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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp",
    "//llvm/lib/Target/AMDGPU/SIISelLowering.cpp",
    "//llvm/test/CodeGen/AMDGPU/a-v-flat-atomicrmw.ll",
    "//llvm/test/CodeGen/AMDGPU/a-v-global-atomicrmw.ll",
    "//llvm/test/CodeGen/AMDGPU/addsub64_carry.ll",
    "//llvm/test/CodeGen/AMDGPU/carryout-selection.ll",
    "//llvm/test/CodeGen/AMDGPU/sdiv64.ll",
    "//llvm/test/CodeGen/AMDGPU/srem64.ll",
    "//llvm/test/CodeGen/AMDGPU/uaddo.ll",
    "//llvm/test/CodeGen/AMDGPU/uaddsat.ll",
    "//llvm/test/CodeGen/AMDGPU/udiv64.ll",
    "//llvm/test/CodeGen/AMDGPU/urem64.ll",
    "//llvm/test/CodeGen/AMDGPU/usubo.ll",
    "//llvm/test/CodeGen/AMDGPU/usubsat.ll"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}