Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

pr30284.ll
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-unknown-linux-gnu -mattr=avx512dq | FileCheck %s

define void @undef_cond() {
; CHECK-LABEL: undef_cond:
; CHECK:       # %bb.0:
; CHECK-NEXT:    retl
  %a_load22 = load <16 x i64>, ptr null, align 1
  %bitop = or <16 x i64> %a_load22, <i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736>
  %v.i = load <16 x i64>, ptr null
  %v1.i41 = select <16 x i1> undef, <16 x i64> %bitop, <16 x i64> %v.i
  store <16 x i64> %v1.i41, ptr null
  ret void
}

define void @f_f___un_3C_unf_3E_un_3C_unf_3E_(<16 x i1> %x) {
; CHECK-LABEL: f_f___un_3C_unf_3E_un_3C_unf_3E_:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpmovsxbd %xmm0, %zmm0
; CHECK-NEXT:    vpslld $31, %zmm0, %zmm0
; CHECK-NEXT:    vpmovd2m %zmm0, %k1
; CHECK-NEXT:    vmovapd 0, %zmm0
; CHECK-NEXT:    vmovapd 64, %zmm1
; CHECK-NEXT:    vbroadcastsd {{.*#+}} zmm2 = [68719476736,68719476736,68719476736,68719476736,68719476736,68719476736,68719476736,68719476736]
; CHECK-NEXT:    kshiftrw $8, %k1, %k2
; CHECK-NEXT:    vorpd %zmm2, %zmm1, %zmm1 {%k2}
; CHECK-NEXT:    vorpd %zmm2, %zmm0, %zmm0 {%k1}
; CHECK-NEXT:    vmovapd %zmm0, 0
; CHECK-NEXT:    vmovapd %zmm1, 64
; CHECK-NEXT:    vzeroupper
; CHECK-NEXT:    retl
  %a_load22 = load <16 x i64>, ptr null, align 1
  %bitop = or <16 x i64> %a_load22, <i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736, i64 68719476736>
  %v.i = load <16 x i64>, ptr null
  %v1.i41 = select <16 x i1> %x, <16 x i64> %bitop, <16 x i64> %v.i
  store <16 x i64> %v1.i41, ptr null
  ret void
}