Allow the register scavenger to spill multiple registers

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

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 9320993d90a1a96bbc7b0b38c89644b1ae284db9..607edac24bd2a22f4fdf00a0e2842207d8f39276 100644 (file)
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -31,24 +31,24 @@
 
 #define DEBUG_TYPE "regalloc"
 
-#include "Spiller.h"
-#include "VirtRegMap.h"
+#include "llvm/CodeGen/RegAllocPBQP.h"
 #include "RegisterCoalescer.h"
-#include "llvm/Module.h"
+#include "Spiller.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/CodeGen/CalcSpillWeights.h"
 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
 #include "llvm/CodeGen/LiveRangeEdit.h"
 #include "llvm/CodeGen/LiveStackAnalysis.h"
-#include "llvm/CodeGen/RegAllocPBQP.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineLoopInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/PBQP/HeuristicSolver.h"
 #include "llvm/CodeGen/PBQP/Graph.h"
+#include "llvm/CodeGen/PBQP/HeuristicSolver.h"
 #include "llvm/CodeGen/PBQP/Heuristics/Briggs.h"
 #include "llvm/CodeGen/RegAllocRegistry.h"
+#include "llvm/CodeGen/VirtRegMap.h"
+#include "llvm/IR/Module.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
@@ -118,7 +118,6 @@ private:
   typedef std::vector<AllowedSet> AllowedSetMap;
   typedef std::pair<unsigned, unsigned> RegPair;
   typedef std::map<RegPair, PBQP::PBQPNum> CoalesceMap;
-  typedef std::vector<PBQP::Graph::NodeItr> NodeVector;
   typedef std::set<unsigned> RegSet;
 
 
@@ -527,7 +526,7 @@ void RegAllocPBQP::finalizeAlloc() const {
          itr != end; ++itr) {
     LiveInterval *li = &lis->getInterval(*itr);
 
-    unsigned physReg = vrm->getRegAllocPref(li->reg);
+    unsigned physReg = mri->getSimpleHint(li->reg);
 
     if (physReg == 0) {
       const TargetRegisterClass *liRC = mri->getRegClass(li->reg);