gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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": [
    "//compiler-rt/lib/msan/tests/msan_test.cpp",
    "//compiler-rt/test/fuzzer/reload.test",
    "//compiler-rt/test/msan/zero_alloc.cpp",
    "//compiler-rt/test/tsan/signal_cond.cpp",
    "//llvm/lib/Target/NVPTX/NVPTXPeephole.cpp",
    "//mlir/include/mlir/Dialect/Affine/Analysis/NestedMatcher.h"
  ],
  "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": []
}