Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

no-difference.test
RUN: llvm-remark-size-diff %p/Inputs/1-func-1-instr-1-stack.yaml %p/Inputs/1-func-1-instr-1-stack.yaml --parser=yaml | FileCheck -strict-whitespace %s

; Same file passed twice -> no changes reported.

; CHECK-NOT: {{[0-9]+}}
; CHECK: instruction count: None
; CHECK: stack byte usage: None