--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/Thumb2/2010-04-15-DynAllocBug.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,18 @@
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -O3 | FileCheck %s
+; rdar://7493908
+
+; Make sure the result of the first dynamic_alloc isn't copied back to sp more
+; than once. We'll deal with poor codegen later.
+
+define void @t() nounwind ssp {
+entry:
+; CHECK-LABEL: t:
+  %size = mul i32 8, 2
+; CHECK:  sub.w  r0, sp, #16
+; CHECK:  mov sp, r0
+  %vla_a = alloca i8, i32 %size, align 8
+; CHECK:  sub.w  r0, sp, #16
+; CHECK:  mov sp, r0
+  %vla_b = alloca i8, i32 %size, align 8
+  unreachable
+}