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      1 ; RUN: opt < %s -gvn -S | not grep tmp2
      2 ; PR2213
      3 
      4 define i32* @f(i8* %x) {
      5 entry:
      6         %tmp = call i8* @m( i32 12 )            ; <i8*> [#uses=2]
      7         %tmp1 = bitcast i8* %tmp to i32*                ; <i32*> [#uses=0]
      8         %tmp2 = bitcast i8* %tmp to i32*                ; <i32*> [#uses=0]
      9         ret i32* %tmp2
     10 }
     11 
     12 declare i8* @m(i32)
     13