[cfe-dev] condition expression for while loops - not printing using

[rks]

Any pointers?  on why it doesn't print condition for the code given 
below.

- Rajendra

On 2013-03-15 20:44, rks wrote:
> Hi,
>
> We are trying to dump condition expression for while loop using clang
> Visit methods.
>
> It works fine for normal while loops. It doesn't work and crashes
> with stack dump for following code:
>
> int main(void)
> {
>   int a ;
>
>   {
>   {
>   while (1) {
>     while_continue: ;
>     if (! a) {
>       goto while_break;
>     }
>     if (a > 20) {
>       a ++;
>       goto while_break;
>     } else {
>       goto while_break;
>     }
>   }
>   while_break: ;
>   }
>   return (0);
> }
> }
>
> I am unable to figure out why it doesn't print condition.
>
> I am using this code:
>
> WhileStmt* While = cast<WhileStmt>(stmt);
> const Expr* cond = While->getCond();
>
> where stmt is pointer to clang::Stmt object.
>
> We are getting clang::CFGStmt object by iterating over statements in
> basic block using CFG Block iterators.
>
> - Rajendra