Do not use MEMBARRIER_MCR for any Thumb code.
It is only supported for ARM code. Normally Thumb2 code would use DMB instead,
but depending on how the compiler is invoked (e.g., -mattr=-db) that might be
disabled. This prevents a "cannot select MEMBARRIER_MCR" error in that
situation. Radar 8644195
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118642 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb/barrier.ll b/test/CodeGen/Thumb/barrier.ll
index cab658e..419c3ba 100644
--- a/test/CodeGen/Thumb/barrier.ll
+++ b/test/CodeGen/Thumb/barrier.ll
@@ -1,4 +1,5 @@
; 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 -mattr=+v6m | FileCheck %s -check-prefix=V6M
declare void @llvm.memory.barrier(i1 , i1 , i1 , i1 , i1)