llvm-6502/test/Transforms/InstCombine/xor-undef.ll

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep zeroinitializer

define <2 x i64> @f() {
	%tmp = xor <2 x i64> undef, undef
        ret <2 x i64> %tmp
}
Handle a special case xor undef, undef -> 0. Technically this should be transformed to undef. But this is such a common idiom (misuse) we are going to handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48791 91177308-0d34-0410-b5e6-96231b3b80d8 2008-03-25 20:07:13 +00:00			`; RUN: llvm-as < %s \| opt -instcombine \| llvm-dis \| grep zeroinitializer`

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