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; RUN: opt %s -instcombine -S | not grep mul
define <2 x i8> @f(<2 x i8> %x) {
%A = mul <2 x i8> %x, <i8 1, i8 1>
ret <2 x i8> %A
}
define <2 x i8> @g(<2 x i8> %x) {
%A = mul <2 x i8> %x, <i8 -1, i8 -1>
ret <2 x i8> %A
}
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