gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/lib/CIR/CodeGen/CIRGenModule.cpp",
    "//clang/test/CIR/CodeGen/variable-template-specialization.cpp",
    "//llvm/lib/Target/AArch64/AArch64InstrFormats.td",
    "//llvm/lib/Target/Xtensa/Disassembler/XtensaDisassembler.cpp",
    "//llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp",
    "//llvm/lib/Target/Xtensa/XtensaFeatures.td",
    "//llvm/lib/Target/Xtensa/XtensaISelLowering.cpp",
    "//llvm/lib/Target/Xtensa/XtensaISelLowering.h",
    "//llvm/lib/Target/Xtensa/XtensaInstrInfo.td",
    "//llvm/lib/Target/Xtensa/XtensaRegisterInfo.td",
    "//llvm/lib/Target/Xtensa/XtensaSubtarget.h",
    "//llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp",
    "//llvm/test/CodeGen/Xtensa/atomic-load-store.ll",
    "//llvm/test/CodeGen/Xtensa/atomic-rmw.ll",
    "//llvm/test/CodeGen/Xtensa/forced-atomics.ll",
    "//llvm/test/MC/AArch64/armv9.6a-lsui.s",
    "//llvm/test/MC/Disassembler/AArch64/armv9.6a-lsui.txt",
    "//llvm/test/Transforms/AtomicExpand/Xtensa/atomicrmw-expand.ll",
    "//llvm/test/Transforms/AtomicExpand/Xtensa/lit.local.cfg",
    "//llvm/utils/gn/secondary/lldb/source/Host/BUILD.gn"
  ],
  "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": []
}
running all tests due to change to blacklisted file