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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//compiler-rt/cmake/base-config-ix.cmake",
    "//llvm/CMakeLists.txt",
    "//llvm/include/llvm/ADT/DenseSet.h",
    "//llvm/include/llvm/ADT/STLForwardCompat.h",
    "//llvm/include/llvm/MC/MCExpr.h",
    "//llvm/lib/MC/ELFObjectWriter.cpp",
    "//llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp",
    "//llvm/lib/Target/SystemZ/MCTargetDesc/SystemZELFObjectWriter.cpp",
    "//llvm/lib/Target/SystemZ/MCTargetDesc/SystemZInstPrinterCommon.cpp",
    "//llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp",
    "//llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCExpr.cpp",
    "//llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCExpr.h",
    "//llvm/lib/Target/SystemZ/SystemZAsmPrinter.cpp",
    "//llvm/lib/Target/SystemZ/SystemZMCInstLower.cpp",
    "//llvm/lib/Target/SystemZ/SystemZMCInstLower.h",
    "//llvm/lib/Target/SystemZ/SystemZTargetObjectFile.cpp",
    "//llvm/unittests/ADT/DenseSetTest.cpp",
    "//llvm/utils/gn/secondary/bolt/lib/Passes/BUILD.gn",
    "//llvm/utils/gn/secondary/clang/lib/CodeGen/BUILD.gn",
    "//llvm/utils/gn/secondary/lldb/tools/lldb-dap/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/lib/Target/SystemZ/MCTargetDesc/BUILD.gn",
    "//runtimes/CMakeLists.txt"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file