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+; RUN: firrtl -i %s -o %s.out -X firrtl && cat %s.out | FileCheck %s
+circuit GCD :
+ module GCD :
+ input a : UInt<63>
+ input b : UInt<63>
+ input sign : UInt<1>
+ output d : UInt
+ ;wire T_205 : UInt
+ node T_203 = UInt<6>("h3f")
+ node normCount = not(T_203)
+ node absIn = mux(sign, a, b)
+ node T_205 = dshl(absIn, normCount)
+ d <= T_205
+