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.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
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ILSpy/Decompiler/doc/Dissertation/Evolution/03_Dataflow_Comments.cs

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using System;
abstract class QuickSortProgram
{
public static void Main(System.String[] args)
{
System.Int32[] V_0;
int V_1;
bool V_2;
// No-op
// Stack: {}
System.String[] expr01 = args;
// Stack: {expr01}
int expr02 = expr01.Length;
// Stack: {expr02}
int expr03 = (Int32)expr02;
// Stack: {expr03}
System.Int32[] expr04 = new int[expr03];
// Stack: {expr04}
V_0 = expr04;
// Stack: {}
int expr0A = 0;
// Stack: {expr0A}
V_1 = expr0A;
// Stack: {}
goto IL_1F;
// Stack: {}
IL_0E: // No-op
// Stack: {}
System.Int32[] expr0F = V_0;
// Stack: {expr0F}
int expr10 = V_1;
// Stack: {expr0F, expr10}
System.String[] expr11 = args;
// Stack: {expr0F, expr10, expr11}
int expr12 = V_1;
// Stack: {expr0F, expr10, expr11, expr12}
string expr13 = expr11[expr12];
// Stack: {expr0F, expr10, expr13}
int expr14 = System.Int32.Parse(expr13);
// Stack: {expr0F, expr10, expr14}
expr0F[expr10] = expr14;
// Stack: {}
// No-op
// Stack: {}
int expr1B = V_1;
// Stack: {expr1B}
int expr1C = 1;
// Stack: {expr1B, expr1C}
int expr1D = expr1B + expr1C;
// Stack: {expr1D}
V_1 = expr1D;
// Stack: {}
IL_1F: int expr1F = V_1;
// Stack: {expr1F}
System.Int32[] expr20 = V_0;
// Stack: {expr1F, expr20}
int expr21 = expr20.Length;
// Stack: {expr1F, expr21}
int expr22 = (Int32)expr21;
// Stack: {expr1F, expr22}
bool expr23 = expr1F < expr22;
// Stack: {expr23}
V_2 = expr23;
// Stack: {}
bool expr26 = V_2;
// Stack: {expr26}
if (expr26) goto IL_0E;
// Stack: {}
System.Int32[] expr29 = V_0;
// Stack: {expr29}
int expr2A = 0;
// Stack: {expr29, expr2A}
System.Int32[] expr2B = V_0;
// Stack: {expr29, expr2A, expr2B}
int expr2C = expr2B.Length;
// Stack: {expr29, expr2A, expr2C}
int expr2D = (Int32)expr2C;
// Stack: {expr29, expr2A, expr2D}
int expr2E = 1;
// Stack: {expr29, expr2A, expr2D, expr2E}
int expr2F = expr2D - expr2E;
// Stack: {expr29, expr2A, expr2F}
QuickSortProgram.QuickSort(expr29, expr2A, expr2F);
// Stack: {}
// No-op
// Stack: {}
int expr36 = 0;
// Stack: {expr36}
V_1 = expr36;
// Stack: {}
goto IL_5C;
// Stack: {}
IL_3A: // No-op
// Stack: {}
System.Int32[] expr3B = V_0;
// Stack: {expr3B}
int expr3C = V_1;
// Stack: {expr3B, expr3C}
object expr3D = expr3B[expr3C];
// Stack: {expr3D}
string expr42 = expr3D.ToString();
// Stack: {expr42}
string expr47 = " ";
// Stack: {expr42, expr47}
string expr4C = System.String.Concat(expr42, expr47);
// Stack: {expr4C}
System.Console.Write(expr4C);
// Stack: {}
// No-op
// Stack: {}
// No-op
// Stack: {}
int expr58 = V_1;
