|  | ; RUN: llc -march=x86-64 -mattr=+sse41 -mcpu=penryn < %s | FileCheck %s -check-prefix=CHECK-W-SSE4 | 
|  | ; RUN: llc -march=x86-64 -mattr=-sse41 -mcpu=penryn < %s | FileCheck %s -check-prefix=CHECK-WO-SSE4 | 
|  | ; 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 { | 
|  | ; Make sure operands to pblend are in the right order. | 
|  | ; CHECK-W-SSE4: psllw $4, [[REG1:%xmm.]] | 
|  | ; CHECK-W-SSE4: pblendvb [[REG1]],{{ %xmm.}} | 
|  | ; CHECK-W-SSE4: psllw $2 | 
|  |  | 
|  | ; Make sure we're masking and pcmp'ing the VSELECT conditon vector. | 
|  | ; CHECK-WO-SSE4: psllw $5, [[REG1:%xmm.]] | 
|  | ; CHECK-WO-SSE4: pand [[REG1]], [[REG2:%xmm.]] | 
|  | ; CHECK-WO-SSE4: pcmpeqb {{%xmm., }}[[REG2]] | 
|  | %1 = shl <16 x i8> %a, %b | 
|  | ret <16 x i8> %1 | 
|  | } |