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/Target/AMDGPU/AMDGPURegBankLegalizeRules.cpp",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/dereferenceable-declaration.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/flat-scratch.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.large.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/lds-misaligned-bug.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.workitem.id.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-assert-sext.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-assert-zext.mir",
    "//llvm/test/CodeGen/AMDGPU/llvm.amdgcn.is.private.ll",
    "//llvm/test/CodeGen/AMDGPU/llvm.amdgcn.is.shared.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": []
}