mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-24 12:30:13 +00:00
1ab52e54ab
This PR adds the NestingDepth function to StructuredCFGAnalysis. This function, given a block id, returns the number of merge constructs containing it. This is needed by spirv-fuzz, but it makes sense to add it to StructuredCFGAnalaysis, which contains related functionalities.
1532 lines
54 KiB
C++
1532 lines
54 KiB
C++
// Copyright (c) 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/opt/struct_cfg_analysis.h"
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#include <string>
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#include "gmock/gmock.h"
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#include "test/opt/assembly_builder.h"
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#include "test/opt/pass_fixture.h"
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#include "test/opt/pass_utils.h"
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namespace spvtools {
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namespace opt {
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namespace {
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using StructCFGAnalysisTest = PassTest<::testing::Test>;
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using ::testing::UnorderedElementsAre;
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TEST_F(StructCFGAnalysisTest, BBInSelection) {
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const std::string text = R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%bool = OpTypeBool
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%bool_undef = OpUndef %bool
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%uint = OpTypeInt 32 0
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%uint_undef = OpUndef %uint
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%void_func = OpTypeFunction %void
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%main = OpFunction %void None %void_func
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%1 = OpLabel
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OpSelectionMerge %3 None
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OpBranchConditional %undef_bool %2 %3
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%2 = OpLabel
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OpBranch %3
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%3 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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StructuredCFGAnalysis analysis(context.get());
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// The header is not in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(1), 0);
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EXPECT_EQ(analysis.ContainingLoop(1), 0);
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EXPECT_EQ(analysis.MergeBlock(1), 0);
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EXPECT_EQ(analysis.NestingDepth(1), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
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EXPECT_EQ(analysis.ContainingSwitch(1), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(1));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
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EXPECT_FALSE(analysis.IsInContinueConstruct(1));
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EXPECT_FALSE(analysis.IsMergeBlock(1));
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// BB2 is in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(2), 1);
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EXPECT_EQ(analysis.ContainingLoop(2), 0);
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EXPECT_EQ(analysis.MergeBlock(2), 3);
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EXPECT_EQ(analysis.NestingDepth(2), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
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EXPECT_EQ(analysis.ContainingSwitch(2), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(2));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
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EXPECT_FALSE(analysis.IsInContinueConstruct(2));
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EXPECT_FALSE(analysis.IsMergeBlock(2));
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// The merge node is not in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(3), 0);
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EXPECT_EQ(analysis.ContainingLoop(3), 0);
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EXPECT_EQ(analysis.MergeBlock(3), 0);
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EXPECT_EQ(analysis.NestingDepth(3), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
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EXPECT_EQ(analysis.ContainingSwitch(3), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(3));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
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EXPECT_FALSE(analysis.IsInContinueConstruct(3));
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EXPECT_TRUE(analysis.IsMergeBlock(3));
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}
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TEST_F(StructCFGAnalysisTest, BBInLoop) {
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const std::string text = R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%bool = OpTypeBool
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%bool_undef = OpUndef %bool
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%uint = OpTypeInt 32 0
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%uint_undef = OpUndef %uint
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%void_func = OpTypeFunction %void
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%main = OpFunction %void None %void_func
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%entry_lab = OpLabel
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OpBranch %1
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%1 = OpLabel
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OpLoopMerge %3 %4 None
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OpBranchConditional %undef_bool %2 %3
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%2 = OpLabel
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OpBranch %3
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%4 = OpLabel
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OpBranch %1
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%3 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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StructuredCFGAnalysis analysis(context.get());
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// The header is not in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(1), 0);
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EXPECT_EQ(analysis.ContainingLoop(1), 0);
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EXPECT_EQ(analysis.MergeBlock(1), 0);
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EXPECT_EQ(analysis.NestingDepth(1), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
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EXPECT_EQ(analysis.ContainingSwitch(1), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(1));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
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EXPECT_FALSE(analysis.IsInContinueConstruct(1));
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EXPECT_FALSE(analysis.IsMergeBlock(1));
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// BB2 is in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(2), 1);
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EXPECT_EQ(analysis.ContainingLoop(2), 1);
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EXPECT_EQ(analysis.MergeBlock(2), 3);
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EXPECT_EQ(analysis.NestingDepth(2), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(2), 3);
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EXPECT_EQ(analysis.LoopNestingDepth(2), 1);
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EXPECT_EQ(analysis.ContainingSwitch(2), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(2));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
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EXPECT_FALSE(analysis.IsInContinueConstruct(2));
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EXPECT_FALSE(analysis.IsMergeBlock(2));
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// The merge node is not in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(3), 0);
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EXPECT_EQ(analysis.ContainingLoop(3), 0);
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EXPECT_EQ(analysis.MergeBlock(3), 0);
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EXPECT_EQ(analysis.NestingDepth(3), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
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EXPECT_EQ(analysis.ContainingSwitch(3), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(3));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
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EXPECT_FALSE(analysis.IsInContinueConstruct(3));
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EXPECT_TRUE(analysis.IsMergeBlock(3));
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// The continue block is in the construct.
