Re: [PATCH][RFC] Fix CFG cleanup compile-time hog, PR85964

2018-06-04 Thread Richard Biener
On Tue, 29 May 2018, Richard Biener wrote: > > The following fixes the situation where the initial sweep over the > CFG to remove trivially dead code regions causes excessive compile-time > because of using remove_edge_and_dominated_blocks and thus > iterate_fix_dominators. > > The good thing is

[PATCH][RFC] Fix CFG cleanup compile-time hog, PR85964

2018-05-29 Thread Richard Biener
The following fixes the situation where the initial sweep over the CFG to remove trivially dead code regions causes excessive compile-time because of using remove_edge_and_dominated_blocks and thus iterate_fix_dominators. The good thing is that I added cleanup_control_flow_pre doing this initial