1 files changed, 86 insertions, 0 deletions
diff --git a/tests/src/JIT/CodeGenBringUpTests/Shift.cs b/tests/src/JIT/CodeGenBringUpTests/Shift.cs
new file mode 100644
index 0000000000..085ad3f31f
--- /dev/null
+++ b/tests/src/JIT/CodeGenBringUpTests/Shift.cs
@@ -0,0 +1,86 @@
+// 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;
+
+public class Test
+{
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static ulong shl64(ulong shift, int count)
+    {
+        return shift << count;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static ulong shl64_32_inplace(ulong shift, ulong addit)
+    {
+        ulong x = shift + addit;
+        x = x << 32;
+        return x;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static ulong shl64_33_inplace(ulong shift, ulong addit)
+    {
+        ulong x = shift + addit;
+        x = x << 33;
+        return x;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static ulong shr64(ulong shift, int count)
+    {
+        return shift >> count;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static ulong shr64_32_inplace(ulong shift, ulong addit)
+    {
+        ulong x = shift + addit;
+        x = x >> 32;
+        return x;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static ulong shr1_32_add(ulong shift, ulong addit)
+    {
+        ulong x = (addit + (shift >> 1)) >> 31;
+        return x;
+    }
+
+    public static int Main()
+    {
+        const int Pass = 100;
+        const int Fail = -1;
+
+        if (shl64_32_inplace(0x123456789abcdef, 0) != shl64(0x123456789abcdef, 32))
+        {
+            Console.WriteLine("shl64_32");
+            return Fail;
+        }
+
+        if (shl64_33_inplace(0x123456789abcdef, 0) != shl64(0x123456789abcdef, 33))
+        {
+            Console.WriteLine("shl64_33");
+            return Fail;
+        }
+
+        if (shr64_32_inplace(0x123456789abcdef, 0) != shr64(0x123456789abcdef, 32))
+        {
+            Console.WriteLine("shr64_32 {0:X} {1:X}", shr64_32_inplace(0x123456789abcdef, 0), shr64(0x123456789abcdef, 32));
+            return Fail;
+        }
+
+        if (shr1_32_add(0x123456789abcdef, 0) != shr64(0x123456789abcdef, 32))
+        {
+            Console.WriteLine("HAHAHAHAHAHAHA {0:X}", shr1_32_add(0x123456789abcdef, 0));
+            return Fail;
+        }
+
+        return Pass;
+    }
+}