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EXPECT_EQ(analysis.ContainingConstruct(4), 1);
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EXPECT_EQ(analysis.ContainingLoop(4), 1);
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EXPECT_EQ(analysis.MergeBlock(4), 3);
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EXPECT_EQ(analysis.NestingDepth(4), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(4), 3);
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EXPECT_EQ(analysis.LoopNestingDepth(4), 1);
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EXPECT_EQ(analysis.ContainingSwitch(4), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
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EXPECT_TRUE(analysis.IsContinueBlock(4));
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EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(4));
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EXPECT_TRUE(analysis.IsInContinueConstruct(4));
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EXPECT_FALSE(analysis.IsMergeBlock(4));
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}
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TEST_F(StructCFGAnalysisTest, SelectionInLoop) {
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const std::string text = R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%bool = OpTypeBool
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%bool_undef = OpUndef %bool
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%uint = OpTypeInt 32 0
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%uint_undef = OpUndef %uint
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%void_func = OpTypeFunction %void
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%main = OpFunction %void None %void_func
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%entry_lab = OpLabel
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OpBranch %1
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%1 = OpLabel
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OpLoopMerge %3 %4 None
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OpBranchConditional %undef_bool %2 %3
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%2 = OpLabel
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OpSelectionMerge %6 None
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OpBranchConditional %undef_bool %5 %6
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%5 = OpLabel
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OpBranch %6
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%6 = OpLabel
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OpBranch %3
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%4 = OpLabel
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OpBranch %1
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%3 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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StructuredCFGAnalysis analysis(context.get());
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// The loop header is not in either construct.
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EXPECT_EQ(analysis.ContainingConstruct(1), 0);
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EXPECT_EQ(analysis.ContainingLoop(1), 0);
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EXPECT_EQ(analysis.MergeBlock(1), 0);
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EXPECT_EQ(analysis.NestingDepth(1), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
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EXPECT_EQ(analysis.ContainingSwitch(1), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(1));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
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EXPECT_FALSE(analysis.IsInContinueConstruct(1));
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EXPECT_FALSE(analysis.IsMergeBlock(1));
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// Selection header is in the loop only.
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EXPECT_EQ(analysis.ContainingConstruct(2), 1);
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EXPECT_EQ(analysis.ContainingLoop(2), 1);
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EXPECT_EQ(analysis.MergeBlock(2), 3);
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EXPECT_EQ(analysis.NestingDepth(2), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(2), 3);
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EXPECT_EQ(analysis.LoopNestingDepth(2), 1);
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EXPECT_EQ(analysis.ContainingSwitch(2), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(2));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
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EXPECT_FALSE(analysis.IsInContinueConstruct(2));
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EXPECT_FALSE(analysis.IsMergeBlock(2));
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// The loop merge node is not in either construct.
