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| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20080522-1.c | 43 |
2 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 51daefa9b4d..e954cd5fa59 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2008-05-22 Richard Guenther <rguenther@suse.de> + * gcc.c-torture/execute/20080522-1.c: New testcase. + +2008-05-22 Richard Guenther <rguenther@suse.de> + * gcc.dg/tree-ssa/alias-18.c: New testcase. 2008-05-22 Arnaud Charlet <charlet@adacore.com> diff --git a/gcc/testsuite/gcc.c-torture/execute/20080522-1.c b/gcc/testsuite/gcc.c-torture/execute/20080522-1.c new file mode 100644 index 00000000000..75bc533f557 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20080522-1.c @@ -0,0 +1,43 @@ +/* This testcase is to make sure we have i in referenced vars and that we + properly compute aliasing for the loads and stores. */ + +extern void abort (void); + +static int i; +static int *p = &i; + +int __attribute__((noinline)) +foo(int *q) +{ + *p = 1; + *q = 2; + return *p; +} + +int __attribute__((noinline)) +bar(int *q) +{ + *q = 2; + *p = 1; + return *q; +} + +int main() +{ + int j = 0; + + if (foo(&i) != 2) + abort (); + if (bar(&i) != 1) + abort (); + if (foo(&j) != 1) + abort (); + if (j != 2) + abort (); + if (bar(&j) != 2) + abort (); + if (j != 2) + abort (); + + return 0; +} |
