[GC] Make GCStrategy::isGCManagedPointer a type predicate not a value predicate ...
[oota-llvm.git] / lib / CodeGen / RegAllocBasic.cpp
index b8c04fcdbf3864286bcd16412625be63ec723b96..cfe367d5115c68ef4bf686680419236b33cd5ba9 100644 (file)
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "regalloc"
 #include "llvm/CodeGen/Passes.h"
 #include "AllocationOrder.h"
 #include "LiveDebugVariables.h"
 #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);
 
@@ -93,7 +93,7 @@ public:
 
   LiveInterval *dequeue() override {
     if (Queue.empty())
-      return 0;
+      return nullptr;
     LiveInterval *LI = Queue.top();
     Queue.pop();
     return LI;
@@ -133,8 +133,8 @@ RABasic::RABasic(): MachineFunctionPass(ID) {
 
 void RABasic::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesCFG();
-  AU.addRequired<AliasAnalysis>();
-  AU.addPreserved<AliasAnalysis>();
+  AU.addRequired<AAResultsWrapperPass>();
+  AU.addPreserved<AAResultsWrapperPass>();
   AU.addRequired<LiveIntervals>();
   AU.addPreserved<LiveIntervals>();
   AU.addPreserved<SlotIndexes>();
@@ -156,7 +156,7 @@ void RABasic::getAnalysisUsage(AnalysisUsage &AU) const {
 }
 
 void RABasic::releaseMemory() {
-  SpillerInstance.reset(0);
+  SpillerInstance.reset();
 }
 
 
@@ -223,7 +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)) {
@@ -276,7 +276,7 @@ bool RABasic::runOnMachineFunction(MachineFunction &mf) {
                      getAnalysis<LiveIntervals>(),
                      getAnalysis<LiveRegMatrix>());
 
-  calculateSpillWeightsAndHints(*LIS, *MF,
+  calculateSpillWeightsAndHints(*LIS, *MF, VRM,
                                 getAnalysis<MachineLoopInfo>(),
                                 getAnalysis<MachineBlockFrequencyInfo>());