summaryrefslogtreecommitdiff
path: root/gcc/ira.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/ira.c')
-rw-r--r--gcc/ira.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ira.c b/gcc/ira.c
index 4a7dcb52043..9a93297b0d4 100644
--- a/gcc/ira.c
+++ b/gcc/ira.c
@@ -4233,8 +4233,8 @@ ira (FILE *f)
if (flag_ira_region == IRA_REGION_ALL || flag_ira_region == IRA_REGION_MIXED)
{
flow_loops_find (&ira_loops);
- record_loop_exits ();
current_loops = &ira_loops;
+ record_loop_exits ();
}
if (internal_flag_ira_verbose > 0 && ira_dump_file != NULL)
@@ -4277,9 +4277,14 @@ ira (FILE *f)
info. */
df_analyze ();
+ /* ??? Rebuild the loop tree, but why? Does the loop tree
+ change if new insns were generated? Can that be handled
+ by updating the loop tree incrementally? */
+ release_recorded_exits ();
+ flow_loops_free (&ira_loops);
flow_loops_find (&ira_loops);
- record_loop_exits ();
current_loops = &ira_loops;
+ record_loop_exits ();
setup_allocno_assignment_flags ();
ira_initiate_assign ();
@@ -4363,6 +4368,7 @@ do_reload (void)
if (current_loops != NULL)
{
+ release_recorded_exits ();
flow_loops_free (&ira_loops);
free_dominance_info (CDI_DOMINATORS);
}