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tolerate factoring the *last* node for CellSPU.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97508 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-01 22:04:33 +00:00
parent 73736df88b
commit f94bc54757
1 changed files with 5 additions and 0 deletions
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5
utils/TableGen/DAGISelMatcherOpt.cpp
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@ -351,6 +351,11 @@ static void FactorNodes(OwningPtr<Matcher> &MatcherPtr) {
return; return;
} }
if (NewOptionsToMatch.empty()) {
MatcherPtr.reset(0);
return;
}
// If our factoring failed (didn't achieve anything) see if we can simplify in // If our factoring failed (didn't achieve anything) see if we can simplify in
// other ways. // other ways.