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 | 17 |
1 files changed, 17 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 00000000000..ef8f9607056 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/inline_asm-2.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-alias1-vops" } */ +/* Test to make sure that inline-asm causes a V_MAY_DEF. */ + + +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 V_MAY_DEF for the inline-asm and one for the link_error. */ +/* { dg-final { scan-tree-dump-times "V_MAY_DEF" 2 "alias1"} } */ |