gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang-rt/lib/cuda/allocatable.cpp",
    "//flang-rt/lib/cuda/pointer.cpp",
    "//llvm/test/CodeGen/RISCV/select-const.ll",
    "//llvm/test/MC/AMDGPU/gfx12_asm_sop2.s",
    "//llvm/test/MC/AMDGPU/gfx12_asm_sopc.s",
    "//llvm/test/MC/AMDGPU/gfx12_asm_vop3_err.s",
    "//llvm/test/MC/AMDGPU/gfx12_err.s",
    "//llvm/test/MC/AMDGPU/gfx12_unsupported.s",
    "//llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop3_dpp16.txt",
    "//llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop3_dpp8.txt",
    "//llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_sop2.txt",
    "//llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_sopc.txt"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}