Merge pull request #3864 from mikedn/mdarray-init

Add support for multi-dimensional array initialization

3 files changed, 685 insertions, 0 deletions

diff --git a/tests/src/JIT/Methodical/Arrays/misc/_il_dbginitializearray.ilproj b/tests/src/JIT/Methodical/Arrays/misc/_il_dbginitializearray.ilproj
new file mode 100644
index 0000000000..466865d22a
--- /dev/null
+++ b/tests/src/JIT/Methodical/Arrays/misc/_il_dbginitializearray.ilproj
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <AssemblyName>$(MSBuildProjectName)</AssemblyName>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+    <DebugType>Full</DebugType>
+    <Optimize>false</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="initializearray.il" />
+    <None Include="app.config" />
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+</Project>
\ No newline at end of file
diff --git a/tests/src/JIT/Methodical/Arrays/misc/_il_relinitializearray.ilproj b/tests/src/JIT/Methodical/Arrays/misc/_il_relinitializearray.ilproj
new file mode 100644
index 0000000000..689b3e00fd
--- /dev/null
+++ b/tests/src/JIT/Methodical/Arrays/misc/_il_relinitializearray.ilproj
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <AssemblyName>$(MSBuildProjectName)</AssemblyName>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+    <Optimize>true</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="initializearray.il" />
+    <None Include="app.config" />
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+</Project>
\ No newline at end of file
diff --git a/tests/src/JIT/Methodical/Arrays/misc/initializearray.il b/tests/src/JIT/Methodical/Arrays/misc/initializearray.il
new file mode 100644
index 0000000000..256c2bece9
--- /dev/null
+++ b/tests/src/JIT/Methodical/Arrays/misc/initializearray.il
@@ -0,0 +1,640 @@
+// 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
+{
+  .publickeytoken = (B7 7A 5C 56 19 34 E0 89)
+  .ver 4:0:0:0
+}
+.assembly initializearray
+{
+  .hash algorithm 0x00008004
+  .ver 0:0:0:0
+}
+.module initializearray.exe
+.imagebase 0x00400000
+.file alignment 0x00000200
+.stackreserve 0x00100000
+.subsystem 0x0003       // WINDOWS_CUI
+.corflags 0x00000001    // ILONLY
+
+.class private auto ansi beforefieldinit InitializeArray extends [mscorlib]System.Object
+{
+  .method private hidebysig static int32 Main() cil managed
+  {
+    .entrypoint
+    .maxstack 8
+
+    call bool InitializeArray::SZArray_Int64_5_ValidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::SZArray_Int64_6_InvalidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Int16_10_ValidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Int16_0_10_ValidInitializationTest()
+    brfalse.s fail
+
+    call bool InitializeArray::MDArray_Int16_11_InvalidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Int8_8x10_ValidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Int8_10x10_InvalidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Float32_4x5_ValidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Float32_5x5_InvalidInitializationTest()
+    brfalse.s fail
+    
+    call bool InitializeArray::MDArray_Int8_2_4x3_5_ValidInitializationTest()
+    brfalse.s fail
+
+    call bool InitializeArray::MDArray_Int8_2_5x3_5_InvalidInitializationTest()
+    brfalse.s fail
+
+    ldc.i4.s 100
+    ret
+    
+  fail:
+    ldc.i4.s 0
+    ret
+  }
+
+  .method private hidebysig static bool SZArray_Int64_5_ValidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    call int64[] InitializeArray::SZArray_Initialize_Int64_5()
+    call int64[] InitializeArray::SZArray_Initialize_Int64_5_Optimized()
+    call bool InitializeArray::ArrayEquals(class [mscorlib]System.Array, class [mscorlib]System.Array)
+    ret
+  }
+  
+  .method private hidebysig static int64[] SZArray_Initialize_Int64_5() cil managed noinlining nooptimization
+  {
+    .maxstack 8
+    ldc.i4 5
+    newarr int64
