Add ILOpCode back to Roslyn

src/Compilers/Core/Portable/CodeAnalysis.csproj

@@ -85,6 +85,7 @@
     <Compile Include="Syntax\SyntaxTreeComparer.cs" />
     <Compile Include="Syntax\ICompilationUnitSyntax.cs" />
     <Compile Include="Syntax\ISkippedTokensTriviaSyntax.cs" />
+    <Compile Include="System\Reflection\Metadata\ILOpCode.cs" />
     <Compile Include="Text\LargeTextWriter.cs" />
     <Compile Include="Text\SourceTextComparer.cs" />
     <Compile Include="Text\SourceTextWriter.cs" />

src/Compilers/Core/Portable/System/Reflection/Metadata/ILOpCode.cs

+// 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.
+
+#if SRM
+namespace System.Reflection.Metadata
+#else
+namespace Microsoft.CodeAnalysis.CodeGen
+#endif
+{
+#if SRM && FUTURE
+    public
+#endif
+    enum ILOpCode : ushort
+    {
+        Nop = 0x00,
+        Break = 0x01,
+        Ldarg_0 = 0x02,
+        Ldarg_1 = 0x03,
+        Ldarg_2 = 0x04,
+        Ldarg_3 = 0x05,
+        Ldloc_0 = 0x06,
+        Ldloc_1 = 0x07,
+        Ldloc_2 = 0x08,
+        Ldloc_3 = 0x09,
+        Stloc_0 = 0x0a,
+        Stloc_1 = 0x0b,
+        Stloc_2 = 0x0c,
+        Stloc_3 = 0x0d,
+        Ldarg_s = 0x0e,
+        Ldarga_s = 0x0f,
+        Starg_s = 0x10,
+        Ldloc_s = 0x11,
+        Ldloca_s = 0x12,
+        Stloc_s = 0x13,
+        Ldnull = 0x14,
+        Ldc_i4_m1 = 0x15,
+        Ldc_i4_0 = 0x16,
+        Ldc_i4_1 = 0x17,
+        Ldc_i4_2 = 0x18,
+        Ldc_i4_3 = 0x19,
+        Ldc_i4_4 = 0x1a,
+        Ldc_i4_5 = 0x1b,
+        Ldc_i4_6 = 0x1c,
+        Ldc_i4_7 = 0x1d,
+        Ldc_i4_8 = 0x1e,
+        Ldc_i4_s = 0x1f,
+        Ldc_i4 = 0x20,
+        Ldc_i8 = 0x21,
+        Ldc_r4 = 0x22,
+        Ldc_r8 = 0x23,
+        Dup = 0x25,
+        Pop = 0x26,
+        Jmp = 0x27,
+        Call = 0x28,
+        Calli = 0x29,
+        Ret = 0x2a,
+        Br_s = 0x2b,
+        Brfalse_s = 0x2c,
+        Brtrue_s = 0x2d,
+        Beq_s = 0x2e,
+        Bge_s = 0x2f,
+        Bgt_s = 0x30,
+        Ble_s = 0x31,
+        Blt_s = 0x32,
+        Bne_un_s = 0x33,
+        Bge_un_s = 0x34,
+        Bgt_un_s = 0x35,
+        Ble_un_s = 0x36,
+        Blt_un_s = 0x37,
+        Br = 0x38,
+        Brfalse = 0x39,
+        Brtrue = 0x3a,
+        Beq = 0x3b,
+        Bge = 0x3c,
+        Bgt = 0x3d,
+        Ble = 0x3e,
+        Blt = 0x3f,
+        Bne_un = 0x40,
+        Bge_un = 0x41,
+        Bgt_un = 0x42,
+        Ble_un = 0x43,
+        Blt_un = 0x44,
+        Switch = 0x45,
+        Ldind_i1 = 0x46,
+        Ldind_u1 = 0x47,
+        Ldind_i2 = 0x48,
+        Ldind_u2 = 0x49,
+        Ldind_i4 = 0x4a,
+        Ldind_u4 = 0x4b,
+        Ldind_i8 = 0x4c,
+        Ldind_i = 0x4d,
+        Ldind_r4 = 0x4e,
+        Ldind_r8 = 0x4f,
+        Ldind_ref = 0x50,
+        Stind_ref = 0x51,
+        Stind_i1 = 0x52,
+        Stind_i2 = 0x53,
+        Stind_i4 = 0x54,
+        Stind_i8 = 0x55,
+        Stind_r4 = 0x56,
+        Stind_r8 = 0x57,
+        Add = 0x58,
+        Sub = 0x59,
+        Mul = 0x5a,
+        Div = 0x5b,
+        Div_un = 0x5c,
+        Rem = 0x5d,
+        Rem_un = 0x5e,
+        And = 0x5f,
+        Or = 0x60,
+        Xor = 0x61,
+        Shl = 0x62,
