diff options
Diffstat (limited to 'gcc/graphite.c')
| -rw-r--r-- | gcc/graphite.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/gcc/graphite.c b/gcc/graphite.c index a14dd141e3e..90d82301202 100644 --- a/gcc/graphite.c +++ b/gcc/graphite.c @@ -864,6 +864,33 @@ loop_affine_expr (basic_block scop_entry, struct loop *loop, tree expr) || evolution_function_is_affine_multivariate_p (scev, n)); } +/* Return false if the tree_code of the operand OP or any of its operands + is component_ref. */ + +static bool +exclude_component_ref (tree op) +{ + int i; + int len; + + if (op) + { + if (TREE_CODE (op) == COMPONENT_REF) + return false; + else + { + len = TREE_OPERAND_LENGTH (op); + for (i = 0; i < len; ++i) + { + if (!exclude_component_ref (TREE_OPERAND (op, i))) + return false; + } + } + } + + return true; +} + /* Return true if the operand OP is simple. */ static bool @@ -879,7 +906,7 @@ is_simple_operand (loop_p loop, gimple stmt, tree op) && !stmt_simple_memref_p (loop, stmt, op))) return false; - return true; + return exclude_component_ref (op); } /* Return true only when STMT is simple enough for being handled by |