Range-for-ify some things in GlobalMerge

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

diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp
index 41f1f1757ee64341a707b5d7f97dcd336b37825b..22e803088bbc2cf6d51bede689cde9785622d36a 100644 (file)
--- a/lib/CodeGen/RegAllocBasic.cpp
+++ b/lib/CodeGen/RegAllocBasic.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "regalloc"
 #include "llvm/CodeGen/Passes.h"
 #include "AllocationOrder.h"
 #include "LiveDebugVariables.h"
@@ -34,13 +33,14 @@
 #include "llvm/PassAnalysisSupport.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include <cstdlib>
 #include <queue>
 
 using namespace llvm;
 
+#define DEBUG_TYPE "regalloc"
+
 static RegisterRegAlloc basicRegAlloc("basic", "basic register allocator",
                                       createBasicRegisterAllocator);
 
@@ -87,15 +87,13 @@ public:
 
   Spiller &spiller() override { return *SpillerInstance; }
 
-  virtual float getPriority(LiveInterval *LI) { return LI->weight; }
-
   void enqueue(LiveInterval *LI) override {
     Queue.push(LI);
   }
 
   LiveInterval *dequeue() override {
     if (Queue.empty())
-      return 0;
+      return nullptr;
     LiveInterval *LI = Queue.top();
     Queue.pop();
     return LI;
@@ -158,7 +156,7 @@ void RABasic::getAnalysisUsage(AnalysisUsage &AU) const {
 }
 
 void RABasic::releaseMemory() {
-  SpillerInstance.reset(0);
+  SpillerInstance.reset();
 }
 
 
@@ -225,7 +223,7 @@ unsigned RABasic::selectOrSplit(LiveInterval &VirtReg,
   SmallVector<unsigned, 8> PhysRegSpillCands;
 
   // Check for an available register in this class.
-  AllocationOrder Order(VirtReg.reg, *VRM, RegClassInfo);
+  AllocationOrder Order(VirtReg.reg, *VRM, RegClassInfo, Matrix);
   while (unsigned PhysReg = Order.next()) {
     // Check for interference in PhysReg
     switch (Matrix->checkInterference(VirtReg, PhysReg)) {
@@ -278,7 +276,7 @@ bool RABasic::runOnMachineFunction(MachineFunction &mf) {
                      getAnalysis<LiveIntervals>(),
                      getAnalysis<LiveRegMatrix>());
 
-  calculateSpillWeightsAndHints(*LIS, *MF,
+  calculateSpillWeightsAndHints(*LIS, *MF, VRM,
                                 getAnalysis<MachineLoopInfo>(),
                                 getAnalysis<MachineBlockFrequencyInfo>());