; RUN: opt < %s -passes=instcombine -S | grep zeroinitializer
define <2 x i64> @f() {
%tmp = xor <2 x i64> undef, undef
ret <2 x i64> %tmp
}
; RUN: opt < %s -passes=instcombine -S | grep zeroinitializer
define <2 x i64> @f() {
%tmp = xor <2 x i64> undef, undef
ret <2 x i64> %tmp
}