mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-24 12:30:13 +00:00
302 lines
8.1 KiB
C++
302 lines
8.1 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 <memory>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "function_utils.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "source/opt/build_module.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace opt {
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namespace {
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using ::testing::Eq;
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TEST(FunctionTest, HasEarlyReturn) {
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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 Vertex %6 "main"
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; Types
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%2 = OpTypeBool
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%3 = OpTypeVoid
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%4 = OpTypeFunction %3
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; Constants
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%5 = OpConstantTrue %2
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; main function without early return
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%6 = OpFunction %3 None %4
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%7 = OpLabel
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OpBranch %8
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%8 = OpLabel
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OpBranch %9
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%9 = OpLabel
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OpBranch %10
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%10 = OpLabel
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OpReturn
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OpFunctionEnd
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; function with early return
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%11 = OpFunction %3 None %4
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%12 = OpLabel
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OpSelectionMerge %15 None
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OpBranchConditional %5 %13 %14
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%13 = OpLabel
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OpReturn
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%14 = OpLabel
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OpBranch %15
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%15 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const auto context =
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BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, shader,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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// Tests |function| without early return.
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auto* function = spvtest::GetFunction(context->module(), 6);
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ASSERT_FALSE(function->HasEarlyReturn());
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// Tests |function| with early return.
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function = spvtest::GetFunction(context->module(), 11);
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ASSERT_TRUE(function->HasEarlyReturn());
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}
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TEST(FunctionTest, IsNotRecursive) {
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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 %1 "main"
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OpExecutionMode %1 OriginUpperLeft
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OpDecorate %2 DescriptorSet 439418829
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%void = OpTypeVoid
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%4 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_struct_6 = OpTypeStruct %float %float
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%7 = OpTypeFunction %_struct_6
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%1 = OpFunction %void Pure|Const %4
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%8 = OpLabel
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%2 = OpFunctionCall %_struct_6 %9
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OpKill
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OpFunctionEnd
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%9 = OpFunction %_struct_6 None %7
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%10 = OpLabel
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%11 = OpFunctionCall %_struct_6 %12
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OpUnreachable
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OpFunctionEnd
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%12 = OpFunction %_struct_6 None %7
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%13 = OpLabel
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OpUnreachable
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> ctx =
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spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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auto* func = spvtest::GetFunction(ctx->module(), 9);
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EXPECT_FALSE(func->IsRecursive());
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func = spvtest::GetFunction(ctx->module(), 12);
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EXPECT_FALSE(func->IsRecursive());
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}
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TEST(FunctionTest, IsDirectlyRecursive) {
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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 %1 "main"
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OpExecutionMode %1 OriginUpperLeft
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OpDecorate %2 DescriptorSet 439418829
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%void = OpTypeVoid
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%4 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_struct_6 = OpTypeStruct %float %float
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%7 = OpTypeFunction %_struct_6
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%1 = OpFunction %void Pure|Const %4
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%8 = OpLabel
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%2 = OpFunctionCall %_struct_6 %9
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OpKill
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OpFunctionEnd
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%9 = OpFunction %_struct_6 None %7
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%10 = OpLabel
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%11 = OpFunctionCall %_struct_6 %9
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OpUnreachable
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> ctx =
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spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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auto* func = spvtest::GetFunction(ctx->module(), 9);
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EXPECT_TRUE(func->IsRecursive());
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}
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TEST(FunctionTest, IsIndirectlyRecursive) {
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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 %1 "main"
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OpExecutionMode %1 OriginUpperLeft
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OpDecorate %2 DescriptorSet 439418829
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%void = OpTypeVoid
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%4 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_struct_6 = OpTypeStruct %float %float
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%7 = OpTypeFunction %_struct_6
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%1 = OpFunction %void Pure|Const %4
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%8 = OpLabel
