diff options
Diffstat (limited to 'gcc/tree-ssa-threadupdate.c')
| -rw-r--r-- | gcc/tree-ssa-threadupdate.c | 35 |
1 files changed, 1 insertions, 34 deletions
diff --git a/gcc/tree-ssa-threadupdate.c b/gcc/tree-ssa-threadupdate.c index 2fdfb86..b4b30fa 100644 --- a/gcc/tree-ssa-threadupdate.c +++ b/gcc/tree-ssa-threadupdate.c @@ -95,39 +95,6 @@ struct redirection_data /* Main data structure to hold information for duplicates of BB. */ static varray_type redirection_data; -/* Add to the destination of edge E those PHI arguments queued on - E. */ - -static void -copy_phis_to_block (edge e) -{ - basic_block dest = e->dest; - tree var; - - for (var = PENDING_STMT (e); var; var = TREE_CHAIN (var)) - { - tree result = TREE_PURPOSE (var); - tree arg = TREE_VALUE (var); - tree new_phi; - - /* First try to find a PHI node in NEW_BB which has the same - PHI_RESULT as the PHI from BB we are currently processing. */ - for (new_phi = phi_nodes (dest); new_phi; - new_phi = PHI_CHAIN (new_phi)) - if (PHI_RESULT (new_phi) == result) - break; - - /* If we did not find a suitable PHI in NEW_BB, create one. */ - if (!new_phi) - new_phi = create_phi_node (result, dest); - - /* Now add that same argument to the new PHI node in block NEW_BB. */ - add_phi_arg (&new_phi, arg, e); - } - - PENDING_STMT (e) = NULL; -} - /* Remove the last statement in block BB if it is a control statement Also remove all outgoing edges except the edge which reaches DEST_BB. If DEST_BB is NULL, then remove all outgoing edges. */ @@ -368,7 +335,7 @@ thread_block (basic_block bb) e->src->index, e->dest->index, rd->dup_block->index); e2 = redirect_edge_and_branch (e, rd->dup_block); - copy_phis_to_block (e2); + flush_pending_stmts (e2); if ((dump_file && (dump_flags & TDF_DETAILS)) && e->src != e2->src) |