Reorganize the lifetimes of the major objects SelectionDAGISel
[oota-llvm.git] / lib / CodeGen / IntrinsicLowering.cpp
index 0d1da867ed0d339ff921dbfbe1a931cbf2181439..bd3c8c71f5b221c1b5efc707b85a2a939c29ba39 100644 (file)
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -55,8 +55,8 @@ static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
   }
 
   SmallVector<Value *, 8> Args(ArgBegin, ArgEnd);
-  CallInst *NewCI = new CallInst(FCache, Args.begin(), Args.end(),
-                                 CI->getName(), CI);
+  CallInst *NewCI = CallInst::Create(FCache, Args.begin(), Args.end(),
+                                     CI->getName(), CI);
   if (!CI->use_empty())
     CI->replaceAllUsesWith(NewCI);
   return NewCI;
@@ -81,22 +81,23 @@ void IntrinsicLowering::AddPrototypes(Module &M) {
         break;
       case Intrinsic::memcpy_i32:
       case Intrinsic::memcpy_i64:
-        M.getOrInsertFunction("memcpy", PointerType::get(Type::Int8Ty),
-                              PointerType::get(Type::Int8Ty), 
-                              PointerType::get(Type::Int8Ty), 
+        M.getOrInsertFunction("memcpy", PointerType::getUnqual(Type::Int8Ty),
+                              PointerType::getUnqual(Type::Int8Ty), 
+                              PointerType::getUnqual(Type::Int8Ty), 
                               TD.getIntPtrType(), (Type *)0);
         break;
       case Intrinsic::memmove_i32:
       case Intrinsic::memmove_i64:
-        M.getOrInsertFunction("memmove", PointerType::get(Type::Int8Ty),
-                              PointerType::get(Type::Int8Ty), 
-                              PointerType::get(Type::Int8Ty), 
+        M.getOrInsertFunction("memmove", PointerType::getUnqual(Type::Int8Ty),
+                              PointerType::getUnqual(Type::Int8Ty), 
+                              PointerType::getUnqual(Type::Int8Ty), 
                               TD.getIntPtrType(), (Type *)0);
         break;
       case Intrinsic::memset_i32:
       case Intrinsic::memset_i64:
-        M.getOrInsertFunction("memset", PointerType::get(Type::Int8Ty),
-                              PointerType::get(Type::Int8Ty), Type::Int32Ty, 
+        M.getOrInsertFunction("memset", PointerType::getUnqual(Type::Int8Ty),
+                              PointerType::getUnqual(Type::Int8Ty), 
+                              Type::Int32Ty, 
                               TD.getIntPtrType(), (Type *)0);
         break;
       case Intrinsic::sqrt:
@@ -172,76 +173,76 @@ static Value *LowerBSWAP(Value *V, Instruction *IP) {
   switch(BitSize) {
   default: assert(0 && "Unhandled type size of value to byteswap!");
   case 16: {
-    Value *Tmp1 = BinaryOperator::createShl(V,
+    Value *Tmp1 = BinaryOperator::CreateShl(V,
                                 ConstantInt::get(V->getType(),8),"bswap.2",IP);
-    Value *Tmp2 = BinaryOperator::createLShr(V,
+    Value *Tmp2 = BinaryOperator::CreateLShr(V,
                                 ConstantInt::get(V->getType(),8),"bswap.1",IP);
-    V = BinaryOperator::createOr(Tmp1, Tmp2, "bswap.i16", IP);
+    V = BinaryOperator::CreateOr(Tmp1, Tmp2, "bswap.i16", IP);
     break;
   }
   case 32: {
-    Value *Tmp4 = BinaryOperator::createShl(V,
+    Value *Tmp4 = BinaryOperator::CreateShl(V,
                               ConstantInt::get(V->getType(),24),"bswap.4", IP);
-    Value *Tmp3 = BinaryOperator::createShl(V,
+    Value *Tmp3 = BinaryOperator::CreateShl(V,
