Fix a bug in determining if there is only a single interfering register.
llvm-svn: 126277
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@ -240,8 +240,7 @@ LiveInterval *RAGreedy::getSingleInterference(LiveInterval &VirtReg,
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if (Q.checkInterference()) {
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if (Interference)
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return 0;
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Q.collectInterferingVRegs(1);
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if (!Q.seenAllInterferences())
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if (Q.collectInterferingVRegs(2) > 1)
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return 0;
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Interference = Q.interferingVRegs().front();
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}
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