X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineFunction.cpp;h=20066a067b8f4766d14c3c9857610534fcc7b671;hb=23946fcaaefaf3c1a9d1ef86a3786f622c005f1a;hp=85532407ca43c98ad69138c37ab8794067176086;hpb=e9a7ea68653689966417443b8ac2528c1d9d3ccf;p=oota-llvm.git

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 85532407ca4..20066a067b8 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -65,7 +65,11 @@ MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
     FrameInfo->setMaxAlignment(Attribute::getStackAlignmentFromAttrs(
         Fn->getAttributes().getFnAttributes()));
   ConstantPool = new (Allocator) MachineConstantPool(TM.getTargetData());
-  Alignment = TM.getTargetLowering()->getFunctionAlignment(F);
+  Alignment = TM.getTargetLowering()->getMinFunctionAlignment();
+  // FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
+  if (!Fn->hasFnAttr(Attribute::OptimizeForSize))
+    Alignment = std::max(Alignment,
+                         TM.getTargetLowering()->getPrefFunctionAlignment());
   FunctionNumber = FunctionNum;
   JumpTableInfo = 0;
 }
@@ -148,10 +152,10 @@ void MachineFunction::RenumberBlocks(MachineBasicBlock *MBB) {
 /// of `new MachineInstr'.
 ///
 MachineInstr *
-MachineFunction::CreateMachineInstr(const TargetInstrDesc &TID,
+MachineFunction::CreateMachineInstr(const MCInstrDesc &MCID,
                                     DebugLoc DL, bool NoImp) {
   return new (InstructionRecycler.Allocate<MachineInstr>(Allocator))
-    MachineInstr(TID, DL, NoImp);
+    MachineInstr(MCID, DL, NoImp);
 }
 
 /// CloneMachineInstr - Create a new MachineInstr which is a copy of the
@@ -300,31 +304,19 @@ void MachineFunction::print(raw_ostream &OS, SlotIndexes *Indexes) const {
     OS << "Function Live Ins: ";
     for (MachineRegisterInfo::livein_iterator
          I = RegInfo->livein_begin(), E = RegInfo->livein_end(); I != E; ++I) {
-      if (TRI)
-        OS << "%" << TRI->getName(I->first);
-      else
-        OS << " %physreg" << I->first;
-      
+      OS << PrintReg(I->first, TRI);
       if (I->second)
-        OS << " in reg%" << I->second;
-
+        OS << " in " << PrintReg(I->second, TRI);
       if (llvm::next(I) != E)
         OS << ", ";
     }
     OS << '\n';
   }
   if (RegInfo && !RegInfo->liveout_empty()) {
-    OS << "Function Live Outs: ";
+    OS << "Function Live Outs:";
     for (MachineRegisterInfo::liveout_iterator
-         I = RegInfo->liveout_begin(), E = RegInfo->liveout_end(); I != E; ++I){
-      if (TRI)
-        OS << '%' << TRI->getName(*I);
-      else
-        OS << "%physreg" << *I;
-
-      if (llvm::next(I) != E)
-        OS << " ";
-    }
+         I = RegInfo->liveout_begin(), E = RegInfo->liveout_end(); I != E; ++I)
+      OS << ' ' << PrintReg(*I, TRI);
     OS << '\n';
   }
   
@@ -396,8 +388,7 @@ void MachineFunction::viewCFGOnly() const
 /// addLiveIn - Add the specified physical register as a live-in value and
 /// create a corresponding virtual register for it.
 unsigned MachineFunction::addLiveIn(unsigned PReg,
-                                    const TargetRegisterClass *RC,
-                                    DebugLoc DL) {
+                                    const TargetRegisterClass *RC) {
   MachineRegisterInfo &MRI = getRegInfo();
   unsigned VReg = MRI.getLiveInVirtReg(PReg);
   if (VReg) {
@@ -406,7 +397,6 @@ unsigned MachineFunction::addLiveIn(unsigned PReg,
   }
   VReg = MRI.createVirtualRegister(RC);
   MRI.addLiveIn(PReg, VReg);
-  MRI.addLiveInLoc(VReg, DL);
   return VReg;
 }
 
@@ -629,7 +619,7 @@ void MachineJumpTableInfo::dump() const { print(dbgs()); }
 //  MachineConstantPool implementation
 //===----------------------------------------------------------------------===//
 
-const Type *MachineConstantPoolEntry::getType() const {
+Type *MachineConstantPoolEntry::getType() const {
   if (isMachineConstantPoolEntry())
     return Val.MachineCPVal->getType();
   return Val.ConstVal->getType();
@@ -646,6 +636,10 @@ MachineConstantPool::~MachineConstantPool() {
   for (unsigned i = 0, e = Constants.size(); i != e; ++i)
     if (Constants[i].isMachineConstantPoolEntry())
       delete Constants[i].Val.MachineCPVal;
+  for (DenseSet<MachineConstantPoolValue*>::iterator I =
+       MachineCPVsSharingEntries.begin(), E = MachineCPVsSharingEntries.end();
+       I != E; ++I)
+    delete *I;
 }
 
 /// CanShareConstantPoolEntry - Test whether the given two constants
@@ -723,8 +717,10 @@ unsigned MachineConstantPool::getConstantPoolIndex(MachineConstantPoolValue *V,
   //
   // FIXME, this could be made much more efficient for large constant pools.
   int Idx = V->getExistingMachineCPValue(this, Alignment);
-  if (Idx != -1)
+  if (Idx != -1) {
+    MachineCPVsSharingEntries.insert(V);
     return (unsigned)Idx;
+  }
 
   Constants.push_back(MachineConstantPoolEntry(V, Alignment));
   return Constants.size()-1;