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EXPECT_EQ(analysis.ContainingConstruct(3), 0);
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EXPECT_EQ(analysis.ContainingLoop(3), 0);
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EXPECT_EQ(analysis.MergeBlock(3), 0);
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EXPECT_EQ(analysis.NestingDepth(3), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
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EXPECT_EQ(analysis.ContainingSwitch(3), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(3));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
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EXPECT_FALSE(analysis.IsInContinueConstruct(3));
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EXPECT_TRUE(analysis.IsMergeBlock(3));
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// The continue block is in the loop only.
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EXPECT_EQ(analysis.ContainingConstruct(4), 1);
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EXPECT_EQ(analysis.ContainingLoop(4), 1);
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EXPECT_EQ(analysis.MergeBlock(4), 3);
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EXPECT_EQ(analysis.NestingDepth(4), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(4), 3);
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EXPECT_EQ(analysis.LoopNestingDepth(4), 1);
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EXPECT_EQ(analysis.ContainingSwitch(4), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
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EXPECT_TRUE(analysis.IsContinueBlock(4));
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EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(4));
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EXPECT_TRUE(analysis.IsInContinueConstruct(4));
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EXPECT_FALSE(analysis.IsMergeBlock(4));
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// BB5 is in the selection and the loop.
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EXPECT_EQ(analysis.ContainingConstruct(5), 2);
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EXPECT_EQ(analysis.ContainingLoop(5), 1);
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EXPECT_EQ(analysis.MergeBlock(5), 6);
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EXPECT_EQ(analysis.NestingDepth(5), 2);
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EXPECT_EQ(analysis.LoopMergeBlock(5), 3);
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EXPECT_EQ(analysis.LoopNestingDepth(5), 1);
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EXPECT_EQ(analysis.ContainingSwitch(5), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(5));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(5));
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EXPECT_FALSE(analysis.IsInContinueConstruct(5));
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EXPECT_FALSE(analysis.IsMergeBlock(5));
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// The selection merge is in the loop only.
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EXPECT_EQ(analysis.ContainingConstruct(6), 1);
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EXPECT_EQ(analysis.ContainingLoop(6), 1);
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EXPECT_EQ(analysis.MergeBlock(6), 3);
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EXPECT_EQ(analysis.NestingDepth(6), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(6), 3);
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EXPECT_EQ(analysis.LoopNestingDepth(6), 1);
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EXPECT_EQ(analysis.ContainingSwitch(6), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(6), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(6));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(6));
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EXPECT_FALSE(analysis.IsInContinueConstruct(6));
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EXPECT_TRUE(analysis.IsMergeBlock(6));
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}
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TEST_F(StructCFGAnalysisTest, LoopInSelection) {
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const std::string text = R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%bool = OpTypeBool
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%bool_undef = OpUndef %bool
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%uint = OpTypeInt 32 0
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%uint_undef = OpUndef %uint
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%void_func = OpTypeFunction %void
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%main = OpFunction %void None %void_func
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%entry_lab = OpLabel
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OpBranch %1
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%1 = OpLabel
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OpSelectionMerge %3 None
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OpBranchConditional %undef_bool %2 %3
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%2 = OpLabel
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OpLoopMerge %4 %5 None
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OpBranchConditional %undef_bool %4 %6
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%5 = OpLabel
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OpBranch %2
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%6 = OpLabel
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OpBranch %4
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%4 = OpLabel
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OpBranch %3
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%3 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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StructuredCFGAnalysis analysis(context.get());
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// The selection header is not in either construct.
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EXPECT_EQ(analysis.ContainingConstruct(1), 0);
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EXPECT_EQ(analysis.ContainingLoop(1), 0);
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EXPECT_EQ(analysis.MergeBlock(1), 0);
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EXPECT_EQ(analysis.NestingDepth(1), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
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EXPECT_EQ(analysis.ContainingSwitch(1), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(1));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
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EXPECT_FALSE(analysis.IsInContinueConstruct(1));
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EXPECT_FALSE(analysis.IsMergeBlock(1));
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// Loop header is in the selection only.