                               ConstantInt::get(V->getType(),8),"bswap.3",IP);
-    Value *Tmp2 = BinaryOperator::createLShr(V,
+    Value *Tmp2 = BinaryOperator::CreateLShr(V,
                               ConstantInt::get(V->getType(),8),"bswap.2",IP);
-    Value *Tmp1 = BinaryOperator::createLShr(V,
+    Value *Tmp1 = BinaryOperator::CreateLShr(V,
                               ConstantInt::get(V->getType(),24),"bswap.1", IP);
-    Tmp3 = BinaryOperator::createAnd(Tmp3, 
+    Tmp3 = BinaryOperator::CreateAnd(Tmp3, 
                                      ConstantInt::get(Type::Int32Ty, 0xFF0000),
                                      "bswap.and3", IP);
-    Tmp2 = BinaryOperator::createAnd(Tmp2, 
+    Tmp2 = BinaryOperator::CreateAnd(Tmp2, 
                                      ConstantInt::get(Type::Int32Ty, 0xFF00),
                                      "bswap.and2", IP);
-    Tmp4 = BinaryOperator::createOr(Tmp4, Tmp3, "bswap.or1", IP);
-    Tmp2 = BinaryOperator::createOr(Tmp2, Tmp1, "bswap.or2", IP);
-    V = BinaryOperator::createOr(Tmp4, Tmp2, "bswap.i32", IP);
+    Tmp4 = BinaryOperator::CreateOr(Tmp4, Tmp3, "bswap.or1", IP);
+    Tmp2 = BinaryOperator::CreateOr(Tmp2, Tmp1, "bswap.or2", IP);
+    V = BinaryOperator::CreateOr(Tmp4, Tmp2, "bswap.i32", IP);
     break;
   }
   case 64: {
-    Value *Tmp8 = BinaryOperator::createShl(V,
+    Value *Tmp8 = BinaryOperator::CreateShl(V,
                               ConstantInt::get(V->getType(),56),"bswap.8", IP);
-    Value *Tmp7 = BinaryOperator::createShl(V,
+    Value *Tmp7 = BinaryOperator::CreateShl(V,
                               ConstantInt::get(V->getType(),40),"bswap.7", IP);
-    Value *Tmp6 = BinaryOperator::createShl(V,
+    Value *Tmp6 = BinaryOperator::CreateShl(V,
                               ConstantInt::get(V->getType(),24),"bswap.6", IP);
-    Value *Tmp5 = BinaryOperator::createShl(V,
+    Value *Tmp5 = BinaryOperator::CreateShl(V,
                               ConstantInt::get(V->getType(),8),"bswap.5", IP);
-    Value* Tmp4 = BinaryOperator::createLShr(V,
+    Value* Tmp4 = BinaryOperator::CreateLShr(V,
                               ConstantInt::get(V->getType(),8),"bswap.4", IP);
-    Value* Tmp3 = BinaryOperator::createLShr(V,
+    Value* Tmp3 = BinaryOperator::CreateLShr(V,
                               ConstantInt::get(V->getType(),24),"bswap.3", IP);
-    Value* Tmp2 = BinaryOperator::createLShr(V,
+    Value* Tmp2 = BinaryOperator::CreateLShr(V,
                               ConstantInt::get(V->getType(),40),"bswap.2", IP);
-    Value* Tmp1 = BinaryOperator::createLShr(V,
+    Value* Tmp1 = BinaryOperator::CreateLShr(V,
                               ConstantInt::get(V->getType(),56),"bswap.1", IP);
-    Tmp7 = BinaryOperator::createAnd(Tmp7,
+    Tmp7 = BinaryOperator::CreateAnd(Tmp7,
                              ConstantInt::get(Type::Int64Ty, 
                                0xFF000000000000ULL),
                              "bswap.and7", IP);
-    Tmp6 = BinaryOperator::createAnd(Tmp6,
+    Tmp6 = BinaryOperator::CreateAnd(Tmp6,
                              ConstantInt::get(Type::Int64Ty, 0xFF0000000000ULL),
                              "bswap.and6", IP);
-    Tmp5 = BinaryOperator::createAnd(Tmp5,
+    Tmp5 = BinaryOperator::CreateAnd(Tmp5,
                              ConstantInt::get(Type::Int64Ty, 0xFF00000000ULL),
                              "bswap.and5", IP);
