Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

inline-asm-constraints-badK.ll
; RUN: not llc -mtriple=arm64-apple-ios7.0 -o - %s

define void @foo() {
  ; 32-bit bitpattern ending in 1101 can't be produced.
  call void asm sideeffect "and w0, w0, $0", "K"(i32 13)
  ret void
}