diff options
Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
| -rw-r--r-- | gcc/tree-ssa-phiopt.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c index 739e48e..5e99678 100644 --- a/gcc/tree-ssa-phiopt.c +++ b/gcc/tree-ssa-phiopt.c @@ -38,6 +38,7 @@ along with GCC; see the file COPYING3. If not see #include "insn-config.h" #include "expr.h" #include "optabs.h" +#include "tree-scalar-evolution.h" #ifndef HAVE_conditional_move #define HAVE_conditional_move (0) @@ -242,7 +243,16 @@ tree_ssa_phiopt (void) static unsigned int tree_ssa_cs_elim (void) { - return tree_ssa_phiopt_worker (true, false); + unsigned todo; + /* ??? We are not interested in loop related info, but the following + will create it, ICEing as we didn't init loops with pre-headers. + An interfacing issue of find_data_references_in_bb. */ + loop_optimizer_init (LOOPS_NORMAL); + scev_initialize (); + todo = tree_ssa_phiopt_worker (true, false); + scev_finalize (); + loop_optimizer_finalize (); + return todo; } /* Return the singleton PHI in the SEQ of PHIs for edges E0 and E1. */ |