diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/ipa/ipa-ea-11-cast-to-void-ptr-0.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/ipa/ipa-ea-11-cast-to-void-ptr-0.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-ea-11-cast-to-void-ptr-0.c b/gcc/testsuite/gcc.dg/ipa/ipa-ea-11-cast-to-void-ptr-0.c new file mode 100644 index 00000000000..e4293d93bf9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/ipa-ea-11-cast-to-void-ptr-0.c @@ -0,0 +1,44 @@ +/* { dg-do link } */ +/* { dg-options "-flto -fipa-type-escape-analysis -fdump-ipa-type-escape-analysis -fprint-cast-analysis" } */ + +#include <stddef.h> + +struct astruct_s +{ + _Bool a; + _Bool b; + _Bool c; +}; +struct bstruct_s +{ + _Bool a; + _Bool b; + _Bool c; + _Bool d; +}; + +struct bstruct_s * +casting_to_void (struct astruct_s *s) +{ + return (struct bstruct_s *) (s); +} + +int +main () +{ + struct astruct_s astruct; + struct bstruct_s bstruct; + casting_to_void (&astruct); +} + +// The type +/* { dg-final { scan-wpa-ipa-dump " record bstruct_s .boolean_type a;boolean_type b;boolean_type c;boolean_type d;. reason: e=1 g=0 p=0 r=0 c=1 v=0 u=0 i=0" "type-escape-analysis" } } */ +/* { dg-final { scan-wpa-ipa-dump " record astruct_s .boolean_type a;boolean_type b;boolean_type c;. reason: e=1 g=0 p=0 r=0 c=1 v=0 u=0 i=0" "type-escape-analysis" } } */ +// The pointer +/* { dg-final { scan-wpa-ipa-dump " record bstruct_s .boolean_type a;boolean_type b;boolean_type c;boolean_type d;.. reason: e=1 g=0 p=0 r=0 c=1 v=0 u=0 i=0" "type-escape-analysis" } } */ +/* { dg-final { scan-wpa-ipa-dump " record astruct_s {boolean_type a;boolean_type b;boolean_type c;}* reason: e=1 g=0 p=0 r=0 c=1 v=0 u=0 i=0" "type-escape-analysis" } } */ + +// But there are incomplete types... should does be marked as escaping as well +// here? No, because at the moment, how we compute it is with the fixed point +// and at that moment, we get rid of reasons. So, at the moment, it is +// sufficient to say that only a fraction of equivalent types escape. |