gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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/AArch64/GISel/AArch64LegalizerInfo.cpp",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-extract-vector-elt.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-fp-arith.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-freeze.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-insert-vector-elt.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-itofp.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-min-max.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-phi.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-select.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-shift.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir"
  ],
  "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": []
}