[Bug tree-optimization/29333] Jump threading getting in the way of PHI-OPT

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-22 
00:47:00 UTC ---
This is the patch which I am testing:
Index: gcc/passes.c
===================================================================
--- gcc/passes.c    (revision 183381)
+++ gcc/passes.c    (working copy)
@@ -1300,11 +1300,11 @@ init_optimization_passes (void)
       NEXT_PASS (pass_phiprop);
       NEXT_PASS (pass_fre);
       NEXT_PASS (pass_copy_prop);
-      NEXT_PASS (pass_merge_phi);
       NEXT_PASS (pass_vrp);
       NEXT_PASS (pass_dce);
       NEXT_PASS (pass_cselim);
       NEXT_PASS (pass_tree_ifcombine);
+      NEXT_PASS (pass_merge_phi);
       NEXT_PASS (pass_phiopt);
       NEXT_PASS (pass_tail_recursion);
       NEXT_PASS (pass_ch);
@@ -1401,6 +1401,7 @@ init_optimization_passes (void)
       NEXT_PASS (pass_late_warn_uninitialized);
       NEXT_PASS (pass_dse);
       NEXT_PASS (pass_forwprop);
+      NEXT_PASS (pass_merge_phi);
       NEXT_PASS (pass_phiopt);
       NEXT_PASS (pass_fold_builtins);
       NEXT_PASS (pass_optimize_widening_mul);