Recompute register class and hint for registers created during spilling.
The spill weight is not recomputed for an unspillable register - it stays infinite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128490 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index b89ff0c..2c8066f 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -17,7 +17,6 @@
#include "LiveRangeEdit.h"
#include "VirtRegMap.h"
#include "llvm/ADT/Statistic.h"
-#include "llvm/CodeGen/CalcSpillWeights.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
@@ -881,14 +880,7 @@
}
// Calculate spill weight and allocation hints for new intervals.
- VirtRegAuxInfo vrai(VRM.getMachineFunction(), LIS, SA.Loops);
- for (LiveRangeEdit::iterator I = Edit->begin(), E = Edit->end(); I != E; ++I){
- LiveInterval &li = **I;
- vrai.CalculateRegClass(li.reg);
- vrai.CalculateWeightAndHint(li);
- DEBUG(dbgs() << " new interval " << MRI.getRegClass(li.reg)->getName()
- << ":" << li << '\n');
- }
+ Edit->calculateRegClassAndHint(VRM.getMachineFunction(), LIS, SA.Loops);
}