Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

darwin-reloc-addsubimm.s
// RUN: llvm-mc -triple=aarch64-darwin -filetype=obj %s -o - | \
// RUN:   llvm-objdump -r -d - | FileCheck --check-prefix=OBJ %s

// OBJ-LABEL: Disassembly of section __TEXT,__text:

  add x2, x3, _data@pageoff
// OBJ: [[addr:[0-9a-f]+]]: 91000062 add x2, x3, #0
// OBJ-NEXT: [[addr]]: ARM64_RELOC_PAGEOFF12	_data

  add x2, x3, #_data@pageoff, lsl #12
// OBJ: [[addr:[0-9a-f]+]]: 91400062 add x2, x3, #0, lsl #12
// OBJ-NEXT: [[addr]]: ARM64_RELOC_PAGEOFF12	_data