Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2008-01-06-VoidCast.ll
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define void @f(i16 %y) {
  ret void
}

define i32 @g(i32 %y) {
; CHECK-LABEL: @g(
; CHECK: call i32 bitcast
  %x = call i32 bitcast (void (i16)* @f to i32 (i32)*)( i32 %y )		; <i32> [#uses=1]
  ret i32 %x
}