diff options
Diffstat (limited to 'gcc-4.9/gcc/graphite-scop-detection.c')
| -rw-r--r-- | gcc-4.9/gcc/graphite-scop-detection.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/graphite-scop-detection.c b/gcc-4.9/gcc/graphite-scop-detection.c index b5e4a8c8c..821f0846e 100644 --- a/gcc-4.9/gcc/graphite-scop-detection.c +++ b/gcc-4.9/gcc/graphite-scop-detection.c @@ -219,7 +219,14 @@ graphite_can_represent_scev (tree scev) switch (TREE_CODE (scev)) { + case NEGATE_EXPR: + case BIT_NOT_EXPR: + CASE_CONVERT: + case NON_LVALUE_EXPR: + return graphite_can_represent_scev (TREE_OPERAND (scev, 0)); + case PLUS_EXPR: + case POINTER_PLUS_EXPR: case MINUS_EXPR: return graphite_can_represent_scev (TREE_OPERAND (scev, 0)) && graphite_can_represent_scev (TREE_OPERAND (scev, 1)); @@ -241,13 +248,15 @@ graphite_can_represent_scev (tree scev) if (!evolution_function_right_is_integer_cst (scev) || !graphite_can_represent_init (scev)) return false; + return graphite_can_represent_scev (CHREC_LEFT (scev)); default: break; } /* Only affine functions can be represented. */ - if (!scev_is_linear_expression (scev)) + if (tree_contains_chrecs (scev, NULL) + || !scev_is_linear_expression (scev)) return false; return true; |