diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20040911-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20040911-1.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040911-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040911-1.c new file mode 100644 index 000000000..f17e98aed --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20040911-1.c @@ -0,0 +1,22 @@ +/* Verify that points-to information is handled properly for PTR + OFFSET + pointer arithmetics. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-alias-vops" } */ + +char buf[4], *q; +int foo (int i) +{ + char c, *p; + q = &c; + p = buf; + if (i) + p = p + 3; + else + p = p + 2; + *p = 6; + c = 8; + return *p; +} + +/* { dg-final { scan-tree-dump-not "VUSE <c" "alias" } } */ +/* { dg-final { cleanup-tree-dump "alias" } } */ |