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/atomicrmw_udec_wrap.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_uinc_wrap.ll",
    "//llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll",
    "//llvm/test/CodeGen/AMDGPU/flat_atomics_i32_system.ll",
    "//llvm/test/CodeGen/AMDGPU/flat_atomics_i64_system.ll",
    "//llvm/test/CodeGen/AMDGPU/flat_atomics_i64_system_noprivate.ll",
    "//llvm/test/CodeGen/AMDGPU/global_atomics_i32_system.ll",
    "//llvm/test/CodeGen/AMDGPU/global_atomics_i64_system.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i16-system.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i32-system.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i64-system.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i8-system.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomicrmw-integer-ops-0-to-add-0.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": []
}