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Diffstat (limited to 'gcc/tree-ssa-loop-ch.c')
-rw-r--r-- | gcc/tree-ssa-loop-ch.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c index 5cf2f92056c..5a16822c844 100644 --- a/gcc/tree-ssa-loop-ch.c +++ b/gcc/tree-ssa-loop-ch.c @@ -60,7 +60,7 @@ should_duplicate_loop_header_p (basic_block header, struct loop *loop, return false; gcc_assert (EDGE_COUNT (header->succs) > 0); - if (EDGE_COUNT (header->succs) == 1) + if (single_succ_p (header)) return false; if (flow_bb_inside_loop_p (loop, EDGE_SUCC (header, 0)->dest) && flow_bb_inside_loop_p (loop, EDGE_SUCC (header, 1)->dest)) @@ -68,7 +68,7 @@ should_duplicate_loop_header_p (basic_block header, struct loop *loop, /* If this is not the original loop header, we want it to have just one predecessor in order to match the && pattern. */ - if (header != loop->header && EDGE_COUNT (header->preds) >= 2) + if (header != loop->header && !single_pred_p (header)) return false; last = last_stmt (header); @@ -193,8 +193,8 @@ copy_loop_headers (void) /* Ensure that the header will have just the latch as a predecessor inside the loop. */ - if (EDGE_COUNT (exit->dest->preds) > 1) - exit = EDGE_SUCC (loop_split_edge_with (exit, NULL), 0); + if (!single_pred_p (exit->dest)) + exit = single_succ_edge (loop_split_edge_with (exit, NULL)); if (!tree_duplicate_sese_region (loop_preheader_edge (loop), exit, bbs, n_bbs, NULL)) |