Disable commit 134216 ("Add 134199 back, but disable the optimization when the second
copy is a kill") to see if it fixes the i386 dragonegg buildbot, which is timing out because gcc built with dragonegg is going into an infinite loop. llvm-svn: 134237
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@ -1203,6 +1203,7 @@ static bool RegistersDefinedFromSameValue(LiveIntervals &li,
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VNInfo *VNI,
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LiveRange *LR,
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SmallVector<MachineInstr*, 8> &DupCopies) {
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return false; // To see if this fixes the i386 dragonegg buildbot miscompile.
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// FIXME: This is very conservative. For example, we don't handle
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// physical registers.
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