File: pr34139.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; 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(ptr %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>, ptr undef
  %load_mask8.i.i.i = load <16 x i8>, ptr undef
  %v.i.i.i.i = load <16 x double>, ptr %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, ptr %ptr
  unreachable
}