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/Target/Lanai/AsmParser/LanaiAsmParser.cpp",
    "//llvm/lib/Target/Lanai/LanaiMCInstLower.cpp",
    "//llvm/lib/Target/Lanai/MCTargetDesc/CMakeLists.txt",
    "//llvm/lib/Target/Lanai/MCTargetDesc/LanaiMCAsmInfo.cpp",
    "//llvm/lib/Target/Lanai/MCTargetDesc/LanaiMCAsmInfo.h",
    "//llvm/lib/Target/Lanai/MCTargetDesc/LanaiMCCodeEmitter.cpp",
    "//llvm/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.cpp",
    "//llvm/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.h",
    "//llvm/utils/gn/secondary/llvm/lib/Target/Lanai/MCTargetDesc/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