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EXPECT_EQ(analysis.ContainingConstruct(2), 1);
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EXPECT_EQ(analysis.ContainingLoop(2), 0);
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EXPECT_EQ(analysis.MergeBlock(2), 3);
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EXPECT_EQ(analysis.NestingDepth(2), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
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EXPECT_EQ(analysis.ContainingSwitch(2), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(2));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
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EXPECT_FALSE(analysis.IsInContinueConstruct(2));
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EXPECT_FALSE(analysis.IsMergeBlock(2));
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// The selection merge node is not in either construct.
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EXPECT_EQ(analysis.ContainingConstruct(3), 0);
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EXPECT_EQ(analysis.ContainingLoop(3), 0);
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EXPECT_EQ(analysis.MergeBlock(3), 0);
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EXPECT_EQ(analysis.NestingDepth(3), 0);
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EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
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EXPECT_EQ(analysis.ContainingSwitch(3), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(3));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
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EXPECT_FALSE(analysis.IsInContinueConstruct(3));
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EXPECT_TRUE(analysis.IsMergeBlock(3));
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// The loop merge is in the selection only.
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EXPECT_EQ(analysis.ContainingConstruct(4), 1);
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EXPECT_EQ(analysis.ContainingLoop(4), 0);
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EXPECT_EQ(analysis.MergeBlock(4), 3);
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EXPECT_EQ(analysis.NestingDepth(4), 1);
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EXPECT_EQ(analysis.LoopMergeBlock(4), 0);
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EXPECT_EQ(analysis.LoopNestingDepth(4), 0);
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EXPECT_EQ(analysis.ContainingSwitch(4), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
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EXPECT_FALSE(analysis.IsContinueBlock(4));
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EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(4));
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EXPECT_FALSE(analysis.IsInContinueConstruct(4));
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EXPECT_TRUE(analysis.IsMergeBlock(4));
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// The loop continue target is in the loop.
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EXPECT_EQ(analysis.ContainingConstruct(5), 2);
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EXPECT_EQ(analysis.ContainingLoop(5), 2);
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EXPECT_EQ(analysis.MergeBlock(5), 4);
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EXPECT_EQ(analysis.NestingDepth(5), 2);
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EXPECT_EQ(analysis.LoopMergeBlock(5), 4);
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EXPECT_EQ(analysis.LoopNestingDepth(5), 1);
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EXPECT_EQ(analysis.ContainingSwitch(5), 0);
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EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
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EXPECT_TRUE(analysis.IsContinueBlock(5));
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EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(5));
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EXPECT_TRUE(analysis.IsInContinueConstruct(5));
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EXPECT_FALSE(analysis.IsMergeBlock(5));
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// BB6 is in the loop.
