; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: not grep undef
define i32 @test(i8 %A) {
%B = sext i8 %A to i32 ; <i32> [#uses=1]
%C = ashr i32 %B, 8 ; <i32> [#uses=1]
ret i32 %C
}