Blog_LoopWithArray.cs

public class C {
    public bool LoopAnyNonNull(string[] array) {
        foreach (var x in array) {
            if (x != null)
            	return true; 
        }
        return false;
    }
}

// produces following IL

.class public auto ansi beforefieldinit C
    extends [mscorlib]System.Object
{
    // Methods
    .method public hidebysig 
        instance bool LoopAnyNonNull (
            string[] 'array'
        ) cil managed 
    {
        // Method begins at RVA 0x2050
        // Code size 25 (0x19)
        .maxstack 2
        .locals init (
            [0] string[],
            [1] int32
        )

        IL_0000: ldarg.1
        IL_0001: stloc.0
        IL_0002: ldc.i4.0
        IL_0003: stloc.1
        // sequence point: hidden
        IL_0004: br.s IL_0011
        // loop start (head: IL_0011)
            IL_0006: ldloc.0
            IL_0007: ldloc.1
            IL_0008: ldelem.ref
            IL_0009: brfalse.s IL_000d

            IL_000b: ldc.i4.1
            IL_000c: ret

            // sequence point: hidden
            IL_000d: ldloc.1
            IL_000e: ldc.i4.1
            IL_000f: add
            IL_0010: stloc.1

            IL_0011: ldloc.1
            IL_0012: ldloc.0
            IL_0013: ldlen
            IL_0014: conv.i4
            IL_0015: blt.s IL_0006
        // end loop

        IL_0017: ldc.i4.0
        IL_0018: ret
    } // end of method C::LoopAnyNonNull

} // end of class C