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      1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10
      2 ; This formerly got DagCombine into a loop, PR 8916.
      3 
      4 define i32 @foo(i64 %x, i64 %y, i64 %z, i32 %a, i32 %b) {
      5 entry:
      6   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
      7   %t1 = shl i64 %x, 15
      8   %t2 = and i64 %t1, 4294934528
      9   %t3 = or i64 %t2, %y
     10   %t4 = xor i64 %z, %t3
     11   %t5 = trunc i64 %t4 to i32
     12   %t6 = add i32 %a, %t5
     13   %t7 = add i32 %t6, %b
     14   ret i32 %t7
     15 }
     16