diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/asm-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/asm-1.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/asm-1.c b/gcc/testsuite/gcc.dg/tree-ssa/asm-1.c new file mode 100644 index 00000000000..ad92408f170 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/asm-1.c @@ -0,0 +1,16 @@ +/* Make sure that gcc understands that an in/out operand is a use as well + as a def. */ + +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-optimized" } */ + +void f() +{ + int i = 42; + int j = 63; + + asm ("": "=m"(i), "+r"(j) : "m"(i)); +} + +/* { dg-final { scan-tree-dump-times "42" 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "63" 1 "optimized" } } */ |