Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc -march=mips -mattr=single-float < %s | FileCheck %s define double @dofloat(float %a) nounwind { entry: ; CHECK: __extendsfdf2 fpext float %a to double ; <double>:0 [#uses=1] ret double %0 }