diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/inline_asm-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/inline_asm-2.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/inline_asm-2.c b/gcc/testsuite/gcc.dg/tree-ssa/inline_asm-2.c new file mode 100644 index 000000000..6b347c41e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/inline_asm-2.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-alias-vops" } */ +/* Test to make sure that inline-asm causes a VDEF. */ + + +void link_error(); +void f(char *a) +{ + int *a1 = (int *)a; + if (*a == 0) + asm("":"=m"(*a1)); + if (*a == 0) + link_error (); +} + +/* There should a VDEF for the inline-asm and one for the link_error. */ +/* { dg-final { scan-tree-dump-times "VDEF" 2 "alias"} } */ +/* { dg-final { cleanup-tree-dump "alias" } } */ |