gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/add.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/anyext.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/implicit-def.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/load.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/select.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/sext.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/splatvector-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/store.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/sub.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/vmclr-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/vmclr-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/vscale-rv32.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/vscale-rv64.mir",
    "//llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/zext.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": []
}