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      1 ; RUN: llc < %s -march=ppc32 -o %t
      2 ; RUN: grep slwi %t
      3 ; RUN: not grep addi %t
      4 ; RUN: not grep rlwinm %t
      5 
      6 define i32 @test(i32 %A) {
      7         ;; shift
      8         %B = mul i32 %A, 8              ; <i32> [#uses=1]
      9         ;; dead, no demanded bits.
     10         %C = add i32 %B, 7              ; <i32> [#uses=1]
     11         ;; dead once add is gone.
     12         %D = and i32 %C, -8             ; <i32> [#uses=1]
     13         ret i32 %D
     14 }
     15 
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