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/ARM/ARMAsmPrinter.cpp",
    "//llvm/lib/Target/ARM/ARMMCInstLower.cpp",
    "//llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMCExpr.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMCExpr.h",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMachORelocationInfo.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/CMakeLists.txt",
    "//llvm/utils/gn/secondary/llvm/lib/Target/ARM/MCTargetDesc/BUILD.gn",
    "//mlir/docs/DefiningDialects/Constraints.md",
    "//mlir/include/mlir/IR/Constraints.td",
    "//mlir/test/mlir-tblgen/attr-constraints.td",
    "//mlir/tools/mlir-tblgen/AttrOrTypeDefGen.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": []
}
running all tests due to change to blacklisted file