// Stack: {expr58}
int expr59 = 1;
// Stack: {expr58, expr59}
int expr5A = expr58 + expr59;
// Stack: {expr5A}
V_1 = expr5A;
// Stack: {}
IL_5C: int expr5C = V_1;
// Stack: {expr5C}
System.Int32[] expr5D = V_0;
// Stack: {expr5C, expr5D}
int expr5E = expr5D.Length;
// Stack: {expr5C, expr5E}
int expr5F = (Int32)expr5E;
// Stack: {expr5C, expr5F}
bool expr60 = expr5C < expr5F;
// Stack: {expr60}
V_2 = expr60;
// Stack: {}
bool expr63 = V_2;
// Stack: {expr63}
if (expr63) goto IL_3A;
// Stack: {}
return;
// Stack: {}
}
public static void QuickSort(System.Int32[] array, int left, int right)
{
int V_0;
int V_1;
bool V_2;
// No-op
// Stack: {}
int expr01 = right;
// Stack: {expr01}
int expr02 = left;
// Stack: {expr01, expr02}
bool expr03 = expr01 > expr02;
// Stack: {expr03}
int expr05 = 0;
// Stack: {expr03, expr05}
bool expr06 = expr03 == (expr05 != 0);
// Stack: {expr06}
V_2 = expr06;
// Stack: {}
bool expr09 = V_2;
// Stack: {expr09}
if (expr09) goto IL_34;
// Stack: {}
// No-op
// Stack: {}
int expr0D = left;
// Stack: {expr0D}
int expr0E = right;
// Stack: {expr0D, expr0E}
int expr0F = expr0D + expr0E;
// Stack: {expr0F}
int expr10 = 2;
// Stack: {expr0F, expr10}
int expr11 = expr0F / expr10;
// Stack: {expr11}
V_0 = expr11;
// Stack: {}
System.Int32[] expr13 = array;
// Stack: {expr13}
int expr14 = left;
// Stack: {expr13, expr14}
int expr15 = right;
// Stack: {expr13, expr14, expr15}
int expr16 = V_0;
// Stack: {expr13, expr14, expr15, expr16}
int expr17 = QuickSortProgram.Partition(expr13, expr14, expr15, expr16);
// Stack: {expr17}
V_1 = expr17;
// Stack: {}
System.Int32[] expr1D = array;
// Stack: {expr1D}
int expr1E = left;
// Stack: {expr1D, expr1E}
int expr1F = V_1;
// Stack: {expr1D, expr1E, expr1F}
int expr20 = 1;
// Stack: {expr1D, expr1E, expr1F, expr20}
int expr21 = expr1F - expr20;
// Stack: {expr1D, expr1E, expr21}
QuickSortProgram.QuickSort(expr1D, expr1E, expr21);
// Stack: {}
// No-op
// Stack: {}
System.Int32[] expr28 = array;
// Stack: {expr28}
int expr29 = V_1;
// Stack: {expr28, expr29}
int expr2A = 1;
// Stack: {expr28, expr29, expr2A}
int expr2B = expr29 + expr2A;
// Stack: {expr28, expr2B}
int expr2C = right;
// Stack: {expr28, expr2B, expr2C}
QuickSortProgram.QuickSort(expr28, expr2B, expr2C);
// Stack: {}
// No-op
// Stack: {}
// No-op
// Stack: {}
IL_34: return;
// Stack: {}
}
private static int Partition(System.Int32[] array, int left, int right, int pivotIndex)
{
int V_0;
int V_1;
int V_2;
int V_3;
bool V_4;
// No-op
// Stack: {}
System.Int32[] expr01 = array;
// Stack: {expr01}
int expr02 = pivotIndex;
// Stack: {expr01, expr02}
int expr03 = expr01[expr02];
// Stack: {expr03}
V_0 = expr03;
// Stack: {}
System.Int32[] expr05 = array;
// Stack: {expr05}
int expr06 = pivotIndex;
