector
- // - Changed function gets a new type specified by |type_id|
+ // - Adjusts function's type to accommodate for permuted parameters.
// - Calls to the function are adjusted accordingly
void Apply(opt::IRContext* ir_context,
TransformationContext* transformation_context) const override;
diff --git a/test/fuzz/CMakeLists.txt b/test/fuzz/CMakeLists.txt
index 7d9c35c..57d770d 100644
--- a/test/fuzz/CMakeLists.txt
+++ b/test/fuzz/CMakeLists.txt
@@ -37,7 +37,7 @@
transformation_add_global_variable_test.cpp
transformation_add_local_variable_test.cpp
transformation_add_no_contraction_decoration_test.cpp
- transformation_add_parameters_test.cpp
+ transformation_add_parameter_test.cpp
transformation_add_type_array_test.cpp
transformation_add_type_boolean_test.cpp
transformation_add_type_float_test.cpp
diff --git a/test/fuzz/transformation_add_parameter_test.cpp b/test/fuzz/transformation_add_parameter_test.cpp
new file mode 100644
index 0000000..b95f5dd
--- /dev/null
+++ b/test/fuzz/transformation_add_parameter_test.cpp
@@ -0,0 +1,126 @@
+// Copyright (c) 2020 Vasyl Teliman
+//
+// 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.
+
+#include "source/fuzz/transformation_add_parameter.h"
+
+#include "test/fuzz/fuzz_test_util.h"
+
+namespace spvtools {
+namespace fuzz {
+namespace {
+
+TEST(TransformationAddParameterTest, BasicTest) {
+ std::string shader = R"(
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %4 "main"
+ OpExecutionMode %4 OriginUpperLeft
+ OpSource ESSL 310
+ OpName %4 "main"
+ %2 = OpTypeVoid
+ %7 = OpTypeBool
+ %11 = OpTypeInt 32 1
+ %3 = OpTypeFunction %2
+ %6 = OpTypeFunction %7 %7
+ %8 = OpConstant %11 23
+ %12 = OpConstantTrue %7
+ %4 = OpFunction %2 None %3
+ %5 = OpLabel
+ %13 = OpFunctionCall %7 %9 %12
+ OpReturn
+ OpFunctionEnd
+ %9 = OpFunction %7 None %6
+ %14 = OpFunctionParameter %7
+ %10 = OpLabel
+ OpReturnValue %12
+ OpFunctionEnd
+ )";
+
+ const auto env = SPV_ENV_UNIVERSAL_1_3;
+ const auto consumer = nullptr;
+ const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
+ ASSERT_TRUE(IsValid(env, context.get()));
+
+ FactManager fact_manager;
+ spvtools::ValidatorOptions validator_options;
+ TransformationContext transformation_context(&fact_manager,
+ validator_options);
+
+ // Can't modify entry point function.
+ ASSERT_FALSE(TransformationAddParameter(4, 15, 12, 16)
+ .IsApplicable(context.get(), transformation_context));
+
+ // There is no function with result id 29.
+ ASSERT_FALSE(TransformationAddParameter(29, 15, 8, 16)
+ .IsApplicable(context.get(), transformation_context));
+
+ // Parameter id is not fresh.
+ ASSERT_FALSE(TransformationAddParameter(9, 14, 8, 16)
+ .IsApplicable(context.get(), transformation_context));
+
+ // Function type id is not fresh.
+ ASSERT_FALSE(TransformationAddParameter(9, 15, 8, 14)
+ .IsApplicable(context.get(), transformation_context));
+
+ // Function type id and parameter type id are equal.
+ ASSERT_FALSE(TransformationAddParameter(9, 15, 8, 15)
+ .IsApplicable(context.get(), transformation_context));
+
+ // Parameter's initializer doesn't exist.
+ ASSERT_FALSE(TransformationAddParameter(9, 15, 15, 16)
+ .IsApplicable(context.get(), transformation_context));
+
+ // Correct transformation.
