Merge fixed alloca stack adjustments into the prolog

src/IceConverter.cpp

 //===- subzero/src/IceConverter.cpp - Converts LLVM to Ice  ---------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 568 matching lines @@
     }
     return NewInst;
   }
 
   Ice::Inst *convertAllocaInstruction(const AllocaInst *Inst) {
     // PNaCl bitcode only contains allocas of byte-granular objects.
     Ice::Operand *ByteCount = convertValue(Inst->getArraySize());
     uint32_t Align = Inst->getAlignment();
     Ice::Variable *Dest = mapValueToIceVar(Inst, Ice::getPointerType());
 
-    return Ice::InstAlloca::create(Func.get(), ByteCount, Align, Dest);
+    return Ice::InstAlloca::create(Func.get(), Dest, ByteCount, Align);
   }
 
   Ice::Inst *convertUnreachableInstruction(const UnreachableInst * /*Inst*/) {
     return Ice::InstUnreachable::create(Func.get());
   }
 
   Ice::CfgNode *convertBasicBlock(const BasicBlock *BB) {
     Ice::CfgNode *Node = mapBasicBlockToNode(BB);
     for (const Instruction &II : *BB) {
       Ice::Inst *Inst = convertInstruction(&II);
@@ skipping 318 matching lines @@
       Ctx->pushTimer(TimerID, StackID);
     }
     LLVM2ICEFunctionConverter FunctionConverter(*this);
     FunctionConverter.convertFunction(&I);
     if (TimeThisFunction)
       Ctx->popTimer(TimerID, StackID);
   }
 }
 
 } // end of namespace Ice