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EXPECT_EQ(analysis.ContainingConstruct(6), 2);
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EXPECT_EQ(analysis.ContainingLoop(6), 2);
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EXPECT_EQ(analysis.MergeBlock(6), 4);
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EXPECT_EQ(analysis.NestingDepth(6), 2);
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EXPECT_EQ(analysis.LoopMergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(6), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(6), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(6), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(6));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(6));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, SelectionInSelection) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpSelectionMerge %3 None
|
|
OpBranchConditional %undef_bool %2 %3
|
|
%2 = OpLabel
|
|
OpSelectionMerge %4 None
|
|
OpBranchConditional %undef_bool %4 %5
|
|
%5 = OpLabel
|
|
OpBranch %4
|
|
%4 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The outer selection header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// The inner header is in the outer selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The outer merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The inner merge is in the outer selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(4));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(4));
|
|
|
|
// BB5 is in the inner selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(5));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, LoopInLoop) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpLoopMerge %3 %7 None
|
|
OpBranchConditional %undef_bool %2 %3
|
|
%2 = OpLabel
|
|
OpLoopMerge %4 %5 None
|
|
OpBranchConditional %undef_bool %4 %6
|
|
%5 = OpLabel
|
|
OpBranch %2
|
|
%6 = OpLabel
|
|
OpBranch %4
|
|
%4 = OpLabel
|
|
OpBranch %3
|
|
%7 = OpLabel
|
|
OpBranch %1
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The outer loop header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// The inner loop header is in the outer loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The outer merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The inner merge is in the outer loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(4));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(4));
|
|
|
|
// The inner continue target is in the inner loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 2);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
|
|
EXPECT_TRUE(analysis.IsContinueBlock(5));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
|
|
// BB6 is in the loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(6), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(6), 2);
|
|
EXPECT_EQ(analysis.MergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(6), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(6), 2);
|
|
EXPECT_EQ(analysis.ContainingSwitch(6), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(6), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(6));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(6));
|
|
|
|
// The outer continue target is in the outer loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(7), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(7), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(7), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(7), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(7), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(7), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(7), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(7), 0);
|
|
EXPECT_TRUE(analysis.IsContinueBlock(7));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(7));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(7));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(7));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, KernelTest) {
|
|
const std::string text = R"(
|
|
OpCapability Kernel
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%1 = OpLabel
|
|
OpBranchConditional %undef_bool %2 %3
|
|
%2 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// No structured control flow, so none of the basic block are in any
|
|
// construct.
|
|
for (uint32_t i = 1; i <= 3; i++) {
|
|
EXPECT_EQ(analysis.ContainingConstruct(i), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(i), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(i), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(i), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(i), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(i), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(i), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(i), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(i));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(i));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(i));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(i));
|
|
}
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, EmptyFunctionTest) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpCapability Linkage
|
|
OpMemoryModel Logical GLSL450
|
|
OpDecorate %func LinkageAttributes "x" Import
|
|
%void = OpTypeVoid
|
|
%void_fn = OpTypeFunction %void
|
|
%func = OpFunction %void None %void_fn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
// #2451: This segfaulted on empty functions.
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, BBInSwitch) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%1 = OpLabel
|
|
OpSelectionMerge %3 None
|
|
OpSwitch %uint_undef %2 0 %3
|
|
%2 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The header is not in the construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// BB2 is in the construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 1);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 3);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The merge node is not in the construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, LoopInSwitch) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpSelectionMerge %3 None
|
|
OpSwitch %uint_undef %2 1 %3
|
|
%2 = OpLabel
|
|
OpLoopMerge %4 %5 None
|
|
OpBranchConditional %undef_bool %4 %6
|
|
%5 = OpLabel
|
|
OpBranch %2
|
|
%6 = OpLabel
|
|
OpBranch %4
|
|
%4 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The selection header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// Loop header is in the selection only.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 1);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 3);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The selection merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The loop merge is in the selection only.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 1);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 3);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(4));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(4));
|
|
|
|
// The loop continue target is in the loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 2);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
|
|
EXPECT_TRUE(analysis.IsContinueBlock(5));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
|
|
// BB6 is in the loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(6), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(6), 2);
|
|
EXPECT_EQ(analysis.MergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(6), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(6), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(6), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(6), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(6));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(6));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, SelectionInSwitch) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpSelectionMerge %3 None
|
|
OpSwitch %uint_undef %2 10 %3
|
|
%2 = OpLabel
|
|
OpSelectionMerge %4 None
|
|
OpBranchConditional %undef_bool %4 %5
|
|
%5 = OpLabel
|
|
OpBranch %4
|
|
