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arm64: Add tests for add(s), and(s), sub(s), cmp, cmn, eor, neg & orr (#111796)
* arm64: Add tests for add(s), and(s), sub(s), cmp, cmn, eor, neg & orr * Add swap tests with operands in opposite order
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‎src/tests/JIT/opt/InstructionCombining/Add.cs‎

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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using System;
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using System.Runtime.CompilerServices;
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using Xunit;
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namespace TestAdd
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{
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public class Program
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{
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[MethodImpl(MethodImplOptions.NoInlining)]
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[Fact]
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public static int CheckAdd()
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{
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bool fail = false;
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if (Add(1, 2) != 3)
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{
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fail = true;
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}
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if (AddLSL(5, 5) != 85)
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{
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fail = true;
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}
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if (AddLSLSwap(5, 5) != 85)
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{
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fail = true;
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}
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if (AddLSR(1, 0x20000000) != 2)
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{
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fail = true;
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}
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if (AddASR(-2, 0x4000) != -1)
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{
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fail = true;
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}
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if (AddLargeShift(0x100000, 1) != 0x900000)
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{
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fail = true;
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}
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if (AddLargeShift64Bit(0xAB, 0x19a0000000000) != 0x178)
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{
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fail = true;
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}
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if (Adds(-5, 5) != 1)
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{
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fail = true;
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}
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if (AddsLSL(-0x78000, 0xF) != 1)
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{
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fail = true;
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}
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if (AddsLSLSwap(-0x78000, 0xF) != 1)
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{
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fail = true;
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}
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if (AddsLSR(0, 0x3c0) != 1)
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{
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fail = true;
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}
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if (AddsASR(-1, 0x800) != 1)
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{
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fail = true;
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}
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if (AddsLargeShift(-0xFF, 0x1fe0) != 1)
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{
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fail = true;
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}
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if (AddsLargeShift64Bit(-0x40000000000, 1) != 1)
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{
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fail = true;
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}
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if (fail)
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{
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return 101;
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}
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return 100;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int Add(int a, int b)
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{
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//ARM64-FULL-LINE: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
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return a + b;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddLSL(int a, int b)
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{
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//ARM64-FULL-LINE: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSL #4
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return a + (b<<4);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddLSLSwap(int a, int b)
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{
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//ARM64-FULL-LINE: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSL #4
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return (b<<4) + a;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static uint AddLSR(uint a, uint b)
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{
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//ARM64-FULL-LINE: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSR #29
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return a + (b>>29);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddASR(int a, int b)
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{
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//ARM64-FULL-LINE: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, ASR #14
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return a + (b>>14);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddLargeShift(int a, int b)
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{
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//ARM64-FULL-LINE: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSL #23
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return a + (b<<183);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static long AddLargeShift64Bit(long a, long b)
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{
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//ARM64-FULL-LINE: add {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, ASR #41
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return a + (b>>169);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int Adds(int a, int b)
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{
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//ARM64-FULL-LINE: adds {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
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if (a + b == 0) {
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return 1;
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}
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return -1;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddsLSL(int a, int b)
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{
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//ARM64-FULL-LINE: adds {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSL #15
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if (a + (b<<15) == 0) {
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return 1;
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}
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return -1;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddsLSLSwap(int a, int b)
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{
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//ARM64-FULL-LINE: adds {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSL #15
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if ((b<<15) + a == 0) {
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return 1;
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}
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return -1;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddsLSR(uint a, uint b)
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{
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//ARM64-FULL-LINE: adds {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, LSR #6
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if (a + (b>>6) != 0) {
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return 1;
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}
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return -1;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddsASR(int a, int b)
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{
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//ARM64-FULL-LINE: adds {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, ASR #11
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if (a + (b>>11) == 0) {
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return 1;
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}
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return -1;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static int AddsLargeShift(int a, int b)
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{
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//ARM64-FULL-LINE: adds {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, ASR #5
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if (a + (b>>133) == 0) {
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return 1;
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}
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return -1;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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static long AddsLargeShift64Bit(long a, long b)
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{
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//ARM64-FULL-LINE: adds {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, LSL #42
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if (a + (b<<106) == 0) {
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return 1;
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}
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return -1;
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}
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}
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}

‎src/tests/JIT/opt/InstructionCombining/Add.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<!-- Needed for CLRTestEnvironmentVariable -->
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<RequiresProcessIsolation>true</RequiresProcessIsolation>
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</PropertyGroup>
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<PropertyGroup>
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<DebugType>None</DebugType>
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<Optimize>True</Optimize>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="Add.cs">
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<HasDisasmCheck>true</HasDisasmCheck>
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</Compile>
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<CLRTestEnvironmentVariable Include="DOTNET_TieredCompilation" Value="0" />
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<CLRTestEnvironmentVariable Include="DOTNET_JITMinOpts" Value="0" />
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</ItemGroup>
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</Project>

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