Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2004-11-30-shr-var-crash.ll
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32--

define void @main() {
        %shamt = add i8 0, 1            ; <i8> [#uses=1]
        %shift.upgrd.1 = zext i8 %shamt to i64          ; <i64> [#uses=1]
        %tr2 = ashr i64 1, %shift.upgrd.1               ; <i64> [#uses=0]
        ret void
}