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| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2021-01-03 21:40:04 +0100 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2021-01-03 21:40:04 +0100 |
| commit | afae4a55ccaa0de95ea11e5f634084db6ab2f444 (patch) | |
| tree | d632cc867d10410ba9fb750523be790b86846ac4 /gcc/tree-scalar-evolution.c | |
| parent | 9d9a82ec8478ff52c7a9d61f58cd2a7b6295b5f9 (diff) | |
| parent | d2eb616a0f7bea78164912aa438c29fe1ef5774a (diff) | |
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Merge branch 'master' into devel/coarray_native
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)) |