Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>

Tue Sep 21 14:51:23 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

	* flow.c (remove_edge): New function to remove an edge from the
	flow graph.
	(remove_fake_successors): New function to remove fake successor edges.
	(remove_fake_edges): New function to remove all fake edges from the
	flow graph.
	(add_fake_exit_edges): New function to add fake edges from all blocks
	with no successors to the exit block.
	* basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
	prototypes for new functions.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29555 138bc75d-0d04-0410-961f-82ee72b054a4