-; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=V6
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=-db | FileCheck %s -check-prefix=V6
-; RUN: llc < %s -march=thumb -mcpu=cortex-m0 | FileCheck %s -check-prefix=V6M
+; RUN: llc -mtriple=thumbv6-apple-darwin %s -o - | FileCheck %s -check-prefix=V6
+; RUN: llc -mtriple=thumbv7-apple-darwin -mattr=-db %s -o - | FileCheck %s -check-prefix=V6
+; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m0 %s -o - | FileCheck %s -check-prefix=V6M
define void @t1() {
; V6-LABEL: t1:
; V6: blx {{_*}}sync_synchronize
; V6M-LABEL: t1:
-; V6M: dmb ish
+; V6M: dmb sy
fence seq_cst
ret void
}