Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: llvm-mc -arch=hexagon -filetype=obj %s -o - | llvm-objdump -r - | FileCheck %s if (p0) call foo #CHECK: R_HEX_B32_PCREL_X #CHECK: R_HEX_B15_PCREL_X