2015-03-19 Richard Biener <rguenther@suse.de>
commit89e4e54ee74dce0718cb7a7884905313ea111ee0
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 19 Mar 2015 13:36:18 +0000 (19 13:36 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 19 Mar 2015 13:36:18 +0000 (19 13:36 +0000)
tree5358cb58a065a12943260386c9af2dd4b3066b58
parent5b208a425d6e1b37cefc14a6446fc050b92eb325
2015-03-19  Richard Biener  <rguenther@suse.de>

Revert
2015-03-10  Richard Biener  <rguenther@suse.de>

PR middle-end/63155
* tree-ssa-coalesce.h (verify_ssa_coalescing): Declare.
* tree-ssa-coalesce.c: Include timevar.h.
(attempt_coalesce): Handle graph being NULL.
(coalesce_partitions): Call verify_ssa_coalescing if ENABLE_CHECKING.
Split out abnormal coalescing to ...
(perform_abnormal_coalescing): ... this function.
(coalesce_ssa_name): Perform abnormal coalescing without computing
live/conflict.
(verify_ssa_coalescing_worker): New function.
(verify_ssa_coalescing): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@221515 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/tree-ssa-coalesce.c
gcc/tree-ssa-coalesce.h