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; RUN: llvm-as %s -o - | opt -instcombine | llvm-dis | grep zext
; PR1261.
define i16 @test(i31 %zzz) {
%A = sext i31 %zzz to i32
%B = add i32 %A, 16384
%C = lshr i32 %B, 15
%D = trunc i32 %C to i16
ret i16 %D
}
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