-    Tmp4 = BinaryOperator::createAnd(Tmp4,
+    Tmp4 = BinaryOperator::CreateAnd(Tmp4,
                              ConstantInt::get(Type::Int64Ty, 0xFF000000ULL),
                              "bswap.and4", IP);
-    Tmp3 = BinaryOperator::createAnd(Tmp3,
+    Tmp3 = BinaryOperator::CreateAnd(Tmp3,
                              ConstantInt::get(Type::Int64Ty, 0xFF0000ULL),
                              "bswap.and3", IP);
-    Tmp2 = BinaryOperator::createAnd(Tmp2,
+    Tmp2 = BinaryOperator::CreateAnd(Tmp2,
                              ConstantInt::get(Type::Int64Ty, 0xFF00ULL),
                              "bswap.and2", IP);
-    Tmp8 = BinaryOperator::createOr(Tmp8, Tmp7, "bswap.or1", IP);
-    Tmp6 = BinaryOperator::createOr(Tmp6, Tmp5, "bswap.or2", IP);
-    Tmp4 = BinaryOperator::createOr(Tmp4, Tmp3, "bswap.or3", IP);
-    Tmp2 = BinaryOperator::createOr(Tmp2, Tmp1, "bswap.or4", IP);
-    Tmp8 = BinaryOperator::createOr(Tmp8, Tmp6, "bswap.or5", IP);
-    Tmp4 = BinaryOperator::createOr(Tmp4, Tmp2, "bswap.or6", IP);
-    V = BinaryOperator::createOr(Tmp8, Tmp4, "bswap.i64", IP);
+    Tmp8 = BinaryOperator::CreateOr(Tmp8, Tmp7, "bswap.or1", IP);
+    Tmp6 = BinaryOperator::CreateOr(Tmp6, Tmp5, "bswap.or2", IP);
+    Tmp4 = BinaryOperator::CreateOr(Tmp4, Tmp3, "bswap.or3", IP);
+    Tmp2 = BinaryOperator::CreateOr(Tmp2, Tmp1, "bswap.or4", IP);
+    Tmp8 = BinaryOperator::CreateOr(Tmp8, Tmp6, "bswap.or5", IP);
+    Tmp4 = BinaryOperator::CreateOr(Tmp4, Tmp2, "bswap.or6", IP);
+    V = BinaryOperator::CreateOr(Tmp8, Tmp4, "bswap.i64", IP);
     break;
   }
   }
@@ -268,16 +269,16 @@ static Value *LowerCTPOP(Value *V, Instruction *IP) {
     for (unsigned i = 1, ct = 0; i < (BitSize>64 ? 64 : BitSize); 
          i <<= 1, ++ct) {
       Value *MaskCst = ConstantInt::get(V->getType(), MaskValues[ct]);
-      Value *LHS = BinaryOperator::createAnd(
+      Value *LHS = BinaryOperator::CreateAnd(
                      PartValue, MaskCst, "cppop.and1", IP);
-      Value *VShift = BinaryOperator::createLShr(PartValue,
+      Value *VShift = BinaryOperator::CreateLShr(PartValue,
                         ConstantInt::get(V->getType(), i), "ctpop.sh", IP);
-      Value *RHS = BinaryOperator::createAnd(VShift, MaskCst, "cppop.and2", IP);
-      PartValue = BinaryOperator::createAdd(LHS, RHS, "ctpop.step", IP);
+      Value *RHS = BinaryOperator::CreateAnd(VShift, MaskCst, "cppop.and2", IP);
+      PartValue = BinaryOperator::CreateAdd(LHS, RHS, "ctpop.step", IP);
     }
-    Count = BinaryOperator::createAdd(PartValue, Count, "ctpop.part", IP);
+    Count = BinaryOperator::CreateAdd(PartValue, Count, "ctpop.part", IP);
     if (BitSize > 64) {
-      V = BinaryOperator::createLShr(V, ConstantInt::get(V->getType(), 64), 
+      V = BinaryOperator::CreateLShr(V, ConstantInt::get(V->getType(), 64), 
                                      "ctpop.part.sh", IP);
       BitSize -= 64;
     }
@@ -293,11 +294,11 @@ static Value *LowerCTLZ(Value *V, Instruction *IP) {
   unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
   for (unsigned i = 1; i < BitSize; i <<= 1) {
     Value *ShVal = ConstantInt::get(V->getType(), i);
-    ShVal = BinaryOperator::createLShr(V, ShVal, "ctlz.sh", IP);
-    V = BinaryOperator::createOr(V, ShVal, "ctlz.step", IP);
+    ShVal = BinaryOperator::CreateLShr(V, ShVal, "ctlz.sh", IP);
+    V = BinaryOperator::CreateOr(V, ShVal, "ctlz.step", IP);
   }
 