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize40' 'ArrayInitializers'::'InitializerField40'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static int64[] SZArray_Initialize_Int64_5_Optimized() cil managed noinlining
+  {
+    .maxstack 8
+    ldc.i4 5
+    newarr int64
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize40' 'ArrayInitializers'::'InitializerField40'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static bool SZArray_Int64_6_InvalidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    .locals init (int32 exitCode)
+    .try
+    {
+      ldc.i4 11
+      newarr int64
+      dup
+      ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+      call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+      pop
+      ldc.i4 0
+      stloc.0
+      leave exit
+    }
+    catch [mscorlib]System.ArgumentException
+    {
+      pop
+      ldc.i4 1
+      stloc.0
+      leave exit
+    }
+    
+  exit:
+    ldloc.0
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Int16_10_ValidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    call int16[0...] InitializeArray::MDArray_Initialize_Int16_10()
+    call int16[0...] InitializeArray::MDArray_Initialize_Int16_10_Optimized()
+    call bool InitializeArray::ArrayEquals(class [mscorlib]System.Array, class [mscorlib]System.Array)
+    ret
+  }
+  
+  .method private hidebysig static int16[0...] MDArray_Initialize_Int16_10() cil managed noinlining nooptimization
+  {
+    .maxstack 8
+    ldc.i4 10
+    newobj instance void int16[0...]::.ctor(int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static int16[0...] MDArray_Initialize_Int16_10_Optimized() cil managed noinlining
+  {
+    .maxstack 8
+    ldc.i4 10
+    newobj instance void int16[0...]::.ctor(int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Int16_11_InvalidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    .locals init (int32 exitCode)
+    .try
+    {
+      ldc.i4 11
+      newobj instance void int16[0...]::.ctor(int32)
+      dup
+      ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+      call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+      pop
+      ldc.i4 0
+      stloc.0
+      leave exit
+    }
+    catch [mscorlib]System.ArgumentException
+    {
+      pop
+      ldc.i4 1
+      stloc.0
+      leave exit
+    }
+    
+  exit:
+    ldloc.0
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Int16_0_10_ValidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    call int16[...] InitializeArray::MDArray_Initialize_Int16_0_10()
+    call int16[...] InitializeArray::MDArray_Initialize_Int16_0_10_Optimized()
+    call bool InitializeArray::ArrayEquals(class [mscorlib]System.Array, class [mscorlib]System.Array)
+    ret
+  }
+  
+  .method private hidebysig static int16[...] MDArray_Initialize_Int16_0_10() cil managed noinlining nooptimization
+  {
+    .maxstack 8
+    ldc.i4 0
+    ldc.i4 10
+    newobj instance void int16[...]::.ctor(int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static int16[...] MDArray_Initialize_Int16_0_10_Optimized() cil managed noinlining
+  {
+    .maxstack 8
+    ldc.i4 0
+    ldc.i4 10
+    newobj instance void int16[...]::.ctor(int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+
+  .method private hidebysig static bool MDArray_Int8_8x10_ValidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    call int8[0..., 0...] InitializeArray::MDArray_Initialize_Int8_8x10()
+    call int8[0..., 0...] InitializeArray::MDArray_Initialize_Int8_8x10_Optimized()
+    call bool InitializeArray::ArrayEquals(class [mscorlib]System.Array, class [mscorlib]System.Array)
+    ret
+  }
+  
+  .method private hidebysig static int8[0..., 0...] MDArray_Initialize_Int8_8x10() cil managed noinlining nooptimization
+  {
+    .maxstack 8
+    ldc.i4 8
+    ldc.i4 10
+    newobj instance void int8 [0..., 0...]::.ctor(int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'ArrayInitializers'::'InitializerField80'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static int8[0..., 0...] MDArray_Initialize_Int8_8x10_Optimized() cil managed noinlining
