mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-30 15:00:06 +00:00
239 lines
7.9 KiB
C++
239 lines
7.9 KiB
C++
// Copyright (c) 2020 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/reduce/remove_unused_struct_member_reduction_opportunity_finder.h"
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#include "source/opt/build_module.h"
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#include "source/reduce/reduction_opportunity.h"
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#include "test/reduce/reduce_test_util.h"
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namespace spvtools {
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namespace reduce {
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namespace {
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TEST(RemoveUnusedStructMemberTest, RemoveOneMember) {
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypeStruct %6 %6
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%8 = OpTypePointer Function %7
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%50 = OpConstant %6 0
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%10 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpConstantComposite %7 %10 %11
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%13 = OpConstant %6 4
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%14 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%9 = OpVariable %8 Function
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OpStore %9 %12
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%15 = OpAccessChain %14 %9 %10
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%22 = OpInBoundsAccessChain %14 %9 %10
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%20 = OpLoad %7 %9
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%21 = OpCompositeExtract %6 %20 1
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%23 = OpCompositeInsert %7 %10 %20 1
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OpStore %15 %13
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, shader, kReduceAssembleOption);
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auto ops = RemoveUnusedStructMemberReductionOpportunityFinder()
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.GetAvailableOpportunities(context.get());
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ASSERT_EQ(1, ops.size());
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ASSERT_TRUE(ops[0]->PreconditionHolds());
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ops[0]->TryToApply();
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CheckValid(env, context.get());
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std::string expected = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypeStruct %6
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%8 = OpTypePointer Function %7
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%50 = OpConstant %6 0
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%10 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpConstantComposite %7 %11
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%13 = OpConstant %6 4
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%14 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%9 = OpVariable %8 Function
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OpStore %9 %12
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%15 = OpAccessChain %14 %9 %50
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%22 = OpInBoundsAccessChain %14 %9 %50
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%20 = OpLoad %7 %9
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%21 = OpCompositeExtract %6 %20 0
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%23 = OpCompositeInsert %7 %10 %20 0
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OpStore %15 %13
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OpReturn
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OpFunctionEnd
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)";
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CheckEqual(env, expected, context.get());
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}
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TEST(RemoveUnusedStructMemberTest, RemoveUniformBufferMember) {
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpMemberDecorate %10 0 Offset 0
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OpMemberDecorate %10 1 Offset 4
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OpDecorate %10 Block
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OpDecorate %12 DescriptorSet 0
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OpDecorate %12 Binding 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypePointer Function %6
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%9 = OpTypeInt 32 1
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%10 = OpTypeStruct %9 %6
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%11 = OpTypePointer Uniform %10
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%12 = OpVariable %11 Uniform
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%13 = OpConstant %9 1
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%20 = OpConstant %9 0
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%14 = OpTypePointer Uniform %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%15 = OpAccessChain %14 %12 %13
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%16 = OpLoad %6 %15
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OpStore %8 %16
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, shader, kReduceAssembleOption);
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auto ops = RemoveUnusedStructMemberReductionOpportunityFinder()
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.GetAvailableOpportunities(context.get());
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ASSERT_EQ(1, ops.size());
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ASSERT_TRUE(ops[0]->PreconditionHolds());
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ops[0]->TryToApply();
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CheckValid(env, context.get());
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std::string expected = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpMemberDecorate %10 0 Offset 4
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OpDecorate %10 Block
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OpDecorate %12 DescriptorSet 0
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OpDecorate %12 Binding 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypePointer Function %6
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%9 = OpTypeInt 32 1
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%10 = OpTypeStruct %6
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%11 = OpTypePointer Uniform %10
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%12 = OpVariable %11 Uniform
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%13 = OpConstant %9 1
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%20 = OpConstant %9 0
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%14 = OpTypePointer Uniform %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%15 = OpAccessChain %14 %12 %20
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%16 = OpLoad %6 %15
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OpStore %8 %16
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OpReturn
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OpFunctionEnd
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)";
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CheckEqual(env, expected, context.get());
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}
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TEST(RemoveUnusedStructMemberTest, DoNotRemoveNamedMemberRemoveOneMember) {
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// This illustrates that naming a member is enough to prevent its removal.
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// Removal of names is done by a different pass.
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpMemberName %7 0 "someName"
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OpMemberName %7 1 "someOtherName"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypeStruct %6 %6
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%8 = OpTypePointer Function %7
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%50 = OpConstant %6 0
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%10 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpConstantComposite %7 %10 %11
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%13 = OpConstant %6 4
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%14 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%9 = OpVariable %8 Function
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OpStore %9 %12
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%15 = OpAccessChain %14 %9 %10
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%22 = OpInBoundsAccessChain %14 %9 %10
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%20 = OpLoad %7 %9
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%21 = OpCompositeExtract %6 %20 1
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%23 = OpCompositeInsert %7 %10 %20 1
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OpStore %15 %13
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, shader, kReduceAssembleOption);
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auto ops = RemoveUnusedStructMemberReductionOpportunityFinder()
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.GetAvailableOpportunities(context.get());
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ASSERT_EQ(0, ops.size());
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}
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} // namespace
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} // namespace reduce
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} // namespace spvtools
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