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/lib/Sema/SemaDecl.cpp",
    "//llvm/lib/Analysis/InstructionSimplify.cpp",
    "//llvm/lib/Analysis/ValueTracking.cpp",
    "//llvm/test/Transforms/InstSimplify/call.ll",
    "//llvm/test/Transforms/InstSimplify/subnuw-with-xor.ll",
    "//llvm/utils/TableGen/Common/CodeGenSchedule.cpp",
    "//mlir/examples/transform-opt/mlir-transform-opt.cpp",
    "//mlir/include/mlir/Analysis/DataFlow/SparseAnalysis.h",
    "//mlir/include/mlir/IR/Matchers.h",
    "//mlir/include/mlir/IR/OpDefinition.h",
    "//mlir/include/mlir/Interfaces/DataLayoutInterfaces.td",
    "//mlir/include/mlir/Pass/AnalysisManager.h",
    "//mlir/lib/Analysis/DataFlowFramework.cpp",
    "//mlir/lib/AsmParser/Parser.cpp",
    "//mlir/lib/Bytecode/Writer/IRNumbering.h",
    "//mlir/lib/Tools/mlir-pdll-lsp-server/PDLLServer.cpp",
    "//mlir/lib/Tools/tblgen-lsp-server/TableGenServer.cpp",
    "//mlir/lib/Transforms/Utils/FoldUtils.cpp",
    "//mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp"
  ],
  "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": []
}