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Diffstat (limited to 'gcc/tree-ssa-loop-ch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ch.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c index 14cc6d8d..6bb0220 100644 --- a/gcc/tree-ssa-loop-ch.c +++ b/gcc/tree-ssa-loop-ch.c @@ -119,7 +119,10 @@ should_duplicate_loop_header_p (basic_block header, struct loop *loop, continue; if (gimple_code (last) == GIMPLE_CALL - && !gimple_inexpensive_call_p (as_a <gcall *> (last))) + && (!gimple_inexpensive_call_p (as_a <gcall *> (last)) + /* IFN_LOOP_DIST_ALIAS means that inner loop is distributed + at current loop's header. Don't copy in this case. */ + || gimple_call_internal_p (last, IFN_LOOP_DIST_ALIAS))) { if (dump_file && (dump_flags & TDF_DETAILS)) fprintf (dump_file, |