[llvm-commits] CVS: llvm/lib/Analysis/AliasAnalysisEvaluator.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis:

AliasAnalysisEvaluator.cpp updated: 1.2 -> 1.3

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Log message:

Fix division by zero problem


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Diffs of the changes:

Index: llvm/lib/Analysis/AliasAnalysisEvaluator.cpp
diff -u llvm/lib/Analysis/AliasAnalysisEvaluator.cpp:1.2 llvm/lib/Analysis/AliasAnalysisEvaluator.cpp:1.3
--- llvm/lib/Analysis/AliasAnalysisEvaluator.cpp:1.2	Thu Feb  6 16:06:08 2003
+++ llvm/lib/Analysis/AliasAnalysisEvaluator.cpp	Sat Feb  8 17:04:50 2003
@@ -66,6 +66,11 @@
 bool AAEval::doFinalization(Module &M) {
   unsigned Sum = No+May+Must;
   std::cerr << "===== Alias Analysis Evaluator Report =====\n";
+  if (Sum == 0) {
+    std::cerr << "  Alias Analysis Evaluator Summary: No pointers!\n";
+    return false;
+  }
+
   std::cerr << "  " << Sum << " Total Alias Queries Performed\n";
   std::cerr << "  " << No << " no alias responses (" << No*100/Sum << "%)\n";
   std::cerr << "  " << May << " may alias responses (" << May*100/Sum << "%)\n";