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Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 303bd1f..7e7e8e4 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4886,6 +4886,28 @@ pt_solution_reset (struct pt_solution *pt) pt->anything = true; } +/* Set the points-to solution *PT to point only to the variables + in VARS. */ + +void +pt_solution_set (struct pt_solution *pt, bitmap vars) +{ + bitmap_iterator bi; + unsigned i; + + memset (pt, 0, sizeof (struct pt_solution)); + pt->vars = vars; + EXECUTE_IF_SET_IN_BITMAP (vars, 0, i, bi) + { + tree var = referenced_var_lookup (i); + if (is_global_var (var)) + { + pt->vars_contains_global = true; + break; + } + } +} + /* Return true if the points-to solution *PT is empty. */ static bool |