diff options
Diffstat (limited to 'gcc/tree-chrec.h')
| -rw-r--r-- | gcc/tree-chrec.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/tree-chrec.h b/gcc/tree-chrec.h index d101c9b14c7..723c8918e28 100644 --- a/gcc/tree-chrec.h +++ b/gcc/tree-chrec.h @@ -67,8 +67,7 @@ tree_is_chrec (tree expr) extern tree chrec_fold_plus (tree, tree, tree); extern tree chrec_fold_minus (tree, tree, tree); extern tree chrec_fold_multiply (tree, tree, tree); -extern tree chrec_convert (tree, tree); -extern tree count_ev_in_wider_type (tree, tree); +extern tree chrec_convert (tree, tree, tree); extern tree chrec_type (tree); /* Operations. */ @@ -146,6 +145,7 @@ evolution_function_is_constant_p (tree chrec) } } +extern bool evolution_function_is_invariant_p (tree, int); /* Determine whether the given tree is an affine evolution function or not. */ static inline bool @@ -157,8 +157,10 @@ evolution_function_is_affine_p (tree chrec) switch (TREE_CODE (chrec)) { case POLYNOMIAL_CHREC: - if (evolution_function_is_constant_p (CHREC_LEFT (chrec)) - && evolution_function_is_constant_p (CHREC_RIGHT (chrec))) + if (evolution_function_is_invariant_p (CHREC_LEFT (chrec), + CHREC_VARIABLE (chrec)) + && evolution_function_is_invariant_p (CHREC_RIGHT (chrec), + CHREC_VARIABLE (chrec))) return true; else return false; |