| /* { dg-do compile } */ |
| /* { dg-options "-O3 -fdump-ipa-inline-details -fno-early-inlining -fno-ipa-cp" } */ |
| struct A {virtual int foo () {return 1;}}; |
| struct B:A {virtual int foo () {return 2;}}; |
| |
| void dostuff(struct A *); |
| |
| static void |
| test (struct A *a) |
| { |
| dostuff (a); |
| if (a->foo ()!= 2) |
| __builtin_abort (); |
| } |
| |
| int main() |
| { |
| struct B a; |
| dostuff (&a); |
| test (&a); |
| } |
| /* Inlining of dostuff into main should combine polymorphic context |
| specifying Outer type:struct B offset 0 |
| with Outer type (dynamic):struct A (or a derived type) offset 0 |
| and enable devirtualization. |
| |
| Because the type is in static storage, we know it won't change type in dostuff |
| and from callstack we can tell that is is not in construction/destruction. */ |
| /* { dg-final { scan-ipa-dump "Second type is base of first" "inline" } } */ |
| /* { dg-final { scan-ipa-dump-times "Discovered a virtual call to a known target" 1 "inline" } } */ |
