diff options
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index ae0be4e..ce1f75a 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -198,6 +198,21 @@ gimple_build_return (tree retval) return s; } +/* Reset alias information on call S. */ + +void +gimple_call_reset_alias_info (gimple s) +{ + if (gimple_call_flags (s) & ECF_CONST) + memset (gimple_call_use_set (s), 0, sizeof (struct pt_solution)); + else + pt_solution_reset (gimple_call_use_set (s)); + if (gimple_call_flags (s) & (ECF_CONST|ECF_PURE|ECF_NOVOPS)) + memset (gimple_call_clobber_set (s), 0, sizeof (struct pt_solution)); + else + pt_solution_reset (gimple_call_clobber_set (s)); +} + /* Helper for gimple_build_call, gimple_build_call_vec and gimple_build_call_from_tree. Build the basic components of a GIMPLE_CALL statement to function FN with NARGS arguments. */ @@ -209,6 +224,7 @@ gimple_build_call_1 (tree fn, unsigned nargs) if (TREE_CODE (fn) == FUNCTION_DECL) fn = build_fold_addr_expr (fn); gimple_set_op (s, 1, fn); + gimple_call_reset_alias_info (s); return s; } |