gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/prelegalizer-combiner-divrem.mir",
    "//llvm/test/CodeGen/AMDGPU/branch-relaxation-debug-info.mir",
    "//llvm/test/CodeGen/AMDGPU/coalescer-subranges-another-copymi-not-live.mir",
    "//llvm/test/CodeGen/AMDGPU/fold-imm-f16-f32.mir",
    "//llvm/test/CodeGen/AMDGPU/fp-atomic-to-s_denormmode.mir",
    "//llvm/test/CodeGen/AMDGPU/insert-waitcnts-exp.mir",
    "//llvm/test/CodeGen/AMDGPU/invert-br-undef-vcc.mir",
    "//llvm/test/CodeGen/AMDGPU/lds-dma-waitcnt.mir",
    "//llvm/test/CodeGen/AMDGPU/memory-legalizer-local.mir",
    "//llvm/test/CodeGen/AMDGPU/memory-legalizer-multiple-mem-operands-atomics.mir",
    "//llvm/test/CodeGen/AMDGPU/memory-legalizer-region.mir",
    "//llvm/test/CodeGen/AMDGPU/merge-flat-with-global-load-store.mir",
    "//llvm/test/CodeGen/AMDGPU/merge-global-load-store.mir",
    "//llvm/test/CodeGen/AMDGPU/merge-load-store-agpr.mir",
    "//llvm/test/CodeGen/AMDGPU/merge-out-of-order-ldst.mir",
    "//llvm/test/CodeGen/AMDGPU/optimize-if-exec-masking.mir",
    "//llvm/test/CodeGen/AMDGPU/phi-elimination-end-cf.mir",
    "//llvm/test/CodeGen/AMDGPU/si-annotate-cf-kill.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": []
}