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Handle another case that Frits suggested.

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llvm-svn: 128068
This commit is contained in:
Anders Carlsson 2011-03-22 03:21:01 +00:00
parent 35f357b7d0
commit 8f934f6652
1 changed files with 4 additions and 2 deletions
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6
lib/Transforms/IPO/GlobalOpt.cpp
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@ -2746,11 +2746,13 @@ static bool cxxDtorIsEmpty(const Function &Fn,
if (!CalledFn) if (!CalledFn)
return false; return false;
SmallPtrSet<const Function *, 8> NewCalledFunctions(CalledFunctions);
// Don't treat recursive functions as empty. // Don't treat recursive functions as empty.
if (!CalledFunctions.insert(CalledFn)) if (!NewCalledFunctions.insert(CalledFn))
return false; return false;
if (!cxxDtorIsEmpty(*CalledFn, CalledFunctions)) if (!cxxDtorIsEmpty(*CalledFn, NewCalledFunctions))
return false; return false;
} else if (isa<ReturnInst>(*I)) } else if (isa<ReturnInst>(*I))
return true; return true;