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1; RUN: opt < %s -passes=instcombine -S | not grep mul2 3define <2 x i8> @f(<2 x i8> %x) {4 %A = mul <2 x i8> %x, <i8 1, i8 1>5 ret <2 x i8> %A6}7 8define <2 x i8> @g(<2 x i8> %x) {9 %A = mul <2 x i8> %x, <i8 -1, i8 -1>10 ret <2 x i8> %A11}12