gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/lib/Conversion/AMDGPUToROCDL/AMDGPUToROCDL.cpp",
    "//mlir/lib/Conversion/AffineToStandard/AffineToStandard.cpp",
    "//mlir/lib/Conversion/ArithToAMDGPU/ArithToAMDGPU.cpp",
    "//mlir/lib/Conversion/ArithToArmSME/ArithToArmSME.cpp",
    "//mlir/lib/Conversion/ArithToEmitC/ArithToEmitC.cpp",
    "//mlir/lib/Conversion/ArithToLLVM/ArithToLLVM.cpp",
    "//mlir/lib/Conversion/ArithToSPIRV/ArithToSPIRV.cpp",
    "//mlir/lib/Conversion/ArmNeon2dToIntr/ArmNeon2dToIntr.cpp",
    "//mlir/lib/Conversion/ArmSMEToLLVM/ArmSMEToLLVM.cpp",
    "//mlir/lib/Conversion/ArmSMEToSCF/ArmSMEToSCF.cpp",
    "//mlir/lib/Conversion/AsyncToLLVM/AsyncToLLVM.cpp",
    "//mlir/lib/Conversion/BufferizationToMemRef/BufferizationToMemRef.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": []
}