; RUN: llc -march=x86-64 -mcpu=corei7 < %s | FileCheck %s
; Test case for r146671
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.7"

define <16 x i8> @shift(<16 x i8> %a, <16 x i8> %b) nounwind {
  ; CHECK: psllw $4, [[REG:%xmm.]]
  ; CHECK-NEXT: movdqa
  ; CHECK-NEXT: pblendvb [[REG]],{{ %xmm.}}
  %1 = shl <16 x i8> %a, %b
  ret <16 x i8> %1
}