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/include/llvm/CodeGen/GlobalISel/CombinerHelper.h",
    "//llvm/include/llvm/Target/GlobalISel/Combine.td",
    "//llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp",
    "//llvm/test/CodeGen/AArch64/GlobalISel/combine-extract-vec-elt.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/combine-freeze.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-shuffle-vector-disjoint-mask.mir",
    "//llvm/test/CodeGen/AArch64/aarch64-matrix-umull-smull.ll",
    "//llvm/test/CodeGen/AArch64/aarch64-smull.ll",
    "//llvm/test/CodeGen/AArch64/arm64-ext.ll",
    "//llvm/test/CodeGen/AArch64/arm64-extract_subvector.ll",
    "//llvm/test/CodeGen/AArch64/ext-narrow-index.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": []
}
running all tests due to change to blacklisted file