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/Analysis/ConstantFolding.cpp",
    "//llvm/lib/Analysis/IVDescriptors.cpp",
    "//llvm/lib/Analysis/InlineCost.cpp",
    "//llvm/lib/Analysis/ModuleSummaryAnalysis.cpp",
    "//llvm/lib/Analysis/StackSafetyAnalysis.cpp",
    "//llvm/lib/Analysis/ValueTracking.cpp",
    "//llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp",
    "//llvm/lib/CodeGen/GlobalMerge.cpp",
    "//llvm/lib/CodeGen/InterleavedAccessPass.cpp",
    "//llvm/lib/TableGen/TGParser.cpp",
    "//llvm/lib/Target/ARM/ARMISelLowering.cpp",
    "//llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp",
    "//llvm/lib/Transforms/IPO/FunctionImport.cpp",
    "//llvm/lib/Transforms/IPO/GlobalDCE.cpp",
    "//llvm/lib/Transforms/IPO/GlobalOpt.cpp",
    "//llvm/lib/Transforms/IPO/LowerTypeTests.cpp",
    "//llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp",
    "//llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp",
    "//llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp",
    "//llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp",
    "//llvm/lib/Transforms/Utils/SimplifyCFG.cpp",
    "//llvm/tools/llvm-objdump/MachODump.cpp",
    "//llvm/tools/llvm-size/llvm-size.cpp"
  ],
  "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": []
}