[PATCH] D117938: [clang][dataflow] Avoid MaxIterations overflow

[Jan Korous via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGdd01d971aa2c: [clang][dataflow] Avoid MaxIterations overflow (authored by jkorous).
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Changed prior to commit:
  https://reviews.llvm.org/D117938?vs=402141&id=402707#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117938/new/

https://reviews.llvm.org/D117938

Files:
  clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp


Index: clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp
===================================================================
--- clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp
+++ clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp
@@ -210,8 +210,8 @@
   // FIXME: Consider making the maximum number of iterations configurable.
   // FIXME: Set up statistics (see llvm/ADT/Statistic.h) to count average number
   // of iterations, number of functions that time out, etc.
-  unsigned Iterations = 0;
-  static constexpr unsigned MaxIterations = 1 << 16;
+  uint32_t Iterations = 0;
+  static constexpr uint32_t MaxIterations = 1 << 16;
   while (const CFGBlock *Block = Worklist.dequeue()) {
     if (++Iterations > MaxIterations) {
       llvm::errs() << "Maximum number of iterations reached, giving up.\n";


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