| ; RUN: opt < %s -passes=instcombine -S | grep icmp | |
| ; PR1678 | |
| @A = weak alias void (), ptr @B ; <ptr> [#uses=1] | |
| define weak void @B() { | |
| ret void | |
| } | |
| define i32 @active() { | |
| entry: | |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] | |
| %tmp1 = icmp ne ptr @A, null ; <i1> [#uses=1] | |
| %tmp12 = zext i1 %tmp1 to i32 ; <i32> [#uses=1] | |
| ret i32 %tmp12 | |
| } |