private void MarkOptimizationAndCaseBlocks(InstructionBlock block, RemoveCompilerOptimizationsStep.SwitchData data)
{
V_0 = new Queue <InstructionBlock>();
V_1 = new HashSet <int>();
V_2 = block.get_Successors();
V_3 = 0;
while (V_3 < (int)V_2.Length)
{
V_0.Enqueue(V_2[V_3]);
V_3 = V_3 + 1;
}
while (V_0.get_Count() > 0)
{
V_5 = V_0.Dequeue();
dummyVar0 = V_1.Add(V_5.get_First().get_Offset());
if (!this.IsOptimizationBlock(this.blockExpressions.get_Item(V_5.get_First().get_Offset()), data.get_OptimizationVariable()))
{
if (!this.IsCaseBlock(this.blockExpressions.get_Item(V_5.get_First().get_Offset()), data.get_SwitchExpression()) && !this.IsNullCaseBlock(this.blockExpressions.get_Item(V_5.get_First().get_Offset()), data.get_SwitchExpression()))
{
continue;
}
this.switchBlocksToCasesMap.get_Item(block.get_First().get_Offset()).Add(V_5.get_First().get_Offset());
V_8 = V_5.get_Successors()[1];
if (this.IsEmptyStringCaseBlock(this.blockExpressions.get_Item(V_8.get_First().get_Offset()), data.get_SwitchExpression()))
{
V_5.set_Last(V_8.get_Last());
V_5.set_Successors(V_8.get_Successors());
V_9 = this.blockExpressions.get_Item(V_5.get_First().get_Offset()).get_Item(0) as BinaryExpression;
V_9.set_Right(new LiteralExpression("", this.methodContext.get_Method().get_Module().get_TypeSystem(), null));
V_10 = this.blockExpressions.get_Item(V_8.get_First().get_Offset()).get_Item(0).get_UnderlyingSameMethodInstructions();
V_9 = V_9.CloneAndAttachInstructions(V_10) as BinaryExpression;
this.blockExpressions.get_Item(V_5.get_First().get_Offset()).set_Item(0, new UnaryExpression(11, V_9, null));
this.blocksToBeRemoved.Add(V_8.get_First().get_Offset());
}
dummyVar1 = this.MarkSecondSuccessorForRemovalIfItIsUnconditionalJump(V_5);
}
else
{
V_6 = V_5.get_Successors()[0];
if (!V_1.Contains(V_6.get_First().get_Offset()))
{
V_0.Enqueue(V_6);
}
V_7 = this.MarkSecondSuccessorForRemovalIfItIsUnconditionalJump(V_5);
if (!V_1.Contains(V_7.get_First().get_Offset()) && this.IsOptimizationBlock(this.blockExpressions.get_Item(V_5.get_First().get_Offset()), data.get_OptimizationVariable()))
{
V_0.Enqueue(V_7);
}
this.blocksToBeRemoved.Add(V_5.get_First().get_Offset());
}
}
return;
}