Add missing files.

ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue1454.cs

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+using System.Collections;
+
+namespace ICSharpCode.Decompiler.Tests.TestCases.ILPretty
+{
+	public class Issue1454
+	{
+		public static int GetCardinality(BitArray bitArray)
+		{
+			int[] array = new int[(bitArray.Count >> 5) + 1];
+			bitArray.CopyTo(array, 0);
+			int num = 0;
+			array[array.Length - 1] &= ~(-1 << bitArray.Count % 32);
+			for (int i = 0; i < array.Length; i++) {
+				int num2 = array[i];
+				num2 -= ((num2 >> 1) & 0x55555555);
+				num2 = (num2 & 0x33333333) + ((num2 >> 2) & 0x33333333);
+				num2 = ((num2 + (num2 >> 4)) & 0xF0F0F0F) * 16843009 >> 24;
+				num += num2;
+			}
+			return num;
+		}
+	}
+}

ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue1454.il

@@ -0,0 +1,125 @@
+.assembly extern mscorlib
+{
+  .publickeytoken = (B7 7A 5C 56 19 34 E0 89 )
+  .ver 4:0:0:0
+}
+.assembly Issue1454
+{
+  .hash algorithm 0x00008004
+  .ver 1:0:4059:39717
+}
+.module Issue1454.dll
+.imagebase 0x00400000
+.file alignment 0x00000200
+.stackreserve 0x00100000
+.subsystem 0x0003       // WINDOWS_CUI
+.corflags 0x00000003    //  ILONLY 32BITREQUIRED
+
+.class public auto ansi beforefieldinit ICSharpCode.Decompiler.Tests.TestCases.ILPretty.Issue1454 extends [mscorlib]System.Object
+{
+
+.method public hidebysig static 
+	int32 GetCardinality (
+		class [mscorlib]System.Collections.BitArray bitArray
+	) cil managed 
+{
+	.maxstack 5
+	.locals init (
+		[0] int32[],
+		[1] int32,
+		[2] int32,
+		[3] int32
+	)
+
+	IL_0000: ldarg.0
+	IL_0001: callvirt instance int32 [mscorlib]System.Collections.BitArray::get_Count()
+	IL_0006: ldc.i4.5
+	IL_0007: shr
+	IL_0008: ldc.i4.1
+	IL_0009: add
+	IL_000a: newarr [mscorlib]System.Int32
+	IL_000f: stloc.0
+	IL_0010: ldarg.0
+	IL_0011: ldloc.0
+	IL_0012: ldc.i4.0
+	IL_0013: callvirt instance void [mscorlib]System.Collections.BitArray::CopyTo(class [mscorlib]System.Array, int32)
+	IL_0018: ldc.i4.0
+	IL_0019: stloc.1
+	IL_001a: ldloc.0
+	IL_001b: ldloc.0
+	IL_001c: ldlen
+	IL_001d: conv.i4
+	IL_001e: ldc.i4.1
+	IL_001f: sub
+	IL_0020: ldelema [mscorlib]System.Int32
+	IL_0025: dup
+	IL_0026: ldind.i4
+	IL_0027: ldc.i4.m1
+	IL_0028: ldarg.0
+	IL_0029: callvirt instance int32 [mscorlib]System.Collections.BitArray::get_Count()
+	IL_002e: ldc.i4.s 32
+	IL_0030: rem
+	IL_0031: ldc.i4.s 31
+	IL_0033: and
+	IL_0034: shl
+	IL_0035: not
+	IL_0036: and
+	IL_0037: stind.i4
+	IL_0038: ldc.i4.0
+	IL_0039: stloc.2
+	IL_003a: br.s IL_007b
+	// loop start (head: IL_007b)
+		IL_003c: ldloc.0
+		IL_003d: ldloc.2
+		IL_003e: ldelem.i4
+		IL_003f: stloc.3
+		IL_0040: ldloc.3
+		IL_0041: ldloc.3
+		IL_0042: ldc.i4.1
+		IL_0043: shr
+		IL_0044: ldc.i4 1431655765
+		IL_0049: and
+		IL_004a: sub
+		IL_004b: stloc.3
+		IL_004c: ldloc.3
+		IL_004d: ldc.i4 858993459
+		IL_0052: and
+		IL_0053: ldloc.3
+		IL_0054: ldc.i4.2
+		IL_0055: shr
+		IL_0056: ldc.i4 858993459
+		IL_005b: and
+		IL_005c: add
+		IL_005d: stloc.3
+		IL_005e: ldloc.3
+		IL_005f: ldloc.3
+		IL_0060: ldc.i4.4
+		IL_0061: shr
+		IL_0062: add
+		IL_0063: ldc.i4 252645135
+		IL_0068: and
+		IL_0069: ldc.i4 16843009
+		IL_006e: mul
+		IL_006f: ldc.i4.s 24
+		IL_0071: shr
+		IL_0072: stloc.3
+		IL_0073: ldloc.1
+		IL_0074: ldloc.3
+		IL_0075: add
+		IL_0076: stloc.1
+		IL_0077: ldloc.2
+		IL_0078: ldc.i4.1
+		IL_0079: add
+		IL_007a: stloc.2
+
+		IL_007b: ldloc.2
+		IL_007c: ldloc.0
+		IL_007d: ldlen
+		IL_007e: conv.i4
+		IL_007f: blt.s IL_003c
+	// end loop
+
+	IL_0081: ldloc.1
+	IL_0082: ret
+}
+}