Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s int bork(unsigned long long x) { // CHECK: llvm.cttz.i64 // CHECK: llvm.cttz.i64 // CHECK-NOT: lshr return __builtin_ctzll(x); }