-  V = BinaryOperator::createNot(V, "", IP);
+  V = BinaryOperator::CreateNot(V, "", IP);
   return LowerCTPOP(V, IP);
 }
 
@@ -338,26 +339,26 @@ static Instruction *LowerPartSelect(CallInst *CI) {
     Function::arg_iterator args = F->arg_begin();
     Value* Val = args++; Val->setName("Val");
     Value* Lo = args++; Lo->setName("Lo");
-    Value* Hi  = args++; Hi->setName("High");
+    Value* Hi = args++; Hi->setName("High");
 
     // We want to select a range of bits here such that [Hi, Lo] is shifted
     // down to the low bits. However, it is quite possible that Hi is smaller
     // than Lo in which case the bits have to be reversed. 
     
     // Create the blocks we will need for the two cases (forward, reverse)
-    BasicBlock* CurBB   = new BasicBlock("entry", F);
-    BasicBlock *RevSize = new BasicBlock("revsize", CurBB->getParent());
-    BasicBlock *FwdSize = new BasicBlock("fwdsize", CurBB->getParent());
-    BasicBlock *Compute = new BasicBlock("compute", CurBB->getParent());
-    BasicBlock *Reverse = new BasicBlock("reverse", CurBB->getParent());
-    BasicBlock *RsltBlk = new BasicBlock("result",  CurBB->getParent());
+    BasicBlock* CurBB   = BasicBlock::Create("entry", F);
+    BasicBlock *RevSize = BasicBlock::Create("revsize", CurBB->getParent());
+    BasicBlock *FwdSize = BasicBlock::Create("fwdsize", CurBB->getParent());
+    BasicBlock *Compute = BasicBlock::Create("compute", CurBB->getParent());
+    BasicBlock *Reverse = BasicBlock::Create("reverse", CurBB->getParent());
+    BasicBlock *RsltBlk = BasicBlock::Create("result",  CurBB->getParent());
 
     // Cast Hi and Lo to the size of Val so the widths are all the same
     if (Hi->getType() != Val->getType())
-      Hi = CastInst::createIntegerCast(Hi, Val->getType(), false, 
+      Hi = CastInst::CreateIntegerCast(Hi, Val->getType(), false, 
                                          "tmp", CurBB);
     if (Lo->getType() != Val->getType())
-      Lo = CastInst::createIntegerCast(Lo, Val->getType(), false, 
+      Lo = CastInst::CreateIntegerCast(Lo, Val->getType(), false, 
                                           "tmp", CurBB);
 
     // Compute a few things that both cases will need, up front.
@@ -368,17 +369,17 @@ static Instruction *LowerPartSelect(CallInst *CI) {
     // Compare the Hi and Lo bit positions. This is used to determine 
     // which case we have (forward or reverse)
     ICmpInst *Cmp = new ICmpInst(ICmpInst::ICMP_ULT, Hi, Lo, "less",CurBB);
-    new BranchInst(RevSize, FwdSize, Cmp, CurBB);
+    BranchInst::Create(RevSize, FwdSize, Cmp, CurBB);
 
