Merge remote-tracking branch 'upstream/release_34' into merge-20140211

Conflicts:
	lib/Linker/LinkModules.cpp
	lib/Support/Unix/Signals.inc

Change-Id: Ia54f291fa5dc828052d2412736e8495c1282aa64

1 files changed, 9 insertions, 6 deletions

diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp
index d6a7d6f..6768e45 100644
--- a/lib/CodeGen/RegAllocBasic.cpp
+++ b/lib/CodeGen/RegAllocBasic.cpp
@@ -102,7 +102,7 @@ public:
   }
 
   virtual unsigned selectOrSplit(LiveInterval &VirtReg,
-                                 SmallVectorImpl<LiveInterval*> &SplitVRegs);
+                                 SmallVectorImpl<unsigned> &SplitVRegs);
 
   /// Perform register allocation.
   virtual bool runOnMachineFunction(MachineFunction &mf);
@@ -111,7 +111,7 @@ public:
   // that interfere with the most recently queried lvr.  Return true if spilling
   // was successful, and append any new spilled/split intervals to splitLVRs.
   bool spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,
-                          SmallVectorImpl<LiveInterval*> &SplitVRegs);
+                          SmallVectorImpl<unsigned> &SplitVRegs);
 
   static char ID;
 };
@@ -126,7 +126,6 @@ RABasic::RABasic(): MachineFunctionPass(ID) {
   initializeSlotIndexesPass(*PassRegistry::getPassRegistry());
   initializeRegisterCoalescerPass(*PassRegistry::getPassRegistry());
   initializeMachineSchedulerPass(*PassRegistry::getPassRegistry());
-  initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry());
   initializeLiveStacksPass(*PassRegistry::getPassRegistry());
   initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry());
   initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry());
@@ -143,7 +142,6 @@ void RABasic::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addPreserved<SlotIndexes>();
   AU.addRequired<LiveDebugVariables>();
   AU.addPreserved<LiveDebugVariables>();
-  AU.addRequired<CalculateSpillWeights>();
   AU.addRequired<LiveStacks>();
   AU.addPreserved<LiveStacks>();
   AU.addRequired<MachineBlockFrequencyInfo>();
@@ -168,7 +166,7 @@ void RABasic::releaseMemory() {
 // that interfere with VirtReg. The newly spilled or split live intervals are
 // returned by appending them to SplitVRegs.
 bool RABasic::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,
-                                 SmallVectorImpl<LiveInterval*> &SplitVRegs) {
+                                 SmallVectorImpl<unsigned> &SplitVRegs) {
   // Record each interference and determine if all are spillable before mutating
   // either the union or live intervals.
   SmallVector<LiveInterval*, 8> Intfs;
@@ -222,7 +220,7 @@ bool RABasic::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,
 // minimal, there is no value in caching them outside the scope of
 // selectOrSplit().
 unsigned RABasic::selectOrSplit(LiveInterval &VirtReg,
-                                SmallVectorImpl<LiveInterval*> &SplitVRegs) {
+                                SmallVectorImpl<unsigned> &SplitVRegs) {
   // Populate a list of physical register spill candidates.
   SmallVector<unsigned, 8> PhysRegSpillCands;
 
@@ -279,6 +277,11 @@ bool RABasic::runOnMachineFunction(MachineFunction &mf) {
   RegAllocBase::init(getAnalysis<VirtRegMap>(),
                      getAnalysis<LiveIntervals>(),
                      getAnalysis<LiveRegMatrix>());
+
+  calculateSpillWeightsAndHints(*LIS, *MF,
+                                getAnalysis<MachineLoopInfo>(),
+                                getAnalysis<MachineBlockFrequencyInfo>());
+
   SpillerInstance.reset(createInlineSpiller(*this, *MF, *VRM));
 
   allocatePhysRegs();