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/CodeGen/RegisterCoalescer.cpp",
    "//llvm/lib/CodeGen/SplitKit.cpp",
    "//llvm/test/CodeGen/AArch64/GlobalISel/arm64-pcsections.ll",
    "//llvm/test/CodeGen/AArch64/implicit-def-subreg-to-reg-regression.ll",
    "//llvm/test/CodeGen/AArch64/pr151592.mir",
    "//llvm/test/CodeGen/AArch64/pr151888.mir",
    "//llvm/test/CodeGen/AArch64/pr164181-reduced.ll",
    "//llvm/test/CodeGen/AArch64/preserve_nonecc_varargs_darwin.ll",
    "//llvm/test/CodeGen/AArch64/register-coalesce-implicit-def-subreg-to-reg.mir",
    "//llvm/test/CodeGen/AArch64/register-coalesce-update-subranges-remat.mir",
    "//llvm/test/CodeGen/LoongArch/lasx/build-vector.ll",
    "//llvm/test/CodeGen/LoongArch/lasx/fpowi.ll",
    "//llvm/test/CodeGen/LoongArch/lasx/scalar-to-vector.ll",
    "//llvm/test/CodeGen/PowerPC/aix-vec_insert_elt.ll",
    "//llvm/test/CodeGen/PowerPC/build-vector-tests.ll",
    "//llvm/test/CodeGen/PowerPC/canonical-merge-shuffles.ll",
    "//llvm/test/CodeGen/PowerPC/combine-fneg.ll",
    "//llvm/test/CodeGen/PowerPC/fp-strict-round.ll",
    "//llvm/test/CodeGen/PowerPC/frem.ll",
    "//llvm/test/CodeGen/PowerPC/froundeven-legalization.ll",
    "//llvm/test/CodeGen/PowerPC/half.ll",
    "//llvm/test/CodeGen/PowerPC/ldexp.ll",
    "//llvm/test/CodeGen/PowerPC/llvm.modf.ll",
    "//llvm/test/CodeGen/PowerPC/vec_insert_elt.ll",
    "//llvm/test/CodeGen/PowerPC/vector-constrained-fp-intrinsics.ll",
    "//llvm/test/CodeGen/X86/coalescer-breaks-subreg-to-reg-liveness.ll",
    "//llvm/test/CodeGen/X86/coalescer-implicit-def-regression-imp-operand-assert.mir",
    "//llvm/test/CodeGen/X86/coalescing-subreg-to-reg-requires-subrange-update.mir",
    "//llvm/test/CodeGen/X86/pr76416.ll",
    "//llvm/test/CodeGen/X86/subreg-fail.mir",
    "//llvm/test/CodeGen/X86/subreg-to-reg-coalescing.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": []
}