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Disable commit 134216 ("Add 134199 back, but disable the optimization when the second

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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
This commit is contained in:
Duncan Sands 2011-07-01 12:01:00 +00:00
parent f143a222d0
commit cfea0dd707
1 changed files with 1 additions and 0 deletions
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lib/CodeGen/RegisterCoalescer.cpp
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@ -1203,6 +1203,7 @@ static bool RegistersDefinedFromSameValue(LiveIntervals &li,
VNInfo *VNI,
LiveRange *LR,
SmallVector<MachineInstr*, 8> &DupCopies) {
return false; // To see if this fixes the i386 dragonegg buildbot miscompile.
// FIXME: This is very conservative. For example, we don't handle
// physical registers.