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/Transforms/Utils/InjectTLIMappings.cpp",
    "//llvm/test/Transforms/Util/add-TLI-mappings.ll",
    "//mlir/lib/Dialect/Vector/IR/VectorOps.cpp",
    "//mlir/test/Dialect/Linalg/transform-op-peel-and-vectorize-conv.mlir",
    "//mlir/test/Dialect/Vector/canonicalize.mlir",
    "//mlir/test/Dialect/Vector/canonicalize/vector-from-elements.mlir",
    "//mlir/test/Dialect/Vector/canonicalize/vector-to-shape-cast.mlir",
    "//mlir/test/Dialect/Vector/vector-transfer-to-vector-load-store.mlir",
    "//mlir/test/Dialect/Vector/vector-warp-distribute.mlir"
  ],
  "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": []
}