Fix crash introduced in 116852.  8573915.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116955 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb2/buildvector-crash.ll b/test/CodeGen/Thumb2/buildvector-crash.ll
new file mode 100644
index 0000000..01ef472
--- /dev/null
+++ b/test/CodeGen/Thumb2/buildvector-crash.ll
@@ -0,0 +1,17 @@
+; RUN: llc < %s -O3 -mtriple=thumbv7-apple-darwin10 -mcpu=cortex-a8 | FileCheck %s
+; Formerly crashed, 3573915.
+
+define void @RotateStarsFP_Vec() nounwind {
+bb.nph372:
+  br label %bb8
+
+bb8:                                              ; preds = %bb8, %bb.nph372
+  %0 = fadd <4 x float> undef, <float 0xBFEE353F80000000, float 0xBFEE353F80000000, float 0xBFEE353F80000000, float 0xBFEE353F80000000>
+  %1 = fmul <4 x float> %0, undef
+  %2 = fmul <4 x float> %1, undef
+  %3 = fadd <4 x float> undef, %2
+  store <4 x float> %3, <4 x float>* undef, align 4
+  br label %bb8
+; CHECK: RotateStarsFP_Vec:
+; CHECK: vldmia
+}