1; RUN: llc < %s -march=x86-64 -mattr=sse41 | FileCheck %s
2
3define <8 x i16> @shuf6(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
4; CHECK: pshufb
5; CHECK-NOT: pshufb
6; CHECK: ret
7entry:
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
12define <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