+  {
+    .maxstack 8
+    ldc.i4 8
+    ldc.i4 10
+    newobj instance void int8[0..., 0...]::.ctor(int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'ArrayInitializers'::'InitializerField80'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Int8_10x10_InvalidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    .locals init (int32 exitCode)
+    .try
+    {
+      ldc.i4 10
+      ldc.i4 10
+      newobj instance void int8[0..., 0...]::.ctor(int32, int32)
+      dup
+      ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'ArrayInitializers'::'InitializerField80'
+      call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+      pop
+      ldc.i4 0
+      stloc.0
+      leave exit
+    }
+    catch [mscorlib]System.ArgumentException
+    {
+      pop
+      ldc.i4 1
+      stloc.0
+      leave exit
+    }
+    
+  exit:
+    ldloc.0
+    ret
+  }
+  
+  .method private hidebysig static bool MDArray_Float32_4x5_ValidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    call float32[0..., 0...] InitializeArray::MDArray_Initialize_Float32_4x5()
+    call float32[0..., 0...] InitializeArray::MDArray_Initialize_Float32_4x5_Optimized()
+    call bool InitializeArray::ArrayEquals(class [mscorlib]System.Array, class [mscorlib]System.Array)
+    ret
+  }
+  
+  .method private hidebysig static float32[0..., 0...] MDArray_Initialize_Float32_4x5_Optimized() cil managed noinlining
+  {
+    .maxstack 8
+    ldc.i4.4
+    ldc.i4.5
+    newobj instance void float32[0..., 0...]::.ctor(int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'ArrayInitializers'::'InitializerField80'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static float32[0..., 0...] MDArray_Initialize_Float32_4x5() cil managed noinlining nooptimization
+  {
+    .maxstack 8
+    ldc.i4 4
+    ldc.i4 5
+    newobj instance void float32[0..., 0...]::.ctor(int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'ArrayInitializers'::'InitializerField80'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Float32_5x5_InvalidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    .locals init (int32 exitCode)
+    .try
+    {
+      ldc.i4 5
+      ldc.i4 5
+      newobj instance void float32[0..., 0...]::.ctor(int32, int32)
+      dup
+      ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'ArrayInitializers'::'InitializerField80'
+      call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+      pop
+      ldc.i4 0
+      stloc.0
+      leave exit
+    }
+    catch [mscorlib]System.ArgumentException
+    {
+      pop
+      ldc.i4 1
+      stloc.0
+      leave exit
+    }
+    
+  exit:
+    ldloc.0
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Int8_2_4x3_5_ValidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    call int8[..., ...] InitializeArray::MDArray_Initialize_Int8_2_4x3_5()
+    call int8[..., ...] InitializeArray::MDArray_Initialize_Int8_2_4x3_5_Optimized()
+    call bool InitializeArray::ArrayEquals(class [mscorlib]System.Array, class [mscorlib]System.Array)
+    ret
+  }
+  
+  .method private hidebysig static int8[..., ...] MDArray_Initialize_Int8_2_4x3_5() cil managed noinlining nooptimization
+  {
+    .maxstack 8
+    ldc.i4.2
+    ldc.i4.4
+    ldc.i4.3
+    ldc.i4.5
+    newobj instance void int8 [..., ...]::.ctor(int32, int32, int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static int8[..., ...] MDArray_Initialize_Int8_2_4x3_5_Optimized() cil managed noinlining
+  {
+    .maxstack 8
+    ldc.i4.2
+    ldc.i4.4
+    ldc.i4.3
+    ldc.i4.5
+    newobj instance void int8[..., ...]::.ctor(int32, int32, int32, int32)
+    dup
+    ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+    call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+    ret
+  }
+
+  .method private hidebysig static bool MDArray_Int8_2_5x3_5_InvalidInitializationTest() cil managed noinlining