+        Shr = 0x63,
+        Shr_un = 0x64,
+        Neg = 0x65,
+        Not = 0x66,
+        Conv_i1 = 0x67,
+        Conv_i2 = 0x68,
+        Conv_i4 = 0x69,
+        Conv_i8 = 0x6a,
+        Conv_r4 = 0x6b,
+        Conv_r8 = 0x6c,
+        Conv_u4 = 0x6d,
+        Conv_u8 = 0x6e,
+        Callvirt = 0x6f,
+        Cpobj = 0x70,
+        Ldobj = 0x71,
+        Ldstr = 0x72,
+        Newobj = 0x73,
+        Castclass = 0x74,
+        Isinst = 0x75,
+        Conv_r_un = 0x76,
+        Unbox = 0x79,
+        Throw = 0x7a,
+        Ldfld = 0x7b,
+        Ldflda = 0x7c,
+        Stfld = 0x7d,
+        Ldsfld = 0x7e,
+        Ldsflda = 0x7f,
+        Stsfld = 0x80,
+        Stobj = 0x81,
+        Conv_ovf_i1_un = 0x82,
+        Conv_ovf_i2_un = 0x83,
+        Conv_ovf_i4_un = 0x84,
+        Conv_ovf_i8_un = 0x85,
+        Conv_ovf_u1_un = 0x86,
+        Conv_ovf_u2_un = 0x87,
+        Conv_ovf_u4_un = 0x88,
+        Conv_ovf_u8_un = 0x89,
+        Conv_ovf_i_un = 0x8a,
+        Conv_ovf_u_un = 0x8b,
+        Box = 0x8c,
+        Newarr = 0x8d,
+        Ldlen = 0x8e,
+        Ldelema = 0x8f,
+        Ldelem_i1 = 0x90,
+        Ldelem_u1 = 0x91,
+        Ldelem_i2 = 0x92,
+        Ldelem_u2 = 0x93,
+        Ldelem_i4 = 0x94,
+        Ldelem_u4 = 0x95,
+        Ldelem_i8 = 0x96,
+        Ldelem_i = 0x97,
+        Ldelem_r4 = 0x98,
+        Ldelem_r8 = 0x99,
+        Ldelem_ref = 0x9a,
+        Stelem_i = 0x9b,
+        Stelem_i1 = 0x9c,
+        Stelem_i2 = 0x9d,
+        Stelem_i4 = 0x9e,
+        Stelem_i8 = 0x9f,
+        Stelem_r4 = 0xa0,
+        Stelem_r8 = 0xa1,
+        Stelem_ref = 0xa2,
+        Ldelem = 0xa3,
+        Stelem = 0xa4,
+        Unbox_any = 0xa5,
+        Conv_ovf_i1 = 0xb3,
+        Conv_ovf_u1 = 0xb4,
+        Conv_ovf_i2 = 0xb5,
+        Conv_ovf_u2 = 0xb6,
+        Conv_ovf_i4 = 0xb7,
+        Conv_ovf_u4 = 0xb8,
+        Conv_ovf_i8 = 0xb9,
+        Conv_ovf_u8 = 0xba,
+        Refanyval = 0xc2,
+        Ckfinite = 0xc3,
+        Mkrefany = 0xc6,
+        Ldtoken = 0xd0,
+        Conv_u2 = 0xd1,
+        Conv_u1 = 0xd2,
+        Conv_i = 0xd3,
+        Conv_ovf_i = 0xd4,
+        Conv_ovf_u = 0xd5,
+        Add_ovf = 0xd6,
+        Add_ovf_un = 0xd7,
+        Mul_ovf = 0xd8,
+        Mul_ovf_un = 0xd9,
+        Sub_ovf = 0xda,
+        Sub_ovf_un = 0xdb,
+        Endfinally = 0xdc,
+        Leave = 0xdd,
+        Leave_s = 0xde,
+        Stind_i = 0xdf,
+        Conv_u = 0xe0,
+        Arglist = 0xfe00,
+        Ceq = 0xfe01,
+        Cgt = 0xfe02,
+        Cgt_un = 0xfe03,
+        Clt = 0xfe04,
+        Clt_un = 0xfe05,
+        Ldftn = 0xfe06,
+        Ldvirtftn = 0xfe07,
+        Ldarg = 0xfe09,
+        Ldarga = 0xfe0a,
+        Starg = 0xfe0b,
+        Ldloc = 0xfe0c,
+        Ldloca = 0xfe0d,
+        Stloc = 0xfe0e,
+        Localloc = 0xfe0f,
+        Endfilter = 0xfe11,
+        Unaligned = 0xfe12,
+        Volatile = 0xfe13,
+        Tail = 0xfe14,
+        Initobj = 0xfe15,
+        Constrained = 0xfe16,
+        Cpblk = 0xfe17,
+        Initblk = 0xfe18,
+        Rethrow = 0xfe1a,
+        Sizeof = 0xfe1c,
+        Refanytype = 0xfe1d,
+        Readonly = 0xfe1e,
+    }
+}