gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AMDGPU/SIRegisterInfo.td",
    "//llvm/lib/Target/ARM/ARMISelLowering.h",
    "//llvm/test/CodeGen/AMDGPU/coalesce-copy-to-agpr-to-av-registers.mir",
    "//llvm/test/CodeGen/AMDGPU/inflate-reg-class-vgpr-mfma-to-av-with-load-source.mir",
    "//llvm/test/CodeGen/AMDGPU/inline-asm.i128.ll",
    "//llvm/test/CodeGen/AMDGPU/partial-regcopy-and-spill-missed-at-regalloc.ll",
    "//llvm/test/CodeGen/AMDGPU/rewrite-vgpr-mfma-to-agpr-subreg-insert-extract.mir",
    "//llvm/test/CodeGen/AMDGPU/rewrite-vgpr-mfma-to-agpr-subreg-src2-chain.mir",
    "//llvm/test/CodeGen/ARM/and-mask-variable.ll",
    "//llvm/test/CodeGen/ARM/extract-bits.ll",
    "//llvm/test/CodeGen/ARM/extract-lowbits.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": []
}
running all tests due to change to blacklisted file