* cgraph.h (cgraph_edge::maybe_hot_p): Tweak comment.
	* cgraph.c (cgraph_edge::maybe_hot_p): Likewise.  Remove useless test.
	* predict.c (maybe_hot_count_p): Likewise.
	(maybe_hot_bb_p): Tweak comment.
	(maybe_hot_edge_p): Likewise.
	(probably_never_executed): Likewise.  Minor tweak.
	(probably_never_executed_bb_p): Likewise.
	(unlikely_executed_edge_p): Likewise.
	(probably_never_executed_edge_p): Likewise.
	(optimize_function_for_size_p): Likewise.
	(optimize_function_for_speed_p): Likewise.
	(function_optimization_type): Likewise.
	(optimize_bb_for_size_p): Likewise.
	(optimize_bb_for_speed_p): Likewise.
	(bb_optimization_type): Likewise.
	(optimize_edge_for_size_p): Likewise.
	(optimize_edge_for_speed_p): Likewise.
	(optimize_insn_for_size_p): Likewise.
	(optimize_insn_for_speed_p): Likewise.
	(optimize_loop_for_size_p): Likewise.
	(optimize_loop_for_speed_p): Likewise.
	(optimize_loop_nest_for_speed_p): Likewise.
	(optimize_loop_nest_for_size_p): Likewise.
	(predictable_edge_p): Likewise.
	(handle_missing_profiles): Minor tweak.

From-SVN: r273983