; RUN: opt -S -passes=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, ptr %.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, ptr %.out
ret void
}