DF usage in loop-invariant.c (PR46590)

[gcc.git] / gcc / ChangeLog

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+2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
+
+       PR rtl-optimization/46590
+       * loop-invariant.c (find_defs): Move df_remove_problem and
+       df_process_deferred_rescans to move_invariants.
+       Move df_live_add_problem and df_live_set_all_dirty calls
+       to move_invariants.
+       (move_invariants): Likewise.
+       (move_loop_invariants): Likewise, making the df_live calls
+       conditional on -O.  Remove the problem again if we added it
+       locally.
+
 2019-04-03  qing zhao  <qing.zhao@oracle.com>
 
        PR tree-optimization/89730