diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/forwprop-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/forwprop-7.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-7.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-7.c new file mode 100644 index 000000000..0d2bac521 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-7.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-forwprop1 -W -Wall" } */ + +int i; +int foo(void) +{ + volatile int *p = (volatile int *)&i; + return *p + *p; +} + +/* We should not convert the cast to a VCE in forwprop1 as we have a + volatile reference. */ + +/* { dg-final { scan-tree-dump-times "VIEW_CONVERT_EXPR" 0 "forwprop1"} } */ +/* { dg-final { scan-tree-dump-times "={v}" 2 "forwprop1"} } */ +/* { dg-final { cleanup-tree-dump "forwprop1" } } */ |