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Diffstat (limited to 'gcc/tree-ssa-loop-unswitch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-unswitch.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index dd6fd01..77acd66 100644 --- a/gcc/tree-ssa-loop-unswitch.c +++ b/gcc/tree-ssa-loop-unswitch.c @@ -223,6 +223,8 @@ tree_unswitch_single_loop (struct loop *loop, int num) /* If the loop is not expected to iterate, there is no need for unswitching. */ iterations = estimated_loop_iterations_int (loop); + if (iterations < 0) + iterations = max_loop_iterations_int (loop); if (iterations >= 0 && iterations <= 1) { if (dump_file && (dump_flags & TDF_DETAILS)) @@ -439,6 +441,8 @@ tree_unswitch_outer_loop (struct loop *loop) /* If the loop is not expected to iterate, there is no need for unswitching. */ iterations = estimated_loop_iterations_int (loop); + if (iterations < 0) + iterations = max_loop_iterations_int (loop); if (iterations >= 0 && iterations <= 1) { if (dump_file && (dump_flags & TDF_DETAILS)) |