mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-23 12:10:06 +00:00
efde682369
Fixes #2695. Allowing unreachable blocks to be moved can lead to an unreachable block A getting placed after an unreachable successor B, which is a problem if B uses ids that A generates.
671 lines
26 KiB
C++
671 lines
26 KiB
C++
// Copyright (c) 2019 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.
|
|
|
|
#include "source/fuzz/transformation_move_block_down.h"
|
|
#include "test/fuzz/fuzz_test_util.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
namespace {
|
|
|
|
TEST(TransformationMoveBlockDownTest, NoMovePossible1) {
|
|
// Block 11 cannot be moved down as it dominates block 12.
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpDecorate %8 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
OpBranch %11
|
|
%11 = OpLabel
|
|
OpStore %8 %9
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpStore %8 %10
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_3;
|
|
const auto consumer = nullptr;
|
|
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
|
|
FactManager fact_manager;
|
|
|
|
auto transformation = TransformationMoveBlockDown(11);
|
|
ASSERT_FALSE(transformation.IsApplicable(context.get(), fact_manager));
|
|
}
|
|
|
|
TEST(TransformationMoveBlockDownTest, NoMovePossible2) {
|
|
// Block 5 cannot be moved down as it is the entry block.
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpDecorate %8 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
OpStore %8 %9
|
|
OpStore %8 %10
|
|
OpReturn
|
|
%11 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_3;
|
|
const auto consumer = nullptr;
|
|
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
|
|
FactManager fact_manager;
|
|
|
|
auto transformation = TransformationMoveBlockDown(5);
|
|
ASSERT_FALSE(transformation.IsApplicable(context.get(), fact_manager));
|
|
}
|
|
|
|
TEST(TransformationMoveBlockDownTest, NoMovePossible3) {
|
|
// Block 100 does not exist, so cannot be moved down.
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpDecorate %8 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
OpBranch %11
|
|
%11 = OpLabel
|
|
OpStore %8 %9
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpStore %8 %10
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_3;
|
|
const auto consumer = nullptr;
|
|
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
|
|
FactManager fact_manager;
|
|
|
|
auto transformation = TransformationMoveBlockDown(100);
|
|
ASSERT_FALSE(transformation.IsApplicable(context.get(), fact_manager));
|
|
}
|
|
|
|
TEST(TransformationMoveBlockDownTest, NoMovePossible4) {
|
|
// Block 12 is the last block in its function, so cannot be moved down.
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpDecorate %8 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
OpBranch %11
|
|
%11 = OpLabel
|
|
OpStore %8 %9
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpStore %8 %10
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%13 = OpFunction %2 None %3
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_3;
|
|
const auto consumer = nullptr;
|
|
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
|
|
FactManager fact_manager;
|
|
|
|
auto transformation = TransformationMoveBlockDown(12);
|
|
ASSERT_FALSE(transformation.IsApplicable(context.get(), fact_manager));
|
|
}
|
|
|
|
TEST(TransformationMoveBlockDownTest, ManyMovesPossible) {
|
|
// The SPIR-V arising from this shader has lots of opportunities for moving
|
|
// blocks around.
