PR7853: fix a silly mistake introduced in r101899, and add a test to make sure

[oota-llvm.git] / test / Transforms / InstCombine / xor-undef.ll

; RUN: opt < %s -instcombine -S | grep zeroinitializer

define <2 x i64> @f() {
        %tmp = xor <2 x i64> undef, undef
        ret <2 x i64> %tmp
}