1; RUN: llc < %s -march=x86 -mcpu=corei7 | FileCheck %s 2 3;CHECK-LABEL: addXX_test: 4;CHECK: padd 5;CHECK: ret 6 7 8define <16 x i8> @addXX_test(<16 x i8> %a) { 9 %b = add <16 x i8> %a, %a 10 ret <16 x i8> %b 11} 12 13;CHECK-LABEL: instcombine_test: 14;CHECK: padd 15;CHECK: ret 16define <16 x i8> @instcombine_test(<16 x i8> %a) { 17 %b = shl <16 x i8> %a, <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1> 18 ret <16 x i8> %b 19} 20 21