diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20031106-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20031106-1.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20031106-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20031106-1.c new file mode 100644 index 000000000..fea5aaf08 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20031106-1.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +extern void link_error (void); + +/* Check for dead stores to an array. */ + +void foo (int testarray[]) +{ + testarray[0] = 0; + testarray[0]++; + if (testarray[0] != 1) + link_error (); +} + +/* There should be only one reference to "testarray" and one in the function header. */ +/* { dg-final { scan-tree-dump-times "testarray" 2 "optimized" } } */ + +/* There should be no link_error calls. */ +/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |