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Remove LiveIntervals::trackingRegUnits().

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With regunit liveness permanently enabled, this function would always
return true.

Also remove now obsolete code for checking physreg interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159006 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-06-22 16:46:44 +00:00
parent 7ee3ca10f5
commit 241d0209a7
4 changed files with 13 additions and 76 deletions
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2
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -1188,7 +1188,7 @@ private:
// Collect ranges for register units. These live ranges are computed on
// demand, so just skip any that haven't been computed yet.
if (TargetRegisterInfo::isPhysicalRegister(Reg) && LIS.trackingRegUnits())
if (TargetRegisterInfo::isPhysicalRegister(Reg))
for (MCRegUnitIterator Units(Reg, &TRI); Units.isValid(); ++Units)
if (LiveInterval *LI = LIS.getCachedRegUnit(*Units))
collectRanges(MO, LI, Entering, Internal, Exiting, OldIdx);