Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep fmr define double @test(float %F) { %F.upgrd.1 = fpext float %F to double ; <double> [#uses=1] ret double %F.upgrd.1 }