+  {
+    .maxstack 8
+    .locals init (int32 exitCode)
+    .try
+    {
+      ldc.i4.2
+      ldc.i4.5
+      ldc.i4.3
+      ldc.i4.5
+      newobj instance void int8[..., ...]::.ctor(int32, int32, int32, int32)
+      dup
+      ldtoken field valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'ArrayInitializers'::'InitializerField20'
+      call void[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(class [mscorlib]System.Array, valuetype[mscorlib] System.RuntimeFieldHandle)
+      pop
+      ldc.i4 0
+      stloc.0
+      leave exit
+    }
+    catch [mscorlib]System.ArgumentException
+    {
+      pop
+      ldc.i4 1
+      stloc.0
+      leave exit
+    }
+    
+  exit:
+    ldloc.0
+    ret
+  }
+
+//
+// ArrayEquals was generated from the following C# code:
+//
+//static bool ArrayEquals(Array x, Array y)
+//{
+//    if (x.Rank != y.Rank)
+//        return false;
+
+//    var lower = new int[x.Rank];
+//    var indices = new int[x.Rank];
+//    var upper = new int[x.Rank];
+
+//    for (int i = 0; i < indices.Length; i++)
+//    {
+//        if (x.GetLowerBound(i) != y.GetLowerBound(i))
+//            return false;
+//        if (x.GetLength(i) != y.GetLength(i))
+//            return false;
+//        lower[i] = x.GetLowerBound(i);
+//        indices[i] = lower[i];
+//        upper[i] = lower[i] + x.GetLength(i);
+//    }
+
+//    while (true)
+//    {
+//        if (!object.Equals(x.GetValue(indices), y.GetValue(indices)))
+//            return false;
+
+//        int i = 0;
+//        indices[i]++;
+
+//        while (indices[i] >= upper[i])
+//        {
+//            indices[i] = lower[i];
+//            i++;
+
+//            if (i >= indices.Length)
+//                return true;
+
+//            indices[i]++;
+//        }
+//    }
+//}
+  
+  .method private hidebysig static bool ArrayEquals(class [mscorlib]System.Array x, class [mscorlib]System.Array y) cil managed
+  {
+      .maxstack 5
+      .locals init (
+          [0] int32[] lower,
+          [1] int32[] indices,
+          [2] int32[] upper,
+          [3] int32 i,
+          [4] int32 V_4)
+      L_0000: ldarg.0 
+      L_0001: callvirt instance int32 [mscorlib]System.Array::get_Rank()
+      L_0006: ldarg.1 
+      L_0007: callvirt instance int32 [mscorlib]System.Array::get_Rank()
+      L_000c: beq.s L_0010
+      L_000e: ldc.i4.0 
+      L_000f: ret 
+      L_0010: ldarg.0 
+      L_0011: callvirt instance int32 [mscorlib]System.Array::get_Rank()
+      L_0016: newarr int32
+      L_001b: stloc.0 
+      L_001c: ldarg.0 
+      L_001d: callvirt instance int32 [mscorlib]System.Array::get_Rank()
+      L_0022: newarr int32
+      L_0027: stloc.1 
+      L_0028: ldarg.0 
+      L_0029: callvirt instance int32 [mscorlib]System.Array::get_Rank()
+      L_002e: newarr int32
+      L_0033: stloc.2 
+      L_0034: ldc.i4.0 
+      L_0035: stloc.3 
+      L_0036: br.s L_007e
+      L_0038: ldarg.0 
+      L_0039: ldloc.3 
+      L_003a: callvirt instance int32 [mscorlib]System.Array::GetLowerBound(int32)
+      L_003f: ldarg.1 
+      L_0040: ldloc.3 
+      L_0041: callvirt instance int32 [mscorlib]System.Array::GetLowerBound(int32)
+      L_0046: beq.s L_004a
+      L_0048: ldc.i4.0 
+      L_0049: ret 
+      L_004a: ldarg.0 
+      L_004b: ldloc.3 
+      L_004c: callvirt instance int32 [mscorlib]System.Array::GetLength(int32)
+      L_0051: ldarg.1 
+      L_0052: ldloc.3 
+      L_0053: callvirt instance int32 [mscorlib]System.Array::GetLength(int32)
+      L_0058: beq.s L_005c
+      L_005a: ldc.i4.0 
+      L_005b: ret 
+      L_005c: ldloc.0 
+      L_005d: ldloc.3 
+      L_005e: ldarg.0 
+      L_005f: ldloc.3 
+      L_0060: callvirt instance int32 [mscorlib]System.Array::GetLowerBound(int32)
+      L_0065: stelem.i4 
+      L_0066: ldloc.1 
+      L_0067: ldloc.3 
+      L_0068: ldloc.0 
+      L_0069: ldloc.3 
+      L_006a: ldelem.i4 
