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Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index c314da4..1a1e58b 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -2275,9 +2275,11 @@ add_iv_value_candidates (struct ivopts_data *data, add_candidate (data, build_int_cst (basetype, 0), iv->step, true, use); - /* Third, try removing the constant offset. */ + /* Third, try removing the constant offset. Make sure to even + add a candidate for &a[0] vs. (T *)&a. */ base = strip_offset (iv->base, &offset); - if (offset) + if (offset + || base != iv->base) add_candidate (data, base, iv->step, false, use); } |