+ TransformationAddParameter correct(9, 15, 8, 16);
+ ASSERT_TRUE(correct.IsApplicable(context.get(), transformation_context));
+ correct.Apply(context.get(), &transformation_context);
+
+ // The module remains valid.
+ ASSERT_TRUE(IsValid(env, context.get()));
+
+ std::string expected_shader = R"(
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %4 "main"
+ OpExecutionMode %4 OriginUpperLeft
+ OpSource ESSL 310
+ OpName %4 "main"
+ %2 = OpTypeVoid
+ %7 = OpTypeBool
+ %11 = OpTypeInt 32 1
+ %3 = OpTypeFunction %2
+ %6 = OpTypeFunction %7 %7 %11
+ %8 = OpConstant %11 23
+ %12 = OpConstantTrue %7
+ %4 = OpFunction %2 None %3
+ %5 = OpLabel
+ %13 = OpFunctionCall %7 %9 %12 %8
+ OpReturn
+ OpFunctionEnd
+ %9 = OpFunction %7 None %6
+ %14 = OpFunctionParameter %7
+ %15 = OpFunctionParameter %11
+ %10 = OpLabel
+ OpReturnValue %12
+ OpFunctionEnd
+ )";
+
+ ASSERT_TRUE(IsEqual(env, expected_shader, context.get()));
+}
+
+} // namespace
+} // namespace fuzz
+} // namespace spvtools
diff --git a/test/fuzz/transformation_add_parameters_test.cpp b/test/fuzz/transformation_add_parameters_test.cpp
deleted file mode 100644
index 37c2e93..0000000
--- a/test/fuzz/transformation_add_parameters_test.cpp
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright (c) 2020 Vasyl Teliman
-//
-// 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.
-
-#include "source/fuzz/transformation_add_parameters.h"
-#include "test/fuzz/fuzz_test_util.h"
-
-namespace spvtools {
-namespace fuzz {
-namespace {
-
-TEST(TransformationAddParametersTest, BasicTest) {
- std::string shader = R"(
- OpCapability Shader
- %1 = OpExtInstImport "GLSL.std.450"
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %4 "main"
- OpExecutionMode %4 OriginUpperLeft
- OpSource ESSL 310
- OpName %4 "main"
- %2 = OpTypeVoid
- %7 = OpTypeBool
- %11 = OpTypeInt 32 1
- %3 = OpTypeFunction %2
- %20 = OpTypeFunction %2 %7
- %6 = OpTypeFunction %7 %7
- %12 = OpTypeFunction %7 %7 %11
- %13 = OpTypeFunction %7 %7 %7
- %14 = OpTypeFunction %11 %7 %11
- %15 = OpTypeFunction %7 %11 %11
- %16 = OpTypeFunction %7 %7 %11 %11
- %8 = OpConstant %11 23
- %17 = OpConstantTrue %7
- %4 = OpFunction %2 None %3
- %5 = OpLabel
- %18 = OpFunctionCall %7 %9 %17
- OpReturn
- OpFunctionEnd
- %9 = OpFunction %7 None %6
- %19 = OpFunctionParameter %7
- %10 = OpLabel
- OpReturnValue %17
- OpFunctionEnd
- )";
-
- const auto env = SPV_ENV_UNIVERSAL_1_3;
- const auto consumer = nullptr;
- const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
- ASSERT_TRUE(IsValid(env, context.get()));
-
- FactManager fact_manager;
- spvtools::ValidatorOptions validator_options;
- TransformationContext transformation_context(&fact_manager,
- validator_options);
-
- // Can't modify entry point function.
- ASSERT_FALSE(TransformationAddParameters(4, 6, {20}, {21}, {17})
- .IsApplicable(context.get(), transformation_context));
-
- // There is no function with result id 10.
- ASSERT_FALSE(TransformationAddParameters(29, 12, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // There is no OpTypeFunction instruction with result id 21.
- ASSERT_FALSE(TransformationAddParameters(9, 21, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Function type with id 6 has fewer parameters than required.
- ASSERT_FALSE(TransformationAddParameters(9, 6, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Function type with id 16 has more parameters than required.
