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/IR/Verifier.cpp",
    "//llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp",
    "//llvm/test/CodeGen/AMDGPU/bug-deadlanes.ll",
    "//llvm/test/CodeGen/AMDGPU/mixed-wave32-wave64.ll",
    "//llvm/test/CodeGen/AMDGPU/pal-metadata-3.0-dvgpr.ll",
    "//llvm/test/CodeGen/AMDGPU/pal-metadata-3.0.ll",
    "//llvm/test/CodeGen/AMDGPU/pal-metadata-3.6-dvgpr.ll",
    "//llvm/test/CodeGen/AMDGPU/pal-metadata-3.6.ll",
    "//llvm/test/CodeGen/AMDGPU/ps-shader-arg-count.ll",
    "//llvm/test/CodeGen/AMDGPU/sgpr-spill-overlap-wwm-reserve.mir",
    "//llvm/test/CodeGen/AMDGPU/si-opt-vgpr-liverange-bug-deadlanes.mir",
    "//llvm/test/CodeGen/Hexagon/bit-rie.ll",
    "//llvm/test/CodeGen/Hexagon/hasfp-crash2.ll",
    "//llvm/test/CodeGen/WebAssembly/multivalue-dont-move-def-past-use.mir",
    "//llvm/test/Verifier/invalid-target-feature.ll",
    "//llvm/test/tools/llvm-reduce/reduce-target-features-attr.ll"
  ],
  "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": []
}