diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/alias-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/alias-1.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-1.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-1.c new file mode 100644 index 00000000000..6e88eb1ce23 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-1.c @@ -0,0 +1,17 @@ +/* { dg-options "-O2 -fargument-noalias-global -fdump-tree-optimized" } */ +int f; +void link_error (); + +void g(int *i) +{ + *i = 0; + f = 1; + if (*i != 0) + link_error (); +} + + +/* We should have removed the link_error on the tree level as we told GCC + that *i cannot point to f via the option -fargument-noalias-global. */ +/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |