diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fold-const.c | 18 | ||||
| -rw-r--r-- | gcc/tree.c | 6 |
3 files changed, 29 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 89ddfce..6b32d1f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2019-10-30 Martin Liska <mliska@suse.cz> + * fold-const.c (operand_equal_p): Support OBJ_TYPE_REF. + * tree.c (add_expr): Hash parts of OBJ_TYPE_REF. + +2019-10-30 Martin Liska <mliska@suse.cz> + PR lto/91393 PR lto/88220 * cgraph.c (cgraph_node::get_create): Overwrite node->order diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 58b967e..8c6e510 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3325,6 +3325,24 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags) flags &= ~OEP_ADDRESS_OF; return OP_SAME (1) && OP_SAME (2); + /* Virtual table call. */ + case OBJ_TYPE_REF: + { + if (!operand_equal_p (OBJ_TYPE_REF_EXPR (arg0), + OBJ_TYPE_REF_EXPR (arg1), flags)) + return false; + if (tree_to_uhwi (OBJ_TYPE_REF_TOKEN (arg0)) + != tree_to_uhwi (OBJ_TYPE_REF_TOKEN (arg1))) + return false; + if (!operand_equal_p (OBJ_TYPE_REF_OBJECT (arg0), + OBJ_TYPE_REF_OBJECT (arg1), flags)) + return false; + if (!types_same_for_odr (obj_type_ref_class (arg0), + obj_type_ref_class (arg1))) + return false; + return true; + } + default: return false; } @@ -8027,6 +8027,12 @@ add_expr (const_tree t, inchash::hash &hstate, unsigned int flags) inchash::add_expr (TARGET_EXPR_SLOT (t), hstate, flags); return; + /* Virtual table call. */ + case OBJ_TYPE_REF: + inchash::add_expr (OBJ_TYPE_REF_EXPR (t), hstate, flags); + inchash::add_expr (OBJ_TYPE_REF_TOKEN (t), hstate, flags); + inchash::add_expr (OBJ_TYPE_REF_OBJECT (t), hstate, flags); + return; default: break; } |