|
|
//
|
|
// void main() {
|
|
// int x;
|
|
// int y;
|
|
// if (x < y) {
|
|
// x = 1;
|
|
// if (y == x) {
|
|
// x = 3;
|
|
// } else {
|
|
// x = 4;
|
|
// }
|
|
// } else {
|
|
// if (y < x) {
|
|
// x = 5;
|
|
// } else {
|
|
// x = 6;
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
std::string before_transformation = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "x"
|
|
OpName %10 "y"
|
|
OpDecorate %8 RelaxedPrecision
|
|
OpDecorate %9 RelaxedPrecision
|
|
OpDecorate %10 RelaxedPrecision
|
|
OpDecorate %11 RelaxedPrecision
|
|
OpDecorate %17 RelaxedPrecision
|
|
OpDecorate %18 RelaxedPrecision
|
|
OpDecorate %26 RelaxedPrecision
|
|
OpDecorate %27 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%12 = OpTypeBool
|
|
%16 = OpConstant %6 1
|
|
%22 = OpConstant %6 3
|
|
%24 = OpConstant %6 4
|
|
%31 = OpConstant %6 5
|
|
%33 = OpConstant %6 6
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%9 = OpLoad %6 %8
|
|
%11 = OpLoad %6 %10
|
|
%13 = OpSLessThan %12 %9 %11
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %13 %14 %25
|
|
%14 = OpLabel
|
|
OpStore %8 %16
|
|
%17 = OpLoad %6 %10
|
|
%18 = OpLoad %6 %8
|
|
%19 = OpIEqual %12 %17 %18
|
|
OpSelectionMerge %21 None
|
|
OpBranchConditional %19 %20 %23
|
|
%20 = OpLabel
|
|
OpStore %8 %22
|
|
OpBranch %21
|
|
%23 = OpLabel
|
|
OpStore %8 %24
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
OpBranch %15
|
|
%25 = OpLabel
|
|
%26 = OpLoad %6 %10
|
|
%27 = OpLoad %6 %8
|
|
%28 = OpSLessThan %12 %26 %27
|
|
OpSelectionMerge %30 None
|
|
OpBranchConditional %28 %29 %32
|
|
%29 = OpLabel
|
|
OpStore %8 %31
|
|
OpBranch %30
|
|
%32 = OpLabel
|
|
OpStore %8 %33
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_3;
|
|
const auto consumer = nullptr;
|
|
const auto context =
|
|
BuildModule(env, consumer, before_transformation, kFuzzAssembleOption);
|
|
|
|
FactManager fact_manager;
|
|
|
|
// The block ids are: 5 14 20 23 21 25 29 32 30 15
|
|
// We make a transformation to move each of them down, plus a transformation
|
|
// to move a non-block, 27, down.
|
|
auto move_down_5 = TransformationMoveBlockDown(5);
|
|
auto move_down_14 = TransformationMoveBlockDown(14);
|
|
auto move_down_20 = TransformationMoveBlockDown(20);
|
|
auto move_down_23 = TransformationMoveBlockDown(23);
|
|
auto move_down_21 = TransformationMoveBlockDown(21);
|
|
auto move_down_25 = TransformationMoveBlockDown(25);
|
|
auto move_down_29 = TransformationMoveBlockDown(29);
|
|
auto move_down_32 = TransformationMoveBlockDown(32);
|
|
auto move_down_30 = TransformationMoveBlockDown(30);
|
|
auto move_down_15 = TransformationMoveBlockDown(15);
|
|
auto move_down_27 = TransformationMoveBlockDown(27);
|
|
|
|
// Dominance is as follows:
|
|
// 5 dominates everything else
|
|
// 14 dominates 20, 23, 21
|
|
// 20 dominates nothing
|
|
// 23 dominates nothing
|
|
// 21 dominates nothing
|
|
// 25 dominates 29, 32, 30
|
|
// 29 dominates nothing
|
|
// 32 dominates nothing
|
|
// 30 dominates nothing
|
|
// 15 dominates nothing
|
|
|
|
// Current ordering: 5 14 20 23 21 25 29 32 30 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
// Let's bubble 20 all the way down.
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 23 20 21 25 29 32 30 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 23 21 20 25 29 32 30 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 23 21 25 20 29 32 30 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 23 21 25 29 20 32 30 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 23 21 25 29 32 20 30 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 23 21 25 29 32 30 20 15
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_20.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
std::string after_bubbling_20_down = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "x"
|
|
OpName %10 "y"
|
|
OpDecorate %8 RelaxedPrecision
|
|
OpDecorate %9 RelaxedPrecision
|
|
OpDecorate %10 RelaxedPrecision
|
|
OpDecorate %11 RelaxedPrecision
|
|
OpDecorate %17 RelaxedPrecision
|
|
OpDecorate %18 RelaxedPrecision
|
|
OpDecorate %26 RelaxedPrecision
|
|
OpDecorate %27 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%12 = OpTypeBool
|
|
%16 = OpConstant %6 1
|
|
%22 = OpConstant %6 3
|
|
%24 = OpConstant %6 4
|
|
%31 = OpConstant %6 5
|
|
%33 = OpConstant %6 6
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%9 = OpLoad %6 %8
