Import the first batch of IL tests.

This set of tests is comprised of IL tests that:
- only reference APIs in .Net Core's System.Runtime,
  System.Runtime.Extensions, and System.Threading contracts
- compile to a single executable,
- and expect no command line arguments at runtime.

1 files changed, 154 insertions, 0 deletions

diff --git a/tests/src/JIT/Methodical/ELEMENT_TYPE_IU/i_flow.il b/tests/src/JIT/Methodical/ELEMENT_TYPE_IU/i_flow.il
new file mode 100644
index 0000000000..3d94dde068
--- /dev/null
+++ b/tests/src/JIT/Methodical/ELEMENT_TYPE_IU/i_flow.il
@@ -0,0 +1,154 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+
+
+
+
+
+
+.assembly extern mscorlib
+{
+}
+.assembly 'qsort'// as "qsort"
+{
+}
+.module 'qsort.exe'
+// MVID: {3433C0F8-3BEA-4168-AB0C-C275EF054928}
+.namespace Test
+{
+  .class private auto ansi AA extends [mscorlib]System.Object
+  {
+	.field public native int m_i
+	.field public native int[0...] m_ai
+
+    .method private hidebysig static int32 Main() il managed
+    {
+		.entrypoint
+		// Code size       134 (0x86)
+		.maxstack  8
+		.locals (class Test.AA, native int i, native int& p1, native int& p2)
+		newobj instance void Test.AA::.ctor()
+		stloc.0
+		
+		ldloc.0
+		ldc.i4 0x80000000
+		stfld native int Test.AA::m_i
+
+		ldloc.0
+		ldfld native int Test.AA::m_i
+		ldc.i4 0x7fffffff
+		bgt fail
+
+		ldloc.0
+		ldfld native int Test.AA::m_i
+		ldc.i4 0x80000001
+		bgt fail
+
+		ldloc.0
+		ldfld native int Test.AA::m_i
+		ldc.i4 0x80000001
+		conv.i
+		bgt.un fail
+
+		ldc.i4.0
+		stloc i
+
+	again:
+		ldloc i
+		switch (a1,a2,a3,a4,a5,a6,stop)
+	a1:
+		ldloca i
+		br merge_1
+	a2:
+		ldloca i
+	merge_2:
+		ldloc.0
+		ldfld native int[0...] Test.AA::m_ai
+		ldc.i4.1
+		ldelema [mscorlib]System.IntPtr
+		br final_merge
+	a3:
+		ldloc.0
+		ldflda native int Test.AA::m_i
+	merge_3:
+		ldloca i
+		br final_merge
+	a4:
+		ldloc.0
+		ldflda native int Test.AA::m_i
+		br merge_2
+	a5:
+		ldloc.0
+		ldfld native int[0...] Test.AA::m_ai
+		ldc.i4.1
+		ldelema [mscorlib]System.IntPtr
+		br merge_3
+	a6:
+		ldloc.0
+		ldfld native int[0...] Test.AA::m_ai
+		ldc.i4.1
+		ldelema [mscorlib]System.IntPtr
+	merge_1:
+		ldloc.0
+		ldflda native int Test.AA::m_i
+	final_merge:
+		stloc p1
+		stloc p2
+		ldloc p1
+		ldloc p2
+		beq fail
+		
+		ldloc p1
+		ldind.i
+		dup
+		ldloc p2
+		ldind.i
+		add
+		sub
+		ldloc p2
+		ldind.i
+		ceq
+		brfalse fail
+
+		ldloca i
+		ldloc i
+		ldc.i4.1
+		add.ovf.un
+		stind.i
+
+	stop:
+		ldc.i4 0x64
+		ldstr "passed"
+		br exit
+
+	fail:
+		ldc.i4.1
+		ldstr "failed"
+	exit:
+		call void [mscorlib]System.Console::WriteLine(class [mscorlib]System.String)
+		ret
+    } // end of method 'AA::Main'
+
+    .method public hidebysig specialname rtspecialname 
+            instance void .ctor() il managed
+    {
+      // Code size       7 (0x7)
+      .maxstack  8
+      ldarg.0
+      call       instance void [mscorlib]System.Object::.ctor()
+      ldarg.0
+      ldc.i4.0
+      stfld		native int Test.AA::m_i
+      ldarg.0
+      ldc.i4.8
+      newobj   instance void native int[0...]::.ctor(int32)
+      stfld		native int[0...] Test.AA::m_ai
+      ret
+    } // end of method 'AA::.ctor'
+
+  } // end of class 'AA'
+
+} // end of namespace 'Test'
+
+//*********** DISASSEMBLY COMPLETE ***********************