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      1 ; RUN: llc -march=x86-64 -mattr=+sse4.1 -mcpu=penryn < %s | FileCheck %s -check-prefix=CHECK-W-SSE4
      2 ; RUN: llc -march=x86-64 -mattr=-sse4.1 -mcpu=penryn < %s | FileCheck %s -check-prefix=CHECK-WO-SSE4
      3 ; Test case for r146671
      4 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"
      5 target triple = "x86_64-apple-macosx10.7"
      6 
      7 define <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 [[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: pand [[REG1]], [[REG2:%xmm.]]
     16   ; CHECK-WO-SSE4: pcmpeqb {{%xmm., }}[[REG2]]
     17   %1 = shl <16 x i8> %a, %b
     18   ret <16 x i8> %1
     19 }
     20