gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/Transforms/LoopInterchange/call-instructions-remarks.ll",
    "//llvm/test/Transforms/LoopInterchange/call-instructions.ll",
    "//llvm/test/Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar-remark.ll",
    "//llvm/test/Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll",
    "//llvm/test/Transforms/LoopInterchange/innermost-latch-uses-values-in-middle-header.ll",
    "//llvm/test/Transforms/LoopInterchange/interchange-flow-dep-outer.ll",
    "//llvm/test/Transforms/LoopInterchange/interchange-no-deps.ll",
    "//llvm/test/Transforms/LoopInterchange/interchanged-loop-nest-3.ll",
    "//llvm/test/Transforms/LoopInterchange/not-interchanged-dependencies-1.ll",
    "//llvm/test/Transforms/LoopInterchange/not-interchanged-loop-nest-3.ll",
    "//llvm/test/Transforms/LoopInterchange/not-interchanged-tightly-nested.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": []
}