Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

cuda-device-triple.cu

// RUN: %clang -### -emit-llvm --cuda-device-only \
// RUN:   -nocudalib -nocudainc --offload=spirv32-unknown-unknown -c %s 2>&1 | FileCheck %s

// CHECK: "-cc1" "-triple" "spirv32-unknown-unknown" {{.*}} "-fcuda-is-device" {{.*}}