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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang-tools-extra/docs/ReleaseNotes.rst",
    "//clang/lib/Basic/Targets.cpp",
    "//clang/lib/Driver/ToolChains/NetBSD.cpp",
    "//clang/lib/Headers/hlsl/hlsl_detail.h",
    "//clang/lib/Headers/hlsl/hlsl_intrinsics.h",
    "//clang/test/CodeGenHLSL/builtins/distance.hlsl",
    "//clang/test/Driver/netbsd.c",
    "//clang/test/SemaHLSL/BuiltIns/distance-errors.hlsl",
    "//libcxx/include/__locale",
    "//libcxx/include/__support/xlocale/__posix_l_fallback.h",
    "//libcxx/src/locale.cpp",
    "//lldb/examples/python/crashlog.py",
    "//lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp",
    "//llvm/docs/AMDGPUUsage.rst",
    "//llvm/lib/Target/AMDGPU/AMDGPU.h",
    "//llvm/lib/Target/AMDGPU/AMDGPUArgumentUsageInfo.h",
    "//llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUPreloadKernArgProlog.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUPreloadKernArgProlog.h",
    "//llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp",
    "//llvm/lib/Target/AMDGPU/CMakeLists.txt",
    "//llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp",
    "//llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h",
    "//llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp",
    "//llvm/test/CodeGen/AMDGPU/llc-pipeline.ll",
    "//llvm/test/CodeGen/AMDGPU/preload-implicit-kernargs.ll",
    "//llvm/test/CodeGen/AMDGPU/preload-kernarg-header.ll",
    "//llvm/test/CodeGen/AMDGPU/preload-kernargs.ll",
    "//llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn"
  ],
  "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": []
}
running all tests due to change to blacklisted file