diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20031106-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20031106-2.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20031106-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20031106-2.c new file mode 100644 index 000000000..73dd4ff2e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20031106-2.c @@ -0,0 +1,29 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +extern void link_error (void); + +/* Check for dead stores to a struct. */ + +struct s +{ + char d; + int a, b; + double m; +}; + +void foo (struct s* teststruct) +{ + teststruct->a = 0; + teststruct->a++; + if (teststruct->a != 1) + link_error (); +} + +/* There should be only one reference to "teststruct" and one in the function header. */ +/* { dg-final { scan-tree-dump-times "teststruct" 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" } } */ |