|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=knl | FileCheck %s | 
|  |  | 
|  | define void @f_f(<16 x double>* %ptr) { | 
|  | ; CHECK-LABEL: f_f: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vpcmpeqd %xmm0, %xmm0, %xmm0 | 
|  | ; CHECK-NEXT:    vmovdqa %xmm0, (%rax) | 
|  | store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* undef | 
|  | %load_mask8.i.i.i = load <16 x i8>, <16 x i8>* undef | 
|  | %v.i.i.i.i = load <16 x double>, <16 x double>* %ptr | 
|  | %mask_vec_i1.i.i.i51.i.i = icmp ne <16 x i8> %load_mask8.i.i.i, zeroinitializer | 
|  | %v1.i.i.i.i = select <16 x i1> %mask_vec_i1.i.i.i51.i.i, <16 x double> undef, <16 x double> %v.i.i.i.i | 
|  | store <16 x double> %v1.i.i.i.i, <16 x double>* %ptr | 
|  | unreachable | 
|  | } |