%4 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The outer selection header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// The inner header is in the outer selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 1);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 3);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The outer merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The inner merge is in the outer selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 1);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 3);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(4));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(4));
|
|
|
|
// BB5 is in the inner selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 1);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 3);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(5));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, SwitchInSelection) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpSelectionMerge %3 None
|
|
OpBranchConditional %undef_bool %2 %3
|
|
%2 = OpLabel
|
|
OpSelectionMerge %4 None
|
|
OpSwitch %uint_undef %4 7 %5
|
|
%5 = OpLabel
|
|
OpBranch %4
|
|
%4 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The outer selection header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// The inner header is in the outer selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The outer merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The inner merge is in the outer selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(4));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(4));
|
|
|
|
// BB5 is in the inner selection.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 2);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 2);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 4);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(5));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, SelectionInContinue) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpLoopMerge %3 %4 None
|
|
OpBranchConditional %undef_bool %2 %3
|
|
%2 = OpLabel
|
|
OpBranch %3
|
|
%4 = OpLabel
|
|
OpSelectionMerge %6 None
|
|
OpBranchConditional %undef_bool %5 %6
|
|
%5 = OpLabel
|
|
OpBranch %6
|
|
%6 = OpLabel
|
|
OpBranch %1
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The loop header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// Selection header is in the loop only.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The loop merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The continue block is in the loop only.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
|
|
EXPECT_TRUE(analysis.IsContinueBlock(4));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(4));
|
|
|
|
// BB5 is in the selection and the continue for the loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 4);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 6);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(5));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
|
|
// BB5 is in the continue for the loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(6), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(6), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(6), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(6), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(6), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(6), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(6), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(6), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(6));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(6));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(6));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(6));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, LoopInContinue) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%bool_undef = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_undef = OpUndef %uint
|
|
%void_func = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_func
|
|
%entry_lab = OpLabel
|
|
OpBranch %1
|
|
%1 = OpLabel
|
|
OpLoopMerge %3 %7 None
|
|
OpBranchConditional %undef_bool %2 %3
|
|
%2 = OpLabel
|
|
OpBranchConditional %undef_bool %3 %7
|
|
%7 = OpLabel
|
|
OpLoopMerge %4 %5 None
|
|
OpBranchConditional %undef_bool %4 %6
|
|
%5 = OpLabel
|
|
OpBranch %7
|
|
%6 = OpLabel
|
|
OpBranch %4
|
|
%4 = OpLabel
|
|
OpBranch %1
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
// The outer loop header is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(1), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(1), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(1), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(1), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(1), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(1), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(1));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(1));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(1));
|
|
|
|
// BB2 is a regular block in the inner loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(2), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(2), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(2), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(2), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(2), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(2), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(2));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(2));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(2));
|
|
|
|
// The outer merge node is not in either construct.
|
|
EXPECT_EQ(analysis.ContainingConstruct(3), 0);
|
|
EXPECT_EQ(analysis.ContainingLoop(3), 0);
|
|
EXPECT_EQ(analysis.MergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.NestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(3), 0);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(3), 0);
|
|
EXPECT_EQ(analysis.ContainingSwitch(3), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(3), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(3));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(3));
|
|
EXPECT_FALSE(analysis.IsInContinueConstruct(3));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(3));
|
|
|
|
// The inner merge is in the continue of the outer loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(4), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(4), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(4), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(4), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(4), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(4), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(4));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(4));
|
|
EXPECT_TRUE(analysis.IsMergeBlock(4));
|
|
|
|
// The inner continue target is in the inner loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(5), 7);
|
|
EXPECT_EQ(analysis.ContainingLoop(5), 7);
|
|
EXPECT_EQ(analysis.MergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(5), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(5), 2);
|
|
EXPECT_EQ(analysis.ContainingSwitch(5), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(5), 0);
|
|
EXPECT_TRUE(analysis.IsContinueBlock(5));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(5));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(5));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(5));
|
|
|
|
// BB6 is a regular block in the inner loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(6), 7);
|
|
EXPECT_EQ(analysis.ContainingLoop(6), 7);
|
|
EXPECT_EQ(analysis.MergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.NestingDepth(6), 2);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(6), 4);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(6), 2);
|
|
EXPECT_EQ(analysis.ContainingSwitch(6), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(6), 0);
|
|
EXPECT_FALSE(analysis.IsContinueBlock(6));
|
|
EXPECT_FALSE(analysis.IsInContainingLoopsContinueConstruct(6));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(6));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(6));
|
|
|
|
// The outer continue target is in the outer loop.