|
|
%11 = OpLoad %6 %10
|
|
%13 = OpSLessThan %12 %9 %11
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %13 %14 %25
|
|
%14 = OpLabel
|
|
OpStore %8 %16
|
|
%17 = OpLoad %6 %10
|
|
%18 = OpLoad %6 %8
|
|
%19 = OpIEqual %12 %17 %18
|
|
OpSelectionMerge %21 None
|
|
OpBranchConditional %19 %20 %23
|
|
%23 = OpLabel
|
|
OpStore %8 %24
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
OpBranch %15
|
|
%25 = OpLabel
|
|
%26 = OpLoad %6 %10
|
|
%27 = OpLoad %6 %8
|
|
%28 = OpSLessThan %12 %26 %27
|
|
OpSelectionMerge %30 None
|
|
OpBranchConditional %28 %29 %32
|
|
%29 = OpLabel
|
|
OpStore %8 %31
|
|
OpBranch %30
|
|
%32 = OpLabel
|
|
OpStore %8 %33
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
OpReturn
|
|
%20 = OpLabel
|
|
OpStore %8 %22
|
|
OpBranch %21
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, after_bubbling_20_down, context.get()));
|
|
|
|
// Current ordering: 5 14 23 21 25 29 32 30 15 20
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_23.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 21 23 25 29 32 30 15 20
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_23.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 21 25 23 29 32 30 15 20
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_21.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
// Current ordering: 5 14 25 21 23 29 32 30 15 20
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
|
|
move_down_14.Apply(context.get(), &fact_manager);
|
|
ASSERT_TRUE(IsValid(env, context.get()));
|
|
|
|
std::string after_more_shuffling = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "x"
|
|
OpName %10 "y"
|
|
OpDecorate %8 RelaxedPrecision
|
|
OpDecorate %9 RelaxedPrecision
|
|
OpDecorate %10 RelaxedPrecision
|
|
OpDecorate %11 RelaxedPrecision
|
|
OpDecorate %17 RelaxedPrecision
|
|
OpDecorate %18 RelaxedPrecision
|
|
OpDecorate %26 RelaxedPrecision
|
|
OpDecorate %27 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%12 = OpTypeBool
|
|
%16 = OpConstant %6 1
|
|
%22 = OpConstant %6 3
|
|
%24 = OpConstant %6 4
|
|
%31 = OpConstant %6 5
|
|
%33 = OpConstant %6 6
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%9 = OpLoad %6 %8
|
|
%11 = OpLoad %6 %10
|
|
%13 = OpSLessThan %12 %9 %11
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %13 %14 %25
|
|
%25 = OpLabel
|
|
%26 = OpLoad %6 %10
|
|
%27 = OpLoad %6 %8
|
|
%28 = OpSLessThan %12 %26 %27
|
|
OpSelectionMerge %30 None
|
|
OpBranchConditional %28 %29 %32
|
|
%14 = OpLabel
|
|
OpStore %8 %16
|
|
%17 = OpLoad %6 %10
|
|
%18 = OpLoad %6 %8
|
|
%19 = OpIEqual %12 %17 %18
|
|
OpSelectionMerge %21 None
|
|
OpBranchConditional %19 %20 %23
|
|
%21 = OpLabel
|
|
OpBranch %15
|
|
%23 = OpLabel
|
|
OpStore %8 %24
|
|
OpBranch %21
|
|
%29 = OpLabel
|
|
OpStore %8 %31
|
|
OpBranch %30
|
|
%32 = OpLabel
|
|
OpStore %8 %33
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
OpReturn
|
|
%20 = OpLabel
|
|
OpStore %8 %22
|
|
OpBranch %21
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, after_more_shuffling, context.get()));
|
|
|
|
// Final ordering: 5 25 14 21 23 29 32 30 15 20
|
|
ASSERT_FALSE(move_down_5.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_25.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_14.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_21.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_23.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_29.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_32.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_30.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_TRUE(move_down_15.IsApplicable(context.get(), fact_manager));
|
|
ASSERT_FALSE(move_down_20.IsApplicable(context.get(), fact_manager));
|
|
}
|
|
|
|
TEST(TransformationMoveBlockDownTest, DoNotMoveUnreachable) {
|
|
// Block 6 is unreachable, so cannot be moved down.
|
|
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
|
|
%3 = OpTypeFunction %2
|
|
%10 = OpTypeInt 32 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
%6 = OpLabel
|
|
%7 = OpUndef %10
|
|
OpBranch %8
|
|
%8 = OpLabel
|
|
%9 = OpCopyObject %10 %7
|
|
OpReturn
|
|
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;
|
|
|
|
auto transformation = TransformationMoveBlockDown(6);
|
|
ASSERT_FALSE(transformation.IsApplicable(context.get(), fact_manager));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|