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r160079 - in /trunk/gcc: gimple.c gimple.h ipa-...


Author: hubicka
Date: Mon May 31 16:25:35 2010
New Revision: 160079

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160079
Log:

	* gimple.c (gimple_call_builtin_p): New function.
	* gimple.h (gimple_call_builtin_p): Declare.
	* tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
	to exit.
	(execute_warn_function_return): BUILT_IN_RETURN is return.
	(split_critical_edges): Return edges are not critical.
	(is_ctrl_altering_stmt): Builtin_in_return is altering.
	(gimple_verify_flow_info): Handle built_in_return.
	(execute_warn_function_return): Handle built_in_return.
	* ipa-pure-const.c (check_call): Ignore builtin_return.

	* gcc.dg/builtin-apply4.c: Compile with -Wmissing-return.

Modified:
    trunk/gcc/gimple.c
    trunk/gcc/gimple.h
    trunk/gcc/ipa-pure-const.c
    trunk/gcc/tree-cfg.c


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