- ASSERT_FALSE(TransformationAddParameters(9, 16, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // New function type is not OpTypeFunction instruction.
- ASSERT_FALSE(TransformationAddParameters(9, 11, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Return type is invalid.
- ASSERT_FALSE(TransformationAddParameters(9, 14, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Types of original parameters are invalid.
- ASSERT_FALSE(TransformationAddParameters(9, 15, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Types of new parameters are invalid.
- ASSERT_FALSE(TransformationAddParameters(9, 13, {11}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // OpTypeVoid can't be the type of function parameter.
- ASSERT_FALSE(TransformationAddParameters(9, 12, {2}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Vectors, that describe parameters, have different sizes.
- ASSERT_FALSE(TransformationAddParameters(9, 12, {}, {21}, {8})
- .IsApplicable(context.get(), transformation_context));
- ASSERT_FALSE(TransformationAddParameters(9, 12, {11}, {}, {8})
- .IsApplicable(context.get(), transformation_context));
- ASSERT_FALSE(TransformationAddParameters(9, 12, {11}, {21}, {})
- .IsApplicable(context.get(), transformation_context));
-
- // Vectors cannot be empty.
- ASSERT_FALSE(TransformationAddParameters(9, 12, {}, {}, {})
- .IsApplicable(context.get(), transformation_context));
-
- // Parameters' ids are not fresh.
- ASSERT_FALSE(TransformationAddParameters(9, 12, {11}, {20}, {8})
- .IsApplicable(context.get(), transformation_context));
-
- // Constants for parameters don't exist.
- ASSERT_FALSE(TransformationAddParameters(9, 12, {11}, {21}, {21})
- .IsApplicable(context.get(), transformation_context));
-
- // Constants for parameters have invalid type.
- ASSERT_FALSE(TransformationAddParameters(9, 12, {11}, {21}, {17})
- .IsApplicable(context.get(), transformation_context));
-
- // Correct transformation.
- TransformationAddParameters correct(9, 12, {11}, {21}, {8});
- ASSERT_TRUE(correct.IsApplicable(context.get(), transformation_context));
- correct.Apply(context.get(), &transformation_context);
-
- // The module remains valid.
- ASSERT_TRUE(IsValid(env, context.get()));
-
- std::string expected_shader = R"(
- OpCapability Shader
- %1 = OpExtInstImport "GLSL.std.450"
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %4 "main"
- OpExecutionMode %4 OriginUpperLeft
- OpSource ESSL 310
- OpName %4 "main"
- %2 = OpTypeVoid
- %7 = OpTypeBool
- %11 = OpTypeInt 32 1
- %3 = OpTypeFunction %2
- %20 = OpTypeFunction %2 %7
- %6 = OpTypeFunction %7 %7
- %12 = OpTypeFunction %7 %7 %11
- %13 = OpTypeFunction %7 %7 %7
- %14 = OpTypeFunction %11 %7 %11
- %15 = OpTypeFunction %7 %11 %11
- %16 = OpTypeFunction %7 %7 %11 %11
- %8 = OpConstant %11 23
- %17 = OpConstantTrue %7
- %4 = OpFunction %2 None %3
- %5 = OpLabel
- %18 = OpFunctionCall %7 %9 %17 %8
- OpReturn
- OpFunctionEnd
- %9 = OpFunction %7 None %12
- %19 = OpFunctionParameter %7
- %21 = OpFunctionParameter %11
- %10 = OpLabel
- OpReturnValue %17
- OpFunctionEnd
- )";
-
- ASSERT_TRUE(IsEqual(env, expected_shader, context.get()));
-}
-
-} // namespace
-} // namespace fuzz
-} // namespace spvtools
diff --git a/test/fuzz/transformation_permute_function_parameters_test.cpp b/test/fuzz/transformation_permute_function_parameters_test.cpp
index 13daff6..1443625 100644
--- a/test/fuzz/transformation_permute_function_parameters_test.cpp
+++ b/test/fuzz/transformation_permute_function_parameters_test.cpp
@@ -13,6 +13,7 @@
// limitations under the License.