+      L_006b: stelem.i4 
+      L_006c: ldloc.2 
+      L_006d: ldloc.3 
+      L_006e: ldloc.0 
+      L_006f: ldloc.3 
+      L_0070: ldelem.i4 
+      L_0071: ldarg.0 
+      L_0072: ldloc.3 
+      L_0073: callvirt instance int32 [mscorlib]System.Array::GetLength(int32)
+      L_0078: add 
+      L_0079: stelem.i4 
+      L_007a: ldloc.3 
+      L_007b: ldc.i4.1 
+      L_007c: add 
+      L_007d: stloc.3 
+      L_007e: ldloc.3 
+      L_007f: ldloc.1 
+      L_0080: ldlen 
+      L_0081: conv.i4 
+      L_0082: blt.s L_0038
+      L_0084: ldarg.0 
+      L_0085: ldloc.1 
+      L_0086: callvirt instance object [mscorlib]System.Array::GetValue(int32[])
+      L_008b: ldarg.1 
+      L_008c: ldloc.1 
+      L_008d: callvirt instance object [mscorlib]System.Array::GetValue(int32[])
+      L_0092: call bool [mscorlib]System.Object::Equals(object, object)
+      L_0097: brtrue.s L_009b
+      L_0099: ldc.i4.0 
+      L_009a: ret 
+      L_009b: ldc.i4.0 
+      L_009c: stloc.s V_4
+      L_009e: ldloc.1 
+      L_009f: ldloc.s V_4
+      L_00a1: ldelema int32
+      L_00a6: dup 
+      L_00a7: ldind.i4 
+      L_00a8: ldc.i4.1 
+      L_00a9: add 
+      L_00aa: stind.i4 
+      L_00ab: br.s L_00d1
+      L_00ad: ldloc.1 
+      L_00ae: ldloc.s V_4
+      L_00b0: ldloc.0 
+      L_00b1: ldloc.s V_4
+      L_00b3: ldelem.i4 
+      L_00b4: stelem.i4 
+      L_00b5: ldloc.s V_4
+      L_00b7: ldc.i4.1 
+      L_00b8: add 
+      L_00b9: stloc.s V_4
+      L_00bb: ldloc.s V_4
+      L_00bd: ldloc.1 
+      L_00be: ldlen 
+      L_00bf: conv.i4 
+      L_00c0: blt.s L_00c4
+      L_00c2: ldc.i4.1 
+      L_00c3: ret 
+      L_00c4: ldloc.1 
+      L_00c5: ldloc.s V_4
+      L_00c7: ldelema int32
+      L_00cc: dup 
+      L_00cd: ldind.i4 
+      L_00ce: ldc.i4.1 
+      L_00cf: add 
+      L_00d0: stind.i4 
+      L_00d1: ldloc.1 
+      L_00d2: ldloc.s V_4
+      L_00d4: ldelem.i4 
+      L_00d5: ldloc.2 
+      L_00d6: ldloc.s V_4
+      L_00d8: ldelem.i4 
+      L_00d9: bge.s L_00ad
+      L_00db: br.s L_0084
+  }
+
+  .method public hidebysig specialname rtspecialname instance void .ctor() cil managed
+  {
+    .maxstack 8
+    ldarg.0
+    call instance void [mscorlib]System.Object::.ctor()
+    ret
+  }
+}
+
+.class private auto ansi 'ArrayInitializers' extends [mscorlib]System.Object
+{
+  .class explicit ansi sealed nested private 'StaticArrayInitTypeSize20' extends [mscorlib]System.ValueType
+  {
+    .pack 1
+    .size 20
+  }
+
+  .class explicit ansi sealed nested private 'StaticArrayInitTypeSize40' extends [mscorlib]System.ValueType
+  {
+    .pack 1
+    .size 40
+  }
+  
+  .class explicit ansi sealed nested private 'StaticArrayInitTypeSize80' extends [mscorlib]System.ValueType
+  {
+    .pack 1
+    .size 80
+  }
+  
+  .field static assembly valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize20' 'InitializerField20' at InitializerField20Data
+  .field static assembly valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize40' 'InitializerField40' at InitializerField40Data
+  .field static assembly valuetype 'ArrayInitializers'/'StaticArrayInitTypeSize80' 'InitializerField80' at InitializerField80Data
+}
+
+.data cil InitializerField20Data = bytearray (01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14)
+
+.data cil InitializerField40Data = bytearray (01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14
+                                              15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 28)
+
+.data cil InitializerField80Data = bytearray (01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14
+                                              15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 28
+                                              29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 38 39 3A 3B 3C
+                                              3D 3E 3F 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50)