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/CodeGen/GlobalISel/LegalizerHelper.cpp",
    "//llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fptrunc.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/global-value.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-extract.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fptrunc.mir",
    "//llvm/test/CodeGen/AMDGPU/codegen-prepare-addrspacecast-non-null.ll",
    "//llvm/test/CodeGen/AMDGPU/fptrunc.f16.ll",
    "//llvm/test/CodeGen/AMDGPU/fptrunc.ll",
    "//llvm/test/CodeGen/AMDGPU/fptrunc.v2f16.no.fast.math.ll",
    "//llvm/test/Transforms/MemCpyOpt/callslot.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": []
}