Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

float-to-ptr-cast.ll
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s

define ptr @test1() {
        %X = inttoptr i64 0 to ptr             ; <ptr> [#uses=1]
        ret ptr %X
}

; CHECK:  ret ptr null

define ptr @test2() {
        ret ptr null
}

; CHECK:  ret ptr null