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%2 = OpFunctionCall %_struct_6 %9
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OpKill
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OpFunctionEnd
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%9 = OpFunction %_struct_6 None %7
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%10 = OpLabel
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%11 = OpFunctionCall %_struct_6 %12
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OpUnreachable
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OpFunctionEnd
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%12 = OpFunction %_struct_6 None %7
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%13 = OpLabel
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%14 = OpFunctionCall %_struct_6 %9
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OpUnreachable
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> ctx =
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spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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auto* func = spvtest::GetFunction(ctx->module(), 9);
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EXPECT_TRUE(func->IsRecursive());
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func = spvtest::GetFunction(ctx->module(), 12);
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EXPECT_TRUE(func->IsRecursive());
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}
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TEST(FunctionTest, IsNotRecuriseCallingRecursive) {
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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 %1 "main"
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OpExecutionMode %1 OriginUpperLeft
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OpDecorate %2 DescriptorSet 439418829
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%void = OpTypeVoid
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%4 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_struct_6 = OpTypeStruct %float %float
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%7 = OpTypeFunction %_struct_6
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%1 = OpFunction %void Pure|Const %4
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%8 = OpLabel
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%2 = OpFunctionCall %_struct_6 %9
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OpKill
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OpFunctionEnd
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%9 = OpFunction %_struct_6 None %7
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%10 = OpLabel
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%11 = OpFunctionCall %_struct_6 %9
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OpUnreachable
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OpFunctionEnd
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)";
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std::unique_ptr<IRContext> ctx =
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spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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auto* func = spvtest::GetFunction(ctx->module(), 1);
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EXPECT_FALSE(func->IsRecursive());
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}
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TEST(FunctionTest, NonSemanticInfoSkipIteration) {
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const std::string text = R"(
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OpCapability Shader
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OpCapability Linkage
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OpExtension "SPV_KHR_non_semantic_info"
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%1 = OpExtInstImport "NonSemantic.Test"
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OpMemoryModel Logical GLSL450
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%6 = OpExtInst %2 %1 1
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OpReturn
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OpFunctionEnd
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%7 = OpExtInst %2 %1 2
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%8 = OpExtInst %2 %1 3
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)";
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std::unique_ptr<IRContext> ctx =
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spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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auto* func = spvtest::GetFunction(ctx->module(), 4);
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ASSERT_TRUE(func != nullptr);
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std::unordered_set<uint32_t> non_semantic_ids;
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func->ForEachInst(
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[&non_semantic_ids](const Instruction* inst) {
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if (inst->opcode() == SpvOpExtInst) {
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non_semantic_ids.insert(inst->result_id());
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}
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},
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true, false);
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EXPECT_EQ(1, non_semantic_ids.count(6));
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EXPECT_EQ(0, non_semantic_ids.count(7));
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EXPECT_EQ(0, non_semantic_ids.count(8));
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}
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TEST(FunctionTest, NonSemanticInfoIncludeIteration) {
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const std::string text = R"(
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OpCapability Shader
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OpCapability Linkage
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OpExtension "SPV_KHR_non_semantic_info"
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%1 = OpExtInstImport "NonSemantic.Test"
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OpMemoryModel Logical GLSL450
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%6 = OpExtInst %2 %1 1
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OpReturn
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OpFunctionEnd
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%7 = OpExtInst %2 %1 2
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%8 = OpExtInst %2 %1 3
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)";
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std::unique_ptr<IRContext> ctx =
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spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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auto* func = spvtest::GetFunction(ctx->module(), 4);
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ASSERT_TRUE(func != nullptr);
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std::unordered_set<uint32_t> non_semantic_ids;
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func->ForEachInst(
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[&non_semantic_ids](const Instruction* inst) {
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if (inst->opcode() == SpvOpExtInst) {
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non_semantic_ids.insert(inst->result_id());
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}
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},
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true, true);
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EXPECT_EQ(1, non_semantic_ids.count(6));
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EXPECT_EQ(1, non_semantic_ids.count(7));
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EXPECT_EQ(1, non_semantic_ids.count(8));
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}
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} // namespace
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} // namespace opt
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} // namespace spvtools
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