gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/alu-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/alu-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/copy-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/copy-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/ext-trunc-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/fp-select-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/fp-select-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/global-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/global-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/load-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/load-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/minmax-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/minmax-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/phi-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/phi-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/select-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/select-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/store-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/store-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/vec-args-ret.mir"
  ],
  "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": []
}