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Fix division by zero problem

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5509 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-08 23:04:50 +00:00
parent 6022ef463f
commit 2c1d7cf13b
1 changed files with 5 additions and 0 deletions
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5
lib/Analysis/AliasAnalysisEvaluator.cpp
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@ -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";