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/identical-subrange-spill-infloop.ll",
    "//llvm/test/CodeGen/AMDGPU/infer-addrspace-flat-atomic.ll",
    "//llvm/test/CodeGen/AMDGPU/lds-frame-extern.ll",
    "//llvm/test/CodeGen/AMDGPU/loop-prefetch-data.ll",
    "//llvm/test/CodeGen/AMDGPU/lower-module-lds-via-hybrid.ll",
    "//llvm/test/CodeGen/AMDGPU/lower-module-lds-via-table.ll",
    "//llvm/test/CodeGen/AMDGPU/match-perm-extract-vector-elt-bug.ll",
    "//llvm/test/CodeGen/AMDGPU/memmove-var-size.ll",
    "//llvm/test/CodeGen/AMDGPU/no-folding-imm-to-inst-with-fi.ll",
    "//llvm/test/CodeGen/AMDGPU/preload-implicit-kernargs.ll",
    "//llvm/test/CodeGen/AMDGPU/promote-constOffset-to-imm.ll",
    "//llvm/test/CodeGen/AMDGPU/ptradd-sdag-mubuf.ll",
    "//llvm/test/CodeGen/AMDGPU/ptradd-sdag-optimizations.ll",
    "//llvm/test/CodeGen/AMDGPU/ptradd-sdag-undef-poison.ll",
    "//llvm/test/CodeGen/AMDGPU/ptradd-sdag.ll",
    "//llvm/test/CodeGen/AMDGPU/store-weird-sizes.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": []
}