remove dead code, simplify.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97510 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-01 22:19:47 +00:00
parent 117ccb7e51
commit 7c720fc33a

View File

@ -392,16 +392,10 @@ static void FactorNodes(OwningPtr<Matcher> &MatcherPtr) {
}
// Reassemble a new Scope node.
assert(!NewOptionsToMatch.empty() &&
"Where'd all our children go? Did we really factor everything??");
if (NewOptionsToMatch.empty())
MatcherPtr.reset(0);
else {
// Reassemble the Scope node with the adjusted children.
Scope->setNumChildren(NewOptionsToMatch.size());
for (unsigned i = 0, e = NewOptionsToMatch.size(); i != e; ++i)
Scope->resetChild(i, NewOptionsToMatch[i]);
}
}
Matcher *llvm::OptimizeMatcher(Matcher *TheMatcher,