gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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/CodeGen/InsertCodePrefetch.cpp",
    "//llvm/lib/CodeGen/TailDuplicator.cpp",
    "//llvm/lib/CodeGen/TargetInstrInfo.cpp",
    "//llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp",
    "//llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp",
    "//llvm/lib/Target/AArch64/AArch64FrameLowering.cpp",
    "//llvm/lib/Target/AArch64/AArch64ISelLowering.cpp",
    "//llvm/lib/Target/AArch64/AArch64InstrInfo.cpp",
    "//llvm/lib/Target/AArch64/AArch64MCInstLower.cpp",
    "//llvm/lib/Target/AArch64/AArch64PointerAuth.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUMachineModuleInfo.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUTargetObjectFile.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp",
    "//llvm/lib/Target/AMDGPU/SIISelLowering.cpp",
    "//llvm/lib/Target/ARM/ARMAsmPrinter.cpp",
    "//llvm/lib/Target/ARM/ARMISelLowering.cpp",
    "//llvm/lib/Target/SPIRV/SPIRVPrepareFunctions.cpp",
    "//llvm/lib/Target/X86/X86DynAllocaExpander.cpp",
    "//llvm/lib/Target/X86/X86IndirectThunks.cpp",
    "//llvm/test/CodeGen/X86/dyn-alloca-expander-dead-eflags.ll"
  ],
  "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": []
}