; RUN: opt < %s -instsimplify -S | FileCheck %s
define double @fdiv_of_undef(double %X) {
; CHECK: @fdiv_of_undef
; undef / X -> undef
%r = fdiv double undef, %X
ret double %r
; CHECK: ret double undef
}
define double @fdiv_by_undef(double %X) {
; CHECK: @fdiv_by_undef
; X / undef -> undef
%r = fdiv double %X, undef
ret double %r
; CHECK: ret double undef
}