// Stack: {expr05, expr06}
int expr07 = right;
// Stack: {expr05, expr06, expr07}
QuickSortProgram.Swap(expr05, expr06, expr07);
// Stack: {}
// No-op
// Stack: {}
int expr0E = left;
// Stack: {expr0E}
V_1 = expr0E;
// Stack: {}
int expr10 = left;
// Stack: {expr10}
V_2 = expr10;
// Stack: {}
goto IL_35;
// Stack: {}
IL_14: // No-op
// Stack: {}
System.Int32[] expr15 = array;
// Stack: {expr15}
int expr16 = V_2;
// Stack: {expr15, expr16}
int expr17 = expr15[expr16];
// Stack: {expr17}
int expr18 = V_0;
// Stack: {expr17, expr18}
bool expr19 = expr17 > expr18;
// Stack: {expr19}
V_4 = expr19;
// Stack: {}
bool expr1D = V_4;
// Stack: {expr1D}
if (expr1D) goto IL_30;
// Stack: {}
// No-op
// Stack: {}
System.Int32[] expr22 = array;
// Stack: {expr22}
int expr23 = V_1;
// Stack: {expr22, expr23}
int expr24 = V_2;
// Stack: {expr22, expr23, expr24}
QuickSortProgram.Swap(expr22, expr23, expr24);
// Stack: {}
// No-op
// Stack: {}
int expr2B = V_1;
// Stack: {expr2B}
int expr2C = 1;
// Stack: {expr2B, expr2C}
int expr2D = expr2B + expr2C;
// Stack: {expr2D}
V_1 = expr2D;
// Stack: {}
// No-op
// Stack: {}
IL_30: // No-op
// Stack: {}
int expr31 = V_2;
// Stack: {expr31}
int expr32 = 1;
// Stack: {expr31, expr32}
int expr33 = expr31 + expr32;
// Stack: {expr33}
V_2 = expr33;
// Stack: {}
IL_35: int expr35 = V_2;
// Stack: {expr35}
int expr36 = right;
// Stack: {expr35, expr36}
bool expr37 = expr35 < expr36;
// Stack: {expr37}
V_4 = expr37;
// Stack: {}
bool expr3B = V_4;
// Stack: {expr3B}
if (expr3B) goto IL_14;
// Stack: {}
System.Int32[] expr3F = array;
// Stack: {expr3F}
int expr40 = right;
// Stack: {expr3F, expr40}
int expr41 = V_1;
// Stack: {expr3F, expr40, expr41}
QuickSortProgram.Swap(expr3F, expr40, expr41);
// Stack: {}
// No-op
// Stack: {}
int expr48 = V_1;
// Stack: {expr48}
V_3 = expr48;
// Stack: {}
goto IL_4C;
// Stack: {}
IL_4C: int expr4C = V_3;
// Stack: {expr4C}
return expr4C;
// Stack: {}
}
private static void Swap(System.Int32[] array, int index1, int index2)
{
int V_0;
// No-op
// Stack: {}
System.Int32[] expr01 = array;
// Stack: {expr01}
int expr02 = index1;
// Stack: {expr01, expr02}
int expr03 = expr01[expr02];
// Stack: {expr03}
V_0 = expr03;
// Stack: {}
System.Int32[] expr05 = array;
// Stack: {expr05}
int expr06 = index1;
// Stack: {expr05, expr06}
System.Int32[] expr07 = array;
// Stack: {expr05, expr06, expr07}
int expr08 = index2;
// Stack: {expr05, expr06, expr07, expr08}
int expr09 = expr07[expr08];
// Stack: {expr05, expr06, expr09}
expr05[expr06] = expr09;
// Stack: {}
System.Int32[] expr0B = array;
// Stack: {expr0B}
int expr0C = index2;
// Stack: {expr0B, expr0C}
int expr0D = V_0;
// Stack: {expr0B, expr0C, expr0D}
expr0B[expr0C] = expr0D;
// Stack: {}
return;
// Stack: {}
}
}