diff options
| -rw-r--r-- | llvm/include/llvm/Support/GraphWriter.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/include/llvm/Support/GraphWriter.h b/llvm/include/llvm/Support/GraphWriter.h index 660c519ed64..539673a8bee 100644 --- a/llvm/include/llvm/Support/GraphWriter.h +++ b/llvm/include/llvm/Support/GraphWriter.h @@ -325,7 +325,10 @@ template <typename GraphType> std::string WriteGraph(const GraphType &G, const Twine &Name, bool ShortNames = false, const Twine &Title = "") { int FD; - std::string Filename = createGraphFilename(Name, FD); + // Windows can't always handle long paths, so limit the length of the name. + std::string N = Name.str(); + N = N.substr(0, std::min<std::size_t>(N.size(), 140)); + std::string Filename = createGraphFilename(N, FD); raw_fd_ostream O(FD, /*shouldClose=*/ true); if (FD == -1) { |
