http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34949
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
--- Comment #32 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-08
13:50:42 UTC ---
Author: jakub
Date: Mon Apr 8 13:46:00 2013
New Revision: 197580
URL: http://gcc.gnu.org/viewcvs?rev=197580&root=gcc&view=rev
Log:
PR c++/34949
PR c++/50243
* tree-eh.c (optimize_clobbers): Only remove clobbers if bb doesn't
contain anything but clobbers, at most one __builtin_stack_restore,
optionally debug stmts and final resx, and if it has at least one
incoming EH edge. Don't check for SSA_NAME on LHS of a clobber.
(sink_clobbers): Don't check for SSA_NAME on LHS of a clobber.
Instead of moving clobbers with MEM_REF LHS with SSA_NAME address
which isn't defaut definition, remove them.
(unsplit_eh, cleanup_empty_eh): Use single_{pred,succ}_{p,edge}
instead of EDGE_COUNT comparisons or EDGE_{PRED,SUCC}.
* tree-ssa-ccp.c (execute_fold_all_builtins): Remove clobbers
with MEM_REF LHS with SSA_NAME address.
* g++.dg/opt/vt3.C: New test.
* g++.dg/opt/vt4.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/opt/vt3.C
trunk/gcc/testsuite/g++.dg/opt/vt4.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-eh.c
trunk/gcc/tree-ssa-ccp.c
