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": [
    "//llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp",
    "//llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp",
    "//llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-ctlz.mir",
    "//llvm/test/CodeGen/AArch64/cls.ll",
    "//llvm/test/CodeGen/AArch64/pr61549.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz.mir",
    "//llvm/test/CodeGen/AMDGPU/ctlz.ll",
    "//llvm/test/CodeGen/ARM/GlobalISel/arm-legalize-bitcounts.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/legalizer/legalize-ctls-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/legalizer/legalize-ctls-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/legalizer/legalize-ctlz-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/legalizer/legalize-ctlz-rv64.mir",
    "//llvm/test/CodeGen/X86/GlobalISel/legalize-leading-zeros.mir",
    "//llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp"
  ],
  "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": []
}