; RUN: llc < %s -mtriple=i686--
; PR3686
; rdar://6661799
define i32 @x(i32 %y) nounwind readnone {
entry:
%tmp14 = zext i32 %y to i80 ; <i80> [#uses=1]
%tmp15 = bitcast i80 %tmp14 to x86_fp80 ; <x86_fp80> [#uses=1]
%add = fadd x86_fp80 %tmp15, 0xK3FFF8000000000000000 ; <x86_fp80> [#uses=1]
%tmp11 = bitcast x86_fp80 %add to i80 ; <i80> [#uses=1]
%tmp10 = trunc i80 %tmp11 to i32 ; <i32> [#uses=1]
ret i32 %tmp10
}