gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/test/CodeGen/#amdgcnspirv-size-optimization.c#",
    "//clang/test/CodeGen/amdgcnspirv-size-optimization.c",
    "//llvm/lib/Target/SPIRV/SPIRVSymbolicOperands.td",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_poison_freeze/freeze.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_poison_freeze/poison-composite.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_poison_freeze/poison.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/enable-all-extensions-avoid-invalid.ll",
    "//utils/bazel/llvm-project-overlay/mlir/BUILD.bazel"
  ],
  "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