Revert r198208 and reapply:

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

diff --git a/lib/CodeGen/StackSlotColoring.cpp b/lib/CodeGen/StackSlotColoring.cpp
index d0c9e1d677b86c5e7792482189a2ee46a01da2e6..77c7047cde5502e77b22e59fab363205dae4a9b2 100644 (file)
--- a/lib/CodeGen/StackSlotColoring.cpp
+++ b/lib/CodeGen/StackSlotColoring.cpp
@@ -106,7 +106,7 @@ namespace {
     bool OverlapWithAssignments(LiveInterval *li, int Color) const;
     int ColorSlot(LiveInterval *li);
     bool ColorSlots(MachineFunction &MF);
-    void RewriteInstruction(MachineInstr *MI, SmallVector<int, 16> &SlotMapping,
+    void RewriteInstruction(MachineInstr *MI, SmallVectorImpl<int> &SlotMapping,
                             MachineFunction &MF);
     bool RemoveDeadStores(MachineBasicBlock* MBB);
   };
@@ -142,7 +142,6 @@ void StackSlotColoring::ScanForSpillSlotRefs(MachineFunction &MF) {
   for (MachineFunction::iterator MBBI = MF.begin(), E = MF.end();
        MBBI != E; ++MBBI) {
     MachineBasicBlock *MBB = &*MBBI;
-    BlockFrequency Freq = MBFI->getBlockFreq(MBB);
     for (MachineBasicBlock::iterator MII = MBB->begin(), EE = MBB->end();
          MII != EE; ++MII) {
       MachineInstr *MI = &*MII;
@@ -157,7 +156,7 @@ void StackSlotColoring::ScanForSpillSlotRefs(MachineFunction &MF) {
           continue;
         LiveInterval &li = LS->getInterval(FI);
         if (!MI->isDebugValue())
-          li.weight += LiveIntervals::getSpillWeight(false, true, Freq);
+          li.weight += LiveIntervals::getSpillWeight(false, true, MBFI, MI);
       }
       for (MachineInstr::mmo_iterator MMOI = MI->memoperands_begin(),
            EE = MI->memoperands_end(); MMOI != EE; ++MMOI) {
@@ -340,7 +339,7 @@ bool StackSlotColoring::ColorSlots(MachineFunction &MF) {
 /// RewriteInstruction - Rewrite specified instruction by replacing references
 /// to old frame index with new one.
 void StackSlotColoring::RewriteInstruction(MachineInstr *MI,
-                                           SmallVector<int, 16> &SlotMapping,
+                                           SmallVectorImpl<int> &SlotMapping,
                                            MachineFunction &MF) {
   // Update the operands.
   for (unsigned i = 0, ee = MI->getNumOperands(); i != ee; ++i) {