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": [
    "//llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp",
    "//llvm/test/CodeGen/AMDGPU/mad-mix-lo.ll",
    "//llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fmaximum.ll",
    "//llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fminimum.ll",
    "//mlir/lib/Dialect/SPIRV/IR/SPIRVCanonicalization.cpp",
    "//mlir/test/Dialect/SPIRV/Transforms/canonicalize.mlir"
  ],
  "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": []
}