[Bug tree-optimization/54985] [4.7 Regression] dom optimization erroneous remove conditional goto.
law at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Nov 2 20:19:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54985
--- Comment #15 from Jeffrey A. Law <law at gcc dot gnu.org> 2012-11-02 20:19:23 UTC ---
Author: law
Date: Fri Nov 2 20:19:16 2012
New Revision: 193108
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193108
Log:
PR tree-optimization/54985
* tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
from thread_across_edge.
(thread_across_edge): Use it in all cases where we might thread
across a back edge.
* gcc.c-torture/execute/pr54985.c: New test.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.c-torture/execute/pr54985.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-ssa-threadedge.c
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