diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/pta-callused-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/pta-callused-1.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pta-callused-1.c b/gcc/testsuite/gcc.dg/torture/pta-callused-1.c new file mode 100644 index 000000000..dfbde86c6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pta-callused-1.c @@ -0,0 +1,25 @@ +/* { dg-do run } */ +/* { dg-options "-fdump-tree-alias" } */ +/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */ + +volatile int i; +int ** __attribute__((noinline,pure)) foo(int **p) { i; return p; } +int bar(void) +{ + int i = 0, j = 1; + int *p, **q; + p = &i; + q = foo(&p); + *q = &j; + return *p; +} +extern void abort (void); +int main() +{ + if (bar() != 1) + abort (); + return 0; +} + +/* { dg-final { scan-tree-dump "p.._., points-to vars: { i j }" "alias" } } */ +/* { dg-final { cleanup-tree-dump "alias" } } */ |