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Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index edab778..2c7923d 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -3043,22 +3043,12 @@ iv_can_overflow_p (class loop *loop, tree type, tree base, tree step) if (integer_zerop (step)) return false; - if (TREE_CODE (base) == INTEGER_CST) - base_min = base_max = wi::to_wide (base); - else if (TREE_CODE (base) == SSA_NAME - && INTEGRAL_TYPE_P (TREE_TYPE (base)) - && get_range_info (base, &base_min, &base_max) == VR_RANGE) - ; - else + if (!INTEGRAL_TYPE_P (TREE_TYPE (base)) + || get_range_info (base, &base_min, &base_max) != VR_RANGE) return true; - if (TREE_CODE (step) == INTEGER_CST) - step_min = step_max = wi::to_wide (step); - else if (TREE_CODE (step) == SSA_NAME - && INTEGRAL_TYPE_P (TREE_TYPE (step)) - && get_range_info (step, &step_min, &step_max) == VR_RANGE) - ; - else + if (!INTEGRAL_TYPE_P (TREE_TYPE (step)) + || get_range_info (step, &step_min, &step_max) != VR_RANGE) return true; if (!get_max_loop_iterations (loop, &nit)) |