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/AMDGPULegalizerInfo.cpp",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/ashr.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-abs.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ashr.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sext-inreg.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sext.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smax.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smin.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smulh.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.abs.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/sext_inreg.ll",
    "//llvm/test/CodeGen/AMDGPU/vector-reduce-smax.ll",
    "//llvm/test/CodeGen/AMDGPU/vector-reduce-smin.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": []
}