Unwrap and remove statements

@implementation SClass
- (int)sqrV {
    if (v != 0)
        return v * v;
    else // this 'else' statement will be removed
        return 0;
}
@end

@implementation SClass
- (int)sqrV {
    if (v != 0)
        return v * v;
}
@end

count = 0
# This 'while' statement will be unwrapped
while True:
    print(count)
    count += 1
    if count >= 5:
        break

count = 0
print(count)
count += 1
if count >= 5:
    break

function GetCookie (name) {
    var arg = name + "=";
    var alen = arg.length;
    var i = 0;

    // This 'while' statement will be unwrapped
    while (i != document.cookie.length) {
        var j = i + document.cookie.length;
        i++;
    }
}

function GetCookie (name) {
    var arg = name + "=";
    var alen = arg.length;
    var i = 0;
    var j = i + document.cookie.length;
    i++;
}