PR9139: Specify ARM/Darwin triple for vector-DAGCombine.ll test.

The i64_buildvector test in this file relies on the alignment of i64 and
f64 types being the same, which is true for Darwin but not AAPCS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125525 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/vector-DAGCombine.ll b/test/CodeGen/ARM/vector-DAGCombine.ll
index a889403..3ab0cfc 100644
--- a/test/CodeGen/ARM/vector-DAGCombine.ll
+++ b/test/CodeGen/ARM/vector-DAGCombine.ll
@@ -1,7 +1,7 @@
-; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
+; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s
 
 ; PR7158
-define arm_aapcs_vfpcc i32 @test_pr7158() nounwind {
+define i32 @test_pr7158() nounwind {
 bb.nph55.bb.nph55.split_crit_edge:
   br label %bb3