diff options
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 42 |
1 files changed, 3 insertions, 39 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 1f949a43041..6f787575d72 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -589,7 +589,6 @@ tree_duplicate_loop_to_header_edge (struct loop *loop, edge e, unsigned first_new_block; basic_block bb; unsigned i; - tree phi, arg, map, def; bitmap definitions; if (!(loops->state & LOOPS_HAVE_SIMPLE_LATCHES)) @@ -609,17 +608,7 @@ tree_duplicate_loop_to_header_edge (struct loop *loop, edge e, return false; /* Readd the removed phi args for e. */ - map = PENDING_STMT (e); - PENDING_STMT (e) = NULL; - - for (phi = phi_nodes (e->dest), arg = map; - phi; - phi = TREE_CHAIN (phi), arg = TREE_CHAIN (arg)) - { - def = TREE_VALUE (arg); - add_phi_arg (&phi, def, e); - } - gcc_assert (arg == NULL); + flush_pending_stmts (e); /* Copy the phi node arguments. */ copy_phi_node_args (first_new_block); @@ -747,31 +736,6 @@ lv_adjust_loop_entry_edge (basic_block first_head, return new_head; } -/* Add phi args using PENDINT_STMT list. */ - -static void -lv_update_pending_stmts (edge e) -{ - basic_block dest; - tree phi, arg, def; - - if (!PENDING_STMT (e)) - return; - - dest = e->dest; - - for (phi = phi_nodes (dest), arg = PENDING_STMT (e); - phi; - phi = TREE_CHAIN (phi), arg = TREE_CHAIN (arg)) - { - def = TREE_VALUE (arg); - add_phi_arg (&phi, def, e); - } - - PENDING_STMT (e) = NULL; -} - - /* Main entry point for Loop Versioning transformation. This transformation given a condition and a loop, creates @@ -832,11 +796,11 @@ tree_ssa_loop_version (struct loops *loops, struct loop * loop, nloop->single_exit = find_edge (exit->src->rbi->copy, exit->dest); /* loopify redirected latch_edge. Update its PENDING_STMTS. */ - lv_update_pending_stmts (latch_edge); + flush_pending_stmts (latch_edge); /* loopify redirected condition_bb's succ edge. Update its PENDING_STMTS. */ extract_true_false_edges_from_block (*condition_bb, &true_edge, &false_edge); - lv_update_pending_stmts (false_edge); + flush_pending_stmts (false_edge); /* Adjust irreducible flag. */ if (irred_flag) |