diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c b/gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c new file mode 100644 index 000000000..a56e71a4a --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c @@ -0,0 +1,50 @@ +/* { dg-do run } */ +/* { dg-options "-O -fipa-pta -fdump-ipa-pta-details" } */ + +static int __attribute__((noinline)) +foo (int *p, int *q) +{ + *p = 2; + *q = 1; + return *p; +} + +static int __attribute__((noinline)) +bar (int *p, int *q) +{ + *p = -2; + *q = -1; + return *p; +} + +static int __attribute__((noinline,noclone)) +foobar (int foo_p) +{ + int a; + int (*fn)(int *, int *); + if (foo_p) + fn = foo; + else + fn = bar; + return (*fn)(&a, &a); +} + +extern void abort (void); + +int main() +{ + if (foobar (1) != 1) + abort (); + + return 0; +} + +/* IPA PTA needs to handle indirect calls properly. Verify that + both bar and foo get a (and only a) in their arguments points-to sets. */ + +/* { dg-final { scan-ipa-dump "fn_1 = { bar foo }" "pta" } } */ +/* { dg-final { scan-ipa-dump "bar.arg0 = { a }" "pta" } } */ +/* { dg-final { scan-ipa-dump "bar.arg1 = { a }" "pta" } } */ +/* { dg-final { scan-ipa-dump "foo.arg0 = { a }" "pta" } } */ +/* { dg-final { scan-ipa-dump "foo.arg1 = { a }" "pta" } } */ +/* { dg-final { cleanup-ipa-dump "pta" } } */ |