diff options
Diffstat (limited to 'gcc/tree-chrec.h')
| -rw-r--r-- | gcc/tree-chrec.h | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/gcc/tree-chrec.h b/gcc/tree-chrec.h index e980ec17452..4838bae89aa 100644 --- a/gcc/tree-chrec.h +++ b/gcc/tree-chrec.h @@ -157,8 +157,9 @@ build_polynomial_chrec (unsigned loop_num, if (chrec_zerop (right)) return left; - return build3 (POLYNOMIAL_CHREC, TREE_TYPE (left), - build_int_cst (NULL_TREE, loop_num), left, right); + tree chrec = build2 (POLYNOMIAL_CHREC, TREE_TYPE (left), left, right); + CHREC_VARIABLE (chrec) = loop_num; + return chrec; } /* Determines whether the expression CHREC is a constant. */ @@ -169,15 +170,9 @@ evolution_function_is_constant_p (const_tree chrec) if (chrec == NULL_TREE) return false; - switch (TREE_CODE (chrec)) - { - case INTEGER_CST: - case REAL_CST: - return true; - - default: - return false; - } + if (CONSTANT_CLASS_P (chrec)) + return true; + return is_gimple_min_invariant (chrec); } /* Determine whether CHREC is an affine evolution function in LOOPNUM. */ |