|  | ; RUN: llc -verify-machineinstrs < %s | FileCheck %s | 
|  | target datalayout = "E-m:e-i64:64-n32:64" | 
|  | target triple = "powerpc64-unknown-linux-gnu" | 
|  |  | 
|  | @m = external global i32, align 4 | 
|  |  | 
|  | ; Function Attrs: nounwind | 
|  | define signext i32 @main() #0 { | 
|  | entry: | 
|  |  | 
|  | ; CHECK-LABEL: @main | 
|  | ; CHECK-NOT: rlwimi | 
|  | ; CHECK: andi | 
|  |  | 
|  | %0 = load i32, ptr @m, align 4 | 
|  | %or = or i32 %0, 250 | 
|  | store i32 %or, ptr @m, align 4 | 
|  | %and = and i32 %or, 249 | 
|  | %sub.i = sub i32 %and, 0 | 
|  | %sext = shl i32 %sub.i, 24 | 
|  | %conv = ashr exact i32 %sext, 24 | 
|  | ret i32 %conv | 
|  | } | 
|  |  | 
|  | attributes #0 = { nounwind "target-cpu"="pwr7" } | 
|  | attributes #1 = { nounwind } | 
|  |  |