|
|
EXPECT_EQ(analysis.ContainingConstruct(7), 1);
|
|
EXPECT_EQ(analysis.ContainingLoop(7), 1);
|
|
EXPECT_EQ(analysis.MergeBlock(7), 3);
|
|
EXPECT_EQ(analysis.NestingDepth(7), 1);
|
|
EXPECT_EQ(analysis.LoopMergeBlock(7), 3);
|
|
EXPECT_EQ(analysis.LoopNestingDepth(7), 1);
|
|
EXPECT_EQ(analysis.ContainingSwitch(7), 0);
|
|
EXPECT_EQ(analysis.SwitchMergeBlock(7), 0);
|
|
EXPECT_TRUE(analysis.IsContinueBlock(7));
|
|
EXPECT_TRUE(analysis.IsInContainingLoopsContinueConstruct(7));
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(7));
|
|
EXPECT_FALSE(analysis.IsMergeBlock(7));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, FuncCallInContinueDirect) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %1 "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%4 = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%6 = OpUndef %uint
|
|
%7 = OpTypeFunction %void
|
|
%1 = OpFunction %void None %7
|
|
%8 = OpLabel
|
|
OpBranch %9
|
|
%9 = OpLabel
|
|
OpLoopMerge %10 %11 None
|
|
OpBranchConditional %12 %10 %11
|
|
%11 = OpLabel
|
|
%13 = OpFunctionCall %void %14
|
|
OpBranch %9
|
|
%10 = OpLabel
|
|
%15 = OpFunctionCall %void %16
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%14 = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%16 = OpFunction %void None %7
|
|
%18 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
auto c = analysis.FindFuncsCalledFromContinue();
|
|
EXPECT_THAT(c, UnorderedElementsAre(14u));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, FuncCallInContinueIndirect) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %1 "main"
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%4 = OpUndef %bool
|
|
%uint = OpTypeInt 32 0
|
|
%6 = OpUndef %uint
|
|
%7 = OpTypeFunction %void
|
|
%1 = OpFunction %void None %7
|
|
%8 = OpLabel
|
|
OpBranch %9
|
|
%9 = OpLabel
|
|
OpLoopMerge %10 %11 None
|
|
OpBranchConditional %12 %10 %11
|
|
%11 = OpLabel
|
|
%13 = OpFunctionCall %void %14
|
|
OpBranch %9
|
|
%10 = OpLabel
|
|
%15 = OpFunctionCall %void %16
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%14 = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
%19 = OpFunctionCall %void %16
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%16 = OpFunction %void None %7
|
|
%18 = OpLabel
|
|
%20 = OpFunctionCall %void %21
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%21 = OpFunction %void None %7
|
|
%22 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
auto c = analysis.FindFuncsCalledFromContinue();
|
|
EXPECT_THAT(c, UnorderedElementsAre(14u, 16u, 21u));
|
|
}
|
|
|
|
TEST_F(StructCFGAnalysisTest, SingleBlockLoop) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpCapability Linkage
|
|
OpMemoryModel Logical GLSL450
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%undef = OpUndef %bool
|
|
%void_fn = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_fn
|
|
%2 = OpLabel
|
|
OpBranch %3
|
|
%3 = OpLabel
|
|
OpLoopMerge %4 %3 None
|
|
OpBranchConditional %undef %3 %4
|
|
%4 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
StructuredCFGAnalysis analysis(context.get());
|
|
|
|
EXPECT_TRUE(analysis.IsInContinueConstruct(3));
|
|
}
|
|
} // namespace
|
|
} // namespace opt
|
|
} // namespace spvtools
|