gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/test/CodeGen/RISCV/riscv-func-attr-target.c",
    "//lld/test/ELF/lto/riscv-attributes.ll",
    "//lld/test/ELF/riscv-attributes.s",
    "//llvm/lib/Target/RISCV/RISCVFeatures.td",
    "//llvm/lib/Target/RISCV/RISCVInstrInfoA.td",
    "//llvm/test/CodeGen/RISCV/attributes.ll",
    "//llvm/test/MC/RISCV/attribute-arch.s",
    "//llvm/test/MC/RISCV/attribute.s",
    "//llvm/test/MC/RISCV/rv32i-invalid.s",
    "//llvm/unittests/TargetParser/RISCVISAInfoTest.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