From eadcadc54b09086453b98eb30091bde5bf75c973 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 8 Feb 2003 23:04:50 +0000 Subject: Fix division by zero problem llvm-svn: 5509 --- llvm/lib/Analysis/AliasAnalysisEvaluator.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'llvm/lib/Analysis/AliasAnalysisEvaluator.cpp') diff --git a/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp b/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp index ffc097490c4..efd22587efc 100644 --- a/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp +++ b/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp @@ -66,6 +66,11 @@ bool AAEval::runOnFunction(Function &F) { 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"; -- cgit v1.2.3