|  | ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 -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 | 
|  | } |