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1; RUN: opt < %s -passes=instcombine -S | grep icmp2; PR16783 4@A = weak alias void (), ptr @B ; <ptr> [#uses=1]5 6define weak void @B() {7 ret void8}9 10define i32 @active() {11entry:12 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]13 %tmp1 = icmp ne ptr @A, null ; <i1> [#uses=1]14 %tmp12 = zext i1 %tmp1 to i32 ; <i32> [#uses=1]15 ret i32 %tmp1216}17