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/NVPTX/NVPTXISelLowering.cpp",
    "//llvm/test/CodeGen/NVPTX/f16-abs.ll",
    "//mlir/include/mlir/Dialect/Affine/IR/AffineOps.td",
    "//mlir/include/mlir/Dialect/Affine/Utils.h",
    "//mlir/lib/Dialect/Affine/IR/AffineOps.cpp",
    "//mlir/lib/Dialect/Affine/Transforms/AffineExpandIndexOps.cpp",
    "//mlir/lib/Dialect/Affine/Utils/Utils.cpp",
    "//mlir/test/Dialect/Affine/affine-expand-index-ops.mlir",
    "//mlir/test/Dialect/Affine/canonicalize.mlir",
    "//mlir/test/Dialect/Affine/invalid.mlir",
    "//mlir/test/python/dialects/affine.py"
  ],
  "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": []
}