gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/lib/CIR/CodeGen/CIRGenAtomic.cpp",
    "//clang/test/CIR/CodeGenCUDA/global-addrspace-cast.cu",
    "//clang/test/CIR/CodeGenCUDA/norecurse.cu",
    "//clang/test/CIR/CodeGenCUDA/vtable-host-device.cu",
    "//clang/test/CIR/CodeGenHIP/amdgcnspirv-atomic-scope.hip",
    "//clang/test/CIR/CodeGenHIP/amdgpu-workgroup-size.hip",
    "//clang/test/CIR/CodeGenHIP/inline-asm-multi-output-addrspace.hip",
    "//clang/test/CIR/CodeGenHIP/lambda-reference-var.hip",
    "//clang/test/CIR/CodeGenOpenCL/kernel-calling-conv.cl",
    "//clang/test/CIR/CodeGenOpenMP/non-openmp-code.cpp",
    "//clang/test/CIR/CodeGenOpenMP/target-parallel.c",
    "//clang/test/CIR/CodeGenSYCL/embed-offload-object.cpp",
    "//clang/test/CIR/Lowering/opaque-pointer-address-spaces.cir",
    "//clang/test/CIR/Lowering/unlowered-address-spaces.cir",
    "//clang/test/CIR/Transforms/target-lowering.cir"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}