Add Constant Hoisting Pass

[oota-llvm.git] / lib / CodeGen / CalcSpillWeights.cpp

diff --git a/lib/CodeGen/CalcSpillWeights.cpp b/lib/CodeGen/CalcSpillWeights.cpp
index 087d737ad37dff0972ca397e325fb6c4c53ec5f6..1a45de069ead25320bb0d13cf928e133b70eb8a8 100644 (file)
--- a/lib/CodeGen/CalcSpillWeights.cpp
+++ b/lib/CodeGen/CalcSpillWeights.cpp
@@ -25,12 +25,13 @@ using namespace llvm;
 void llvm::calculateSpillWeightsAndHints(LiveIntervals &LIS,
                            MachineFunction &MF,
                            const MachineLoopInfo &MLI,
-                           const MachineBlockFrequencyInfo &MBFI) {
+                           const MachineBlockFrequencyInfo &MBFI,
+                           VirtRegAuxInfo::NormalizingFn norm) {
   DEBUG(dbgs() << "********** Compute Spill Weights **********\n"
                << "********** Function: " << MF.getName() << '\n');
 
   MachineRegisterInfo &MRI = MF.getRegInfo();
-  VirtRegAuxInfo VRAI(MF, LIS, MLI, MBFI);
+  VirtRegAuxInfo VRAI(MF, LIS, MLI, MBFI, norm);
   for (unsigned i = 0, e = MRI.getNumVirtRegs(); i != e; ++i) {
     unsigned Reg = TargetRegisterInfo::index2VirtReg(i);
     if (MRI.reg_nodbg_empty(Reg))
@@ -131,7 +132,7 @@ VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) {
       bool reads, writes;
       tie(reads, writes) = mi->readsWritesVirtualRegister(li.reg);
       weight = LiveIntervals::getSpillWeight(
-          writes, reads, MBFI.getBlockFreq(mi->getParent()));
+        writes, reads, &MBFI, mi);
 
       // Give extra weight to what looks like a loop induction variable update.
       if (writes && isExiting && LIS.isLiveOutOfMBB(li, mbb))
@@ -182,5 +183,5 @@ VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) {
   if (isRematerializable(li, LIS, *MF.getTarget().getInstrInfo()))
     totalWeight *= 0.5F;
 
-  li.weight = normalizeSpillWeight(totalWeight, li.getSize());
+  li.weight = normalize(totalWeight, li.getSize());
 }