llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-llvm-analysis Author: Shahid Iqbal (shahidiqbal13) <details> <summary>Changes</summary> This issue is raised by @<!-- -->DrTodd13 The code in include/llvm/Analysis/DOTGraphTraitsPass.h will exceed most normal file system's maximum filename length of 255 if, e.g., the function's name is that length. --- Full diff: https://github.com/llvm/llvm-project/pull/72654.diff 2 Files Affected: - (modified) clang/NOTES.txt (+2) - (modified) llvm/include/llvm/Analysis/DOTGraphTraitsPass.h (+5-3) ``````````diff diff --git a/clang/NOTES.txt b/clang/NOTES.txt index f06ea8c70cd3409..c83dda52a1fc21e 100644 --- a/clang/NOTES.txt +++ b/clang/NOTES.txt @@ -4,6 +4,8 @@ //===---------------------------------------------------------------------===// +//TESTING git infra// + To time GCC preprocessing speed without output, use: "time gcc -MM file" This is similar to -Eonly. diff --git a/llvm/include/llvm/Analysis/DOTGraphTraitsPass.h b/llvm/include/llvm/Analysis/DOTGraphTraitsPass.h index 07c08bc1cc3bcb6..f78d8ff52ee3932 100644 --- a/llvm/include/llvm/Analysis/DOTGraphTraitsPass.h +++ b/llvm/include/llvm/Analysis/DOTGraphTraitsPass.h @@ -17,6 +17,8 @@ #include "llvm/Support/FileSystem.h" #include "llvm/Support/GraphWriter.h" +#define MAX_FILENAME_LEN 255 + namespace llvm { /// Default traits class for extracting a graph from an analysis pass. @@ -94,7 +96,7 @@ void printGraphForFunction(Function &F, GraphT Graph, StringRef Name, raw_fd_ostream File(Filename, EC, sys::fs::OF_TextWithCRLF); std::string GraphName = DOTGraphTraits<GraphT>::getGraphName(Graph); - if (!EC) + if (!EC && (Filename.length() <= MAX_FILENAME_LEN )) WriteGraph(File, Graph, IsSimple, GraphName + " for '" + F.getName() + "' function"); else @@ -280,7 +282,7 @@ class DOTGraphTraitsModulePrinterWrapperPass : public ModulePass { raw_fd_ostream File(Filename, EC, sys::fs::OF_TextWithCRLF); std::string Title = DOTGraphTraits<GraphT>::getGraphName(Graph); - if (!EC) + if (!EC && (Filename.length() <= MAX_FILENAME_LEN )) WriteGraph(File, Graph, IsSimple, Title); else errs() << " error opening file for writing!"; @@ -310,7 +312,7 @@ void WriteDOTGraphToFile(Function &F, GraphT &&Graph, std::string GraphName = DOTGraphTraits<GraphT>::getGraphName(Graph); std::string Title = GraphName + " for '" + F.getName().str() + "' function"; - if (!EC) + if (!EC && (Filename.length() <= MAX_FILENAME_LEN )) WriteGraph(File, Graph, IsSimple, Title); else errs() << " error opening file for writing!"; `````````` </details> https://github.com/llvm/llvm-project/pull/72654 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
