mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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d90aae9a5a
* Fix .gitignore * Add missing reduction pass: RemoveBlockReductionOpportunityFinder * Add DumpShader functions in test_reduce for debugging * Add DumpShader functions in spirv-reduce for debugging * Fix include style * Don't use "using namespace"
102 lines
3.1 KiB
C++
102 lines
3.1 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/reduce/remove_unreferenced_instruction_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 "source/util/make_unique.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(RemoveUnreferencedInstructionReductionPassTest, RemoveStores) {
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const std::string prologue = 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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OpName %4 "main"
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OpName %8 "a"
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OpName %10 "b"
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OpName %12 "c"
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OpName %14 "d"
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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 = OpTypePointer Function %6
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%9 = OpConstant %6 10
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%11 = OpConstant %6 20
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%13 = OpConstant %6 30
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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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%10 = OpVariable %7 Function
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%12 = OpVariable %7 Function
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%14 = OpVariable %7 Function
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)";
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const std::string epilogue = R"(
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OpReturn
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OpFunctionEnd
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)";
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const std::string original = prologue + R"(
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OpStore %8 %9
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OpStore %10 %11
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OpStore %12 %13
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%15 = OpLoad %6 %8
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OpStore %14 %15
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)" + epilogue;
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const std::string expected_after_2 = prologue + R"(
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OpStore %12 %13
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%15 = OpLoad %6 %8
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OpStore %14 %15
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)" + epilogue;
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const std::string expected_after_4 = prologue + R"(
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%15 = OpLoad %6 %8
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)" + epilogue;
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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, original, kReduceAssembleOption);
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const auto ops = RemoveUnreferencedInstructionReductionOpportunityFinder()
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.GetAvailableOpportunities(context.get());
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ASSERT_EQ(4, ops.size());
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ASSERT_TRUE(ops[0]->PreconditionHolds());
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ops[0]->TryToApply();
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ASSERT_TRUE(ops[1]->PreconditionHolds());
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ops[1]->TryToApply();
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CheckEqual(env, expected_after_2, context.get());
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ASSERT_TRUE(ops[2]->PreconditionHolds());
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ops[2]->TryToApply();
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ASSERT_TRUE(ops[3]->PreconditionHolds());
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ops[3]->TryToApply();
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CheckEqual(env, expected_after_4, context.get());
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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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