#include "source/fuzz/transformation_permute_function_parameters.h"
+
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
@@ -73,7 +74,6 @@
%18 = OpTypeFunction %8 %7 %15 %17
%24 = OpTypeBool
%25 = OpTypeFunction %24 %15 %7
- %105 = OpTypeFunction %24 %7 %15 ; predefined type for %28
%31 = OpConstant %6 255
%33 = OpConstant %6 0
%34 = OpConstant %6 1
@@ -205,56 +205,46 @@
validator_options);
// Can't permute main function
- ASSERT_FALSE(TransformationPermuteFunctionParameters(4, 0, {}).IsApplicable(
- context.get(), transformation_context));
+ ASSERT_FALSE(TransformationPermuteFunctionParameters(4, 105, {})
+ .IsApplicable(context.get(), transformation_context));
// Can't permute invalid instruction
- ASSERT_FALSE(TransformationPermuteFunctionParameters(101, 0, {})
+ ASSERT_FALSE(TransformationPermuteFunctionParameters(101, 105, {})
.IsApplicable(context.get(), transformation_context));
// Permutation has too many values
- ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 0, {2, 1, 0, 3})
+ ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 105, {2, 1, 0, 3})
.IsApplicable(context.get(), transformation_context));
// Permutation has too few values
- ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 0, {0, 1})
+ ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 105, {0, 1})
.IsApplicable(context.get(), transformation_context));
// Permutation has invalid values 1
- ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 0, {3, 1, 0})
+ ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 105, {3, 1, 0})
.IsApplicable(context.get(), transformation_context));
#ifndef NDEBUG
// Permutation has invalid values 2
- ASSERT_DEATH(TransformationPermuteFunctionParameters(22, 0, {2, 2, 1})
+ ASSERT_DEATH(TransformationPermuteFunctionParameters(22, 105, {2, 2, 1})
.IsApplicable(context.get(), transformation_context),
"Permutation has duplicates");
#endif
- // Type id is not an OpTypeFunction instruction
+ // Result id for new function type is not fresh.
ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 42, {2, 1, 0})
.IsApplicable(context.get(), transformation_context));
- // Type id has incorrect number of operands
- ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 9, {2, 1, 0})
- .IsApplicable(context.get(), transformation_context));
-
- // OpTypeFunction has operands out of order
- ASSERT_FALSE(TransformationPermuteFunctionParameters(22, 18, {2, 1, 0})
- .IsApplicable(context.get(), transformation_context));
-
// Successful transformations
{
- // Function has two operands of the same type:
- // initial OpTypeFunction should be enough
- TransformationPermuteFunctionParameters transformation(12, 9, {1, 0});
+ TransformationPermuteFunctionParameters transformation(12, 105, {1, 0});
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
transformation.Apply(context.get(), &transformation_context);
ASSERT_TRUE(IsValid(env, context.get()));
}
{
- TransformationPermuteFunctionParameters transformation(28, 105, {1, 0});
+ TransformationPermuteFunctionParameters transformation(28, 106, {1, 0});
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
transformation.Apply(context.get(), &transformation_context);
@@ -313,8 +303,7 @@
%17 = OpTypePointer Function %16
%18 = OpTypeFunction %8 %7 %15 %17
%24 = OpTypeBool
- %25 = OpTypeFunction %24 %15 %7
- %105 = OpTypeFunction %24 %7 %15 ; predefined type for %28
+ %25 = OpTypeFunction %24 %7 %15
%31 = OpConstant %6 255
%33 = OpConstant %6 0
%34 = OpConstant %6 1
@@ -422,7 +411,7 @@
%55 = OpFunctionCall %8 %12 %54 %53
OpReturnValue %55
OpFunctionEnd
- %28 = OpFunction %24 None %105
+ %28 = OpFunction %24 None %25
%27 = OpFunctionParameter %7
%26 = OpFunctionParameter %15
%29 = OpLabel