gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp",
    "//llvm/lib/Target/AMDGPU/SIPeepholeSDWA.cpp",
    "//llvm/test/CodeGen/AArch64/load.ll",
    "//llvm/test/CodeGen/AMDGPU/sdwa-preserve.mir",
    "//llvm/test/Transforms/LoopVectorize/no-fold-tail-by-masking-iv-external-uses.ll",
    "//mlir/CMakeLists.txt",
    "//mlir/include/mlir/Config/mlir-config.h.cmake",
    "//mlir/include/mlir/InitAllPasses.h",
    "//mlir/lib/Dialect/GPU/Pipelines/GPUToNVVMPipeline.cpp",
    "//mlir/lib/Dialect/GPU/Transforms/ModuleToBinary.cpp",
    "//mlir/lib/Target/LLVM/NVVM/Target.cpp",
    "//mlir/lib/Target/LLVMIR/ModuleTranslation.cpp",
    "//mlir/test/Target/LLVMIR/attribute-alias-scopes.mlir",
    "//mlir/unittests/Target/LLVM/SerializeNVVMTarget.cpp",
    "//utils/bazel/llvm-project-overlay/mlir/BUILD.bazel",
    "//utils/bazel/llvm-project-overlay/mlir/test/BUILD.bazel"
  ],
  "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": []
}