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author | Sivarv <sivarv@microsoft.com> | 2016-10-12 16:45:20 -0700 |
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committer | GitHub <noreply@github.com> | 2016-10-12 16:45:20 -0700 |
commit | 5e8d8ce69ef23e575dc95e538f9de580eae20fdb (patch) | |
tree | 4baa7177e2e123918575c958db2c41b2a093f668 /tests | |
parent | fddf3fd566e4b1f30da87e9bc6cab2af3c017977 (diff) | |
parent | 6a4a93690898f2da67c9a000d509369f0ce6a1de (diff) | |
download | coreclr-5e8d8ce69ef23e575dc95e538f9de580eae20fdb.tar.gz coreclr-5e8d8ce69ef23e575dc95e538f9de580eae20fdb.tar.bz2 coreclr-5e8d8ce69ef23e575dc95e538f9de580eae20fdb.zip |
Merge pull request #7584 from sivarv/regressionTest
Adding JIT regression test for the re-morph optimzation that transforms JIT_Stelem_Ref(a, null, i) into a[i]=null.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.cs | 56 | ||||
-rw-r--r-- | tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.csproj | 46 |
2 files changed, 102 insertions, 0 deletions
diff --git a/tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.cs b/tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.cs new file mode 100644 index 0000000000..7b0151793b --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.cs @@ -0,0 +1,56 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + + +using System; +using System.Runtime.CompilerServices; + +// This test case is meant to test an optimization in morph that +// transforms helper call JIT_Stelem_Ref(a, null, i) to a[i] = null, +// which further gets transformed into an array address and bounds +// check nodes with references to the array local and the index +// local. It is expected while doing such a transform, array +// local and index local are appropriately ref counted and Value +// number is updated post-global-morph and jit compilation +// won't run into any asserts. +class DevDiv_142976 +{ + [MethodImpl(MethodImplOptions.NoInlining)] + public static String Foo() + { + return null; + } + + [MethodImpl(MethodImplOptions.NoInlining)] + public static void Bar() + { + String[] args = new String[10]; + if (args != null) + { + throw new Exception(); + } + + String s = Foo(); + if (s == null) + { + // This will result in JIT_Stelem_Ref(args, null, 0) call + // which gets re-morphed into args[0] = null. + args[0] = s; + } + } + + public static int Main() + { + try + { + Bar(); + } + catch (Exception) + { + } + + Console.WriteLine("Pass"); + return 100; + } +}
\ No newline at end of file diff --git a/tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.csproj b/tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.csproj new file mode 100644 index 0000000000..0c1a10eb95 --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/DevDiv_142976/DevDiv_142976.csproj @@ -0,0 +1,46 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" /> + <PropertyGroup> + <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> + <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> + <AssemblyName>$(MSBuildProjectName)</AssemblyName> + <SchemaVersion>2.0</SchemaVersion> + <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid> + <OutputType>Exe</OutputType> + <AppDesignerFolder>Properties</AppDesignerFolder> + <FileAlignment>512</FileAlignment> + <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids> + <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath> + <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir> + + <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp> + </PropertyGroup> + <!-- Default configurations to help VS understand the configurations --> + <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> + </PropertyGroup> + <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> + </PropertyGroup> + <ItemGroup> + <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies"> + <Visible>False</Visible> + </CodeAnalysisDependentAssemblyPaths> + </ItemGroup> + <PropertyGroup> + <DebugType></DebugType> + <Optimize>True</Optimize> + </PropertyGroup> + <ItemGroup> + <Compile Include="DevDiv_142976.cs" /> + </ItemGroup> + <ItemGroup> + <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" /> + </ItemGroup> + <PropertyGroup> + <ProjectJson>$(JitPackagesConfigFileDirectory)minimal\project.json</ProjectJson> + <ProjectLockJson>$(JitPackagesConfigFileDirectory)minimal\project.lock.json</ProjectLockJson> + </PropertyGroup> + <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" /> + <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "> + </PropertyGroup> +</Project> |