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1; RUN: llc -mattr=+sse4.1 -mcpu=penryn < %s | FileCheck %s -check-prefix=CHECK-W-SSE4
2; RUN: llc -mattr=-sse4.1 -mcpu=penryn < %s | FileCheck %s -check-prefix=CHECK-WO-SSE4
3; Test case for r146671
4target 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"
5target triple = "x86_64-apple-macosx10.7"
6
7define <16 x i8> @shift(<16 x i8> %a, <16 x i8> %b) nounwind {
8  ; Make sure operands to pblend are in the right order.
9  ; CHECK-W-SSE4: psllw $4, [[REG1:%xmm.]]
10  ; CHECK-W-SSE4: pblendvb %xmm0, [[REG1]],{{ %xmm.}}
11  ; CHECK-W-SSE4: psllw $2
12
13  ; Make sure we're masking and pcmp'ing the VSELECT conditon vector.
14  ; CHECK-WO-SSE4: psllw $5, [[REG1:%xmm.]]
15  ; CHECK-WO-SSE4: pxor [[REG2:%xmm.]], [[REG2:%xmm.]]
16  ; CHECK-WO-SSE4: pcmpgtb {{%xmm., }}[[REG2]]
17  %1 = shl <16 x i8> %a, %b
18  ret <16 x i8> %1
19}
20