From 140e519ef8fe494ac794f4d050dd87c23dc85f22 Mon Sep 17 00:00:00 2001
From: Carol Eidt <carol.eidt@microsoft.com>
Date: Tue, 5 Mar 2019 17:32:13 -0800
Subject: Correctly type SIMD stack values

When `impSIMDPopStack` pops a struct value, it needs to retype the `OBJ` if it exists and doesn't match.

Fix #22850
---
 .../JitBlue/GitHub_22850/GitHub_22850.cs           | 43 ++++++++++++++++++++++
 .../JitBlue/GitHub_22850/GitHub_22850.csproj       | 34 +++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.cs
 create mode 100644 tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.csproj

(limited to 'tests')

diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.cs b/tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.cs
new file mode 100644
index 0000000000..664d1c1943
--- /dev/null
+++ b/tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.cs
@@ -0,0 +1,43 @@
+// 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;
+using System.Runtime.Intrinsics;
+using System.Runtime.Intrinsics.X86;
+
+public static class GitHub_22850
+{
+    static int Main(string[] args)
+    {
+        return test128((byte)90) ? 100 : -1;
+    }
+
+    static unsafe bool test128(int i)
+    {
+        Vector128<int> v = Vector128.Create(i);
+        return MyEquals(ref v, Vector128.Create(i));
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    public static bool MyEquals(ref Vector128<int> left, Vector128<int> right)
+    {
+        if (Sse2.IsSupported)
+        {
+            Vector128<byte> result = MyCompareEqual(left.AsByte(), right.AsByte());
+            return Sse2.MoveMask(result) == 0b1111_1111_1111_1111; // We have one bit per element
+        }
+
+        return true;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    public static Vector128<byte> MyCompareEqual(this Vector128<byte> left, Vector128<byte> right)
+    {
+        return Sse2.CompareEqual(left, right);
+    }
+}
+
+
diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.csproj b/tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.csproj
new file mode 100644
index 0000000000..5b28be0c3a
--- /dev/null
+++ b/tests/src/JIT/Regression/JitBlue/GitHub_22850/GitHub_22850.csproj
@@ -0,0 +1,34 @@
+<?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>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{2649FAFE-07BF-4F93-8120-BA9A69285ABB}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "></PropertyGroup>
+  <PropertyGroup>
+    <DebugType>None</DebugType>
+    <Optimize>False</Optimize>
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildProjectName).cs" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>
-- 
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