Output of gcc -fdump-tree-original

Ian Lance Taylor iant@google.com
Mon Apr 26 14:09:00 GMT 2010


Job Noorman <jobnoorman@gmail.com> writes:

> If I dump the code generated by GCC for a virtual destructor (with -fdump-
> tree-original), I get something like this:
>
> ;; Function virtual Foo::~Foo() (null)
> ;; enabled by -tree-original
>
> {
>   <<cleanup_point <<< Unknown tree: expr_stmt
>   (void) (((struct Foo *) this)->_vptr.Foo = &_ZTV3Foo + 8) >>>
>>>;
> }
> <D.20148>:;
> if ((bool) (__in_chrg & 1))
>   {
>     <<cleanup_point <<< Unknown tree: expr_stmt
>   operator delete ((void *) this) >>>
>>>;
>   }
>
> My question is: where is the code after "<D.20148>:;" located? It is outside 
> of the destructor so when is this code executed?

All of that code is in the destructor.  The format of this dump is
misleading if you are expecting C.  There is no outer set of curly
braces.

Ian



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