|  | ; RUN: llc < %s -mtriple=x86_64-apple-macosx -pre-RA-sched=source | FileCheck %s | 
|  |  | 
|  | ; Teach two-address pass to update the "source" map so it doesn't perform a | 
|  | ; non-profitable commute using outdated info. The test case would still fail | 
|  | ; because of poor pre-RA schedule. That will be fixed by MI scheduler. | 
|  | ; rdar://11472010 | 
|  | define i32 @t(i32 %mask) nounwind readnone ssp { | 
|  | entry: | 
|  | ; CHECK-LABEL: t: | 
|  | ; CHECK-NOT: mov | 
|  | %sub = add i32 %mask, -65535 | 
|  | %shr = lshr i32 %sub, 23 | 
|  | %and = and i32 %mask, 1 | 
|  | %add = add i32 %shr, %and | 
|  | ret i32 %add | 
|  | } |