gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "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"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AMDGPU/SIISelLowering.cpp",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/addo.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fcmp.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fmax_legacy.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fmin_legacy.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/icmp.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-copy-scc-vcc.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-mui.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/saddsat.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/subo.ll",
    "//llvm/test/CodeGen/AMDGPU/llvm.is.fpclass.f16.ll",
    "//llvm/test/CodeGen/AMDGPU/llvm.is.fpclass.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": []
}