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remove dead code, simplify. 

llvm-svn: 97510
This commit is contained in:
Chris Lattner 2010-03-01 22:19:47 +00:00
parent d39f75ba39
commit 00f2e4b6d6
1 changed files with 4 additions and 10 deletions
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14
llvm/utils/TableGen/DAGISelMatcherOpt.cpp
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@ -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 {
Scope->setNumChildren(NewOptionsToMatch.size());
for (unsigned i = 0, e = NewOptionsToMatch.size(); i != e; ++i)
Scope->resetChild(i, NewOptionsToMatch[i]);
}
// 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,