diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c b/gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c new file mode 100644 index 000000000..074f44a6d --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c @@ -0,0 +1,32 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fipa-pta -fno-tree-sra -fdump-ipa-pta-details" } */ + +struct X { + int i; + void *p; +}; + +static void * __attribute__((noinline,noclone)) +foo(struct X *q, void *p) +{ + struct X b; + b.p = p; + *q = b; + return q->p; +} +extern void abort (void); +int main() +{ + struct X a, c; + void *p; + a.p = (void *)&c; + p = foo(&a, &a); + /* { dg-final { scan-ipa-dump "foo.result = { NULL a\[^ \]* c\[^ \]* }" "pta" { xfail *-*-* } } } */ + /* { dg-final { scan-ipa-dump "foo.result = { NULL a\[^ \]* a\[^ \]* c\[^ \]* }" "pta" } } */ + ((struct X *)p)->p = (void *)0; + if (a.p != (void *)0) + abort (); + return 0; +} + +/* { dg-final { cleanup-ipa-dump "pta" } } */ |