Add LLVM support for Swift.

llvm-svn: 164899
diff --git a/llvm/test/CodeGen/ARM/ldr_pre.ll b/llvm/test/CodeGen/ARM/ldr_pre.ll
index e904e5f..6c40ad7 100644
--- a/llvm/test/CodeGen/ARM/ldr_pre.ll
+++ b/llvm/test/CodeGen/ARM/ldr_pre.ll
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -march=arm | FileCheck %s
+; RUN: llc < %s -march=arm -mcpu=swift | FileCheck %s
 
 ; CHECK: test1:
 ; CHECK: ldr {{.*!}}