1 ; RUN: llc < %s -march=x86-64 -mattr=sse41 | FileCheck %s 2 3 define <8 x i16> @shuf6(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone { 4 ; CHECK: pshufb 5 ; CHECK-NOT: pshufb 6 ; CHECK: ret 7 entry: 8 %tmp9 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 3, i32 2, i32 0, i32 2, i32 1, i32 5, i32 6 , i32 undef > 9 ret <8 x i16> %tmp9 10 } 11 12 define <8 x i16> @shuf7(<8 x i16> %t0) { 13 ; CHECK: pshufd 14 %tmp10 = shufflevector <8 x i16> %t0, <8 x i16> undef, <8 x i32> < i32 undef, i32 2, i32 2, i32 2, i32 2, i32 2, i32 undef, i32 undef > 15 ret <8 x i16> %tmp10 16 } 17
