From 34569bd74ec2df228a054e9f1c9fb6fb53b9fe17 Mon Sep 17 00:00:00 2001
From: Fei Peng <fei.peng@intel.com>
Date: Thu, 10 Jan 2019 15:36:37 -0800
Subject: Don't optimize BMI2 MultiplyNoFlags away

---
 .../X86/Regression/GitHub_21899/GitHub_21899.cs    | 70 ++++++++++++++++++++++
 .../Regression/GitHub_21899/GitHub_21899_r.csproj  | 34 +++++++++++
 .../Regression/GitHub_21899/GitHub_21899_ro.csproj | 34 +++++++++++
 3 files changed, 138 insertions(+)
 create mode 100644 tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899.cs
 create mode 100644 tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_r.csproj
 create mode 100644 tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_ro.csproj

(limited to 'tests')

diff --git a/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899.cs b/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899.cs
new file mode 100644
index 0000000000..31a51015f6
--- /dev/null
+++ b/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899.cs
@@ -0,0 +1,70 @@
+using System;
+using System.Runtime.Intrinsics.X86;
+using System.Runtime.Intrinsics;
+using System.Runtime.CompilerServices;
+
+namespace GitHub_21899
+{
+    class GitHub_21899
+    {
+
+        static int Main(string[] args)
+        {
+            bool pass = true;
+            pass = test1() && test2() && test3() && test4();
+            return pass ? 100 : 0;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        static unsafe ulong MultiplyNoFlags1(ulong a, ulong b)
+        {
+            ulong r;
+            Bmi2.X64.MultiplyNoFlags(a, b, &r);
+            return r;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        static unsafe ulong MultiplyNoFlags2(ulong a, ulong b)
+        {
+            ulong r;
+            r = Bmi2.X64.MultiplyNoFlags(a, b, &r);
+            return r;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        static unsafe uint MultiplyNoFlags3(uint a, uint b)
+        {
+            uint r;
+            Bmi2.MultiplyNoFlags(a, b, &r);
+            return r;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        static unsafe uint MultiplyNoFlags4(uint a, uint b)
+        {
+            uint r;
+            r = Bmi2.MultiplyNoFlags(a, b, &r);
+            return r;
+        }
+
+        static bool test1()
+        {
+            return !Bmi2.X64.IsSupported || (MultiplyNoFlags1(1111111111111UL, 1111111111111UL) == 1107357235536201905UL);
+        }
+
+        static bool test2()
+        {
+            return !Bmi2.X64.IsSupported || (MultiplyNoFlags2(1111111111111UL, 1111111111111UL) == 66926UL);
+        }
+
+        static bool test3()
+        {
+            return !Bmi2.IsSupported || (MultiplyNoFlags3(1111111U, 1111111U) == 1912040369U);
+        }
+
+        static bool test4()
+        {
+            return !Bmi2.IsSupported || (MultiplyNoFlags4(1111111U, 1111111U) == 287U);
+        }
+    }
+}
diff --git a/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_r.csproj b/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_r.csproj
new file mode 100644
index 0000000000..c4589de648
--- /dev/null
+++ b/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_r.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>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' " />
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <PropertyGroup>
+    <DebugType>Embedded</DebugType>
+    <Optimize></Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="GitHub_21899.cs" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>
diff --git a/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_ro.csproj b/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_ro.csproj
new file mode 100644
index 0000000000..05e730657a
--- /dev/null
+++ b/tests/src/JIT/HardwareIntrinsics/X86/Regression/GitHub_21899/GitHub_21899_ro.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>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' " />
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <PropertyGroup>
+    <DebugType>Embedded</DebugType>
+    <Optimize>True</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="GitHub_21899.cs" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>
-- 
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