Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

arm64-vcvtxd_f32_f64.ll
; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s

define float @fcvtxn(double %a) {
; CHECK-LABEL: fcvtxn:
; CHECK: fcvtxn s0, d0
; CHECK-NEXT: ret
  %vcvtxd.i = tail call float @llvm.aarch64.sisd.fcvtxn(double %a) nounwind
  ret float %vcvtxd.i
}

declare float @llvm.aarch64.sisd.fcvtxn(double) nounwind readnone