; RUN: llc < %s -march=x86 define i32 @t() nounwind { entry: %tmp54 = add i32 0, 1 ; <i32> [#uses=1] br i1 false, label %bb71, label %bb77 bb71: ; preds = %entry %tmp74 = shl i32 %tmp54, 1 ; <i32> [#uses=1] %tmp76 = ashr i32 %tmp74, 3 ; <i32> [#uses=1] br label %bb77 bb77: ; preds = %bb71, %entry %payLoadSize.0 = phi i32 [ %tmp76, %bb71 ], [ 0, %entry ] ; <i32> [#uses=0] unreachable }