diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c b/gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c new file mode 100644 index 000000000..dadb16676 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c @@ -0,0 +1,36 @@ +/* { dg-do link } */ +/* { dg-options "-O2 -fipa-pta -fdump-ipa-pta-details" } */ + +static int i; +/* i should not escape here, p should point to i only. */ +/* { dg-final { scan-ipa-dump "p = { i }" "pta" } } */ +static int *p = &i; + +int j; +/* q should point to j only. */ +/* { dg-final { scan-ipa-dump "q = { j }" "pta" } } */ +static int *q = &j; + +static int k; +/* k should escape here, r should point to NONLOCAL, ESCAPED, k. */ +int *r = &k; +/* { dg-final { scan-ipa-dump "r = { ESCAPED NONLOCAL k }" "pta" } } */ + +int l; +/* s should point to NONLOCAL, ESCAPED, l. */ +int *s = &l; +/* { dg-final { scan-ipa-dump "s = { ESCAPED NONLOCAL l }" "pta" } } */ + +/* Make p and q referenced so they do not get optimized out. */ +int foo() { return &p < &q; } + +int main() +{ + return 0; +} + +/* It isn't clear if the escape if l is strictly necessary, if it were + we should have i, r and s in ESCAPED as well. */ + +/* { dg-final { scan-ipa-dump "ESCAPED = { ESCAPED NONLOCAL l k }" "pta" } } */ +/* { dg-final { cleanup-ipa-dump "pta" } } */ |