|  | ; RUN: opt -S -reassociate < %s | FileCheck %s | 
|  | ; rdar://9167457 | 
|  |  | 
|  | ; Reassociate shouldn't break this testcase involving a secondary | 
|  | ; reassociation. | 
|  |  | 
|  | ; CHECK:     define | 
|  | ; CHECK-NOT: undef | 
|  | ; CHECK:     %factor = mul i32 %tmp3, -2 | 
|  | ; CHECK-NOT: undef | 
|  | ; CHECK:     } | 
|  |  | 
|  | define void @x0f2f640ab6718391b59ce96d9fdeda54(i32 %arg, i32 %arg1, i32 %arg2, i32* %.out) nounwind { | 
|  | _: | 
|  | %tmp = sub i32 %arg, %arg1 | 
|  | %tmp3 = mul i32 %tmp, -1268345047 | 
|  | %tmp4 = add i32 %tmp3, 2014710503 | 
|  | %tmp5 = add i32 %tmp3, -1048397418 | 
|  | %tmp6 = sub i32 %tmp4, %tmp5 | 
|  | %tmp7 = sub i32 -2014710503, %tmp3 | 
|  | %tmp8 = add i32 %tmp6, %tmp7 | 
|  | store i32 %tmp8, i32* %.out | 
|  | ret void | 
|  | } |