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Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 1023acf..821fc7d 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4130,6 +4130,24 @@ find_func_aliases_for_builtin_call (gimple t) case BUILT_IN_REMQUOL: case BUILT_IN_FREE: return true; + case BUILT_IN_STRDUP: + case BUILT_IN_STRNDUP: + if (gimple_call_lhs (t)) + { + handle_lhs_call (t, gimple_call_lhs (t), gimple_call_flags (t), + NULL, fndecl); + get_constraint_for_ptr_offset (gimple_call_lhs (t), + NULL_TREE, &lhsc); + get_constraint_for_ptr_offset (gimple_call_arg (t, 0), + NULL_TREE, &rhsc); + do_deref (&lhsc); + do_deref (&rhsc); + process_all_all_constraints (lhsc, rhsc); + VEC_free (ce_s, heap, lhsc); + VEC_free (ce_s, heap, rhsc); + return true; + } + break; /* Trampolines are special - they set up passing the static frame. */ case BUILT_IN_INIT_TRAMPOLINE: |