diff options
Diffstat (limited to 'gcc/tree-ssa-alias.c')
-rw-r--r-- | gcc/tree-ssa-alias.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 7ce016b..983e321 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -571,6 +571,22 @@ set_initial_properties (struct alias_info *ai) mark_call_clobbered (alias, pi->escape_mask); } } + else if (pi->pt_anything) + { + bitmap_iterator bi; + unsigned int j; + + /* If we do not have the points-to set filled out we + still need to honor that this escaped pointer points + to anything. */ + EXECUTE_IF_SET_IN_BITMAP (gimple_addressable_vars (cfun), + 0, j, bi) + { + tree var = referenced_var (j); + if (!unmodifiable_var_p (var)) + mark_call_clobbered (var, pi->escape_mask); + } + } } /* If the name tag is call clobbered, so is the symbol tag |