gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "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"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.cpp",
    "//llvm/test/CodeGen/AMDGPU/amdpal-cs.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal-es.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal-gs.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal-hs.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal-ls.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal-psenable.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal-vs.ll",
    "//llvm/test/CodeGen/AMDGPU/amdpal.ll",
    "//llvm/test/CodeGen/AMDGPU/elf-notes.ll",
    "//llvm/test/CodeGen/AMDGPU/pal-metadata-3.0.ll",
    "//llvm/test/CodeGen/AMDGPU/wave_dispatch_regs.ll"
  ],
  "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": []
}