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; RUN: opt %s -instcombine | llvm-dis | grep {ret i32 0}
; PR4487
; Bitcasts between vectors and scalars are valid, despite being ill-advised.
define i32 @test(i64 %a) {
bb20:
%t1 = bitcast i64 %a to <2 x i32>
%t2 = bitcast i64 %a to <2 x i32>
%t3 = xor <2 x i32> %t1, %t2
%t4 = extractelement <2 x i32> %t3, i32 0
ret i32 %t4
}
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