diff options
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index 2969278..a91e83a 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -2195,16 +2195,11 @@ gimple_copy (gimple stmt) for (i = 0; i < num_ops; i++) gimple_set_op (copy, i, unshare_expr (gimple_op (stmt, i))); - /* Clear out SSA operand vectors on COPY. Note that we cannot - call the API functions for setting addresses_taken, stores - and loads. These functions free the previous values, and we - cannot do that on COPY as it will affect the original - statement. */ + /* Clear out SSA operand vectors on COPY. */ if (gimple_has_ops (stmt)) { gimple_set_def_ops (copy, NULL); gimple_set_use_ops (copy, NULL); - copy->gsops.opbase.addresses_taken = NULL; } if (gimple_has_mem_ops (stmt)) @@ -3392,4 +3387,32 @@ walk_stmt_load_store_ops (gimple stmt, void *data, visit_load, visit_store, NULL); } +/* Helper for gimple_ior_addresses_taken_1. */ + +static bool +gimple_ior_addresses_taken_1 (gimple stmt ATTRIBUTE_UNUSED, + tree addr, void *data) +{ + bitmap addresses_taken = (bitmap)data; + while (handled_component_p (addr)) + addr = TREE_OPERAND (addr, 0); + if (DECL_P (addr)) + { + bitmap_set_bit (addresses_taken, DECL_UID (addr)); + return true; + } + return false; +} + +/* Set the bit for the uid of all decls that have their address taken + in STMT in the ADDRESSES_TAKEN bitmap. Returns true if there + were any in this stmt. */ + +bool +gimple_ior_addresses_taken (bitmap addresses_taken, gimple stmt) +{ + return walk_stmt_load_store_addr_ops (stmt, addresses_taken, NULL, NULL, + gimple_ior_addresses_taken_1); +} + #include "gt-gimple.h" |