Rename CreateRegForValue to CreateReg, and change its argument

from a Value to a Type, because it doesn't actually care about
the Value.

llvm-svn: 107383

llvm/lib/CodeGen/SelectionDAG/FastISel.cpp

@@ -1211,7 +1211,7 @@ bool FastISel::HandlePHINodesInSuccessorBlocks(const BasicBlock *LLVMBB) {
       // by bailing out early, we may leave behind some dead instructions,
       // since SelectionDAG's HandlePHINodesInSuccessorBlocks will insert its
       // own moves. Second, this check is necessary becuase FastISel doesn't
-      // use CreateRegForValue to create registers, so it always creates
+      // use CreateReg to create registers, so it always creates
       // exactly one register for each non-void instruction.
       EVT VT = TLI.getValueType(PN->getType(), /*AllowUnknown=*/true);
       if (VT == MVT::Other || !TLI.isTypeLegal(VT)) {

llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp

@@ -176,23 +176,23 @@ unsigned FunctionLoweringInfo::MakeReg(EVT VT) {
   return RegInfo->createVirtualRegister(TLI.getRegClassFor(VT));
 }
 
-/// CreateRegForValue - Allocate the appropriate number of virtual registers of
+/// CreateReg - Allocate the appropriate number of virtual registers of
 /// the correctly promoted or expanded types.  Assign these registers
 /// consecutive vreg numbers and return the first assigned number.
 ///
 /// In the case that the given value has struct or array type, this function
 /// will assign registers for each member or element.
 ///
-unsigned FunctionLoweringInfo::CreateRegForValue(const Value *V) {
+unsigned FunctionLoweringInfo::CreateReg(const Type *Ty) {
   SmallVector<EVT, 4> ValueVTs;
-  ComputeValueVTs(TLI, V->getType(), ValueVTs);
+  ComputeValueVTs(TLI, Ty, ValueVTs);
 
   unsigned FirstReg = 0;
   for (unsigned Value = 0, e = ValueVTs.size(); Value != e; ++Value) {
     EVT ValueVT = ValueVTs[Value];
-    EVT RegisterVT = TLI.getRegisterType(V->getContext(), ValueVT);
+    EVT RegisterVT = TLI.getRegisterType(Ty->getContext(), ValueVT);
 
-    unsigned NumRegs = TLI.getNumRegisters(V->getContext(), ValueVT);
+    unsigned NumRegs = TLI.getNumRegisters(Ty->getContext(), ValueVT);
     for (unsigned i = 0; i != NumRegs; ++i) {
       unsigned R = MakeReg(RegisterVT);
       if (!FirstReg) FirstReg = R;

llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.h

@@ -121,12 +121,12 @@ public:
     return ValueMap.count(V);
   }
 
-  unsigned CreateRegForValue(const Value *V);
+  unsigned CreateReg(const Type *Ty);
   
   unsigned InitializeRegForValue(const Value *V) {
     unsigned &R = ValueMap[V];
     assert(R == 0 && "Already initialized this value register!");
-    return R = CreateRegForValue(V);
+    return R = CreateReg(V->getType());
   }
 };
 

llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

@@ -6164,7 +6164,7 @@ SelectionDAGBuilder::HandlePHINodesInSuccessorBlocks(const BasicBlock *LLVMBB) {
       if (const Constant *C = dyn_cast<Constant>(PHIOp)) {
         unsigned &RegOut = ConstantsOut[C];
         if (RegOut == 0) {
-          RegOut = FuncInfo.CreateRegForValue(C);
+          RegOut = FuncInfo.CreateReg(C->getType());
           CopyValueToVirtualRegister(C, RegOut);
         }
         Reg = RegOut;
@@ -6177,7 +6177,7 @@ SelectionDAGBuilder::HandlePHINodesInSuccessorBlocks(const BasicBlock *LLVMBB) {
           assert(isa<AllocaInst>(PHIOp) &&
                  FuncInfo.StaticAllocaMap.count(cast<AllocaInst>(PHIOp)) &&
                  "Didn't codegen value into a register!??");
-          Reg = FuncInfo.CreateRegForValue(PHIOp);
+          Reg = FuncInfo.CreateReg(PHIOp->getType());
           CopyValueToVirtualRegister(PHIOp, Reg);
         }
       }

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -730,7 +730,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
           if (!BI->getType()->isVoidTy() && !BI->use_empty()) {
             unsigned &R = FuncInfo->ValueMap[BI];
             if (!R)
-              R = FuncInfo->CreateRegForValue(BI);
+              R = FuncInfo->CreateReg(BI->getType());
           }
 
           bool HadTailCall = false;