2010-10-15  Chung-Lin Tang  <cltang@codesourcery.com>

	* ifcvt.c (find_active_insn_before): New function.
	(find_active_insn_after): New function.
	(cond_exec_process_if_block): Use new functions to replace
	prev_active_insn() and next_active_insn().

	testsuite/
	* gcc.dg/20101010-1.c: New testcase.

From-SVN: r165495