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Re: Looping through the gimple for CALL_EXPR
- From: Richard Guenther <richard dot guenther at gmail dot com>
- To: "Paulo J. Matos" <pocmatos at gmail dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 11 Jan 2010 17:51:30 +0100
- Subject: Re: Looping through the gimple for CALL_EXPR
- References: <11b141711001110746jde1e203pb7f01dd8f3860046@mail.gmail.com>
On Mon, Jan 11, 2010 at 4:46 PM, Paulo J. Matos <pocmatos@gmail.com> wrote:
> Hi all,
>
> I am using gcc 4.3.4 to loop through the gimple tree to find
> CALL_EXPR. This is what I have (even though I tried several variants,
> none of which worked):
> tree body_stmt = DECL_SAVED_TREE (current_function_decl);
> ? ?while (body_stmt) //
> ? ?{
> ? ? ? ?if (TREE_CODE (body_stmt) == CALL_EXPR)
> ? ? ? ?{
> ? ? ? ? ? ?printf("CALL_EXPR found in %s\n",
> IDENTIFIER_POINTER(DECL_NAME(current_function_decl)));
> ? ? ? ?}
>
> ? ? ? ?body_stmt = TREE_CHAIN (body_stmt);
> ? ?}
>
> I have read in the internals doc about EXPR_STMT and EXPR_STMT_EXPR
> but using them to access the expression through the statement and then
> checking if the expressions is a CALL expression doesn't work either.
> In fact, EXPR_STMT doesn't even seem to be defined.
>
> Any tips?
statements are chained in STATEMENT_LIST nodes, you need to
iterate through them using iterators - see tree-iterator.h.
Richard.
> --
> Paulo Jorge Matos - pocmatos at gmail.com
> http://www.pmatos.net
>