     // First, copmute the number of bits in the forward case.
     Instruction* FBitSize = 
-      BinaryOperator::createSub(Hi, Lo,"fbits", FwdSize);
-    new BranchInst(Compute, FwdSize);
+      BinaryOperator::CreateSub(Hi, Lo,"fbits", FwdSize);
+    BranchInst::Create(Compute, FwdSize);
 
     // Second, compute the number of bits in the reverse case.
     Instruction* RBitSize = 
-      BinaryOperator::createSub(Lo, Hi, "rbits", RevSize);
-    new BranchInst(Compute, RevSize);
+      BinaryOperator::CreateSub(Lo, Hi, "rbits", RevSize);
+    BranchInst::Create(Compute, RevSize);
 
     // Now, compute the bit range. Start by getting the bitsize and the shift
     // amount (either Hi or Lo) from PHI nodes. Then we compute a mask for 
@@ -388,83 +389,83 @@ static Instruction *LowerPartSelect(CallInst *CI) {
     // reversed.
 
     // Get the BitSize from one of the two subtractions
-    PHINode *BitSize = new PHINode(Val->getType(), "bits", Compute);
+    PHINode *BitSize = PHINode::Create(Val->getType(), "bits", Compute);
     BitSize->reserveOperandSpace(2);
     BitSize->addIncoming(FBitSize, FwdSize);
     BitSize->addIncoming(RBitSize, RevSize);
 
     // Get the ShiftAmount as the smaller of Hi/Lo
-    PHINode *ShiftAmt = new PHINode(Val->getType(), "shiftamt", Compute);
+    PHINode *ShiftAmt = PHINode::Create(Val->getType(), "shiftamt", Compute);
     ShiftAmt->reserveOperandSpace(2);
     ShiftAmt->addIncoming(Lo, FwdSize);
     ShiftAmt->addIncoming(Hi, RevSize);
 
     // Increment the bit size
     Instruction *BitSizePlusOne = 
-      BinaryOperator::createAdd(BitSize, One, "bits", Compute);
+      BinaryOperator::CreateAdd(BitSize, One, "bits", Compute);
 
     // Create a Mask to zero out the high order bits.
     Instruction* Mask = 
-      BinaryOperator::createShl(AllOnes, BitSizePlusOne, "mask", Compute);
-    Mask = BinaryOperator::createNot(Mask, "mask", Compute);
+      BinaryOperator::CreateShl(AllOnes, BitSizePlusOne, "mask", Compute);
+    Mask = BinaryOperator::CreateNot(Mask, "mask", Compute);
 
     // Shift the bits down and apply the mask
     Instruction* FRes = 
-      BinaryOperator::createLShr(Val, ShiftAmt, "fres", Compute);
-    FRes = BinaryOperator::createAnd(FRes, Mask, "fres", Compute);
-    new BranchInst(Reverse, RsltBlk, Cmp, Compute);
+      BinaryOperator::CreateLShr(Val, ShiftAmt, "fres", Compute);
+    FRes = BinaryOperator::CreateAnd(FRes, Mask, "fres", Compute);
+    BranchInst::Create(Reverse, RsltBlk, Cmp, Compute);
 
     // In the Reverse block we have the mask already in FRes but we must reverse
     // it by shifting FRes bits right and putting them in RRes by shifting them 
     // in from left.
 
     // First set up our loop counters
-    PHINode *Count = new PHINode(Val->getType(), "count", Reverse);
+    PHINode *Count = PHINode::Create(Val->getType(), "count", Reverse);
     Count->reserveOperandSpace(2);
     Count->addIncoming(BitSizePlusOne, Compute);
 
     // Next, get the value that we are shifting.
-    PHINode *BitsToShift   = new PHINode(Val->getType(), "val", Reverse);
+    PHINode *BitsToShift = PHINode::Create(Val->getType(), "val", Reverse);
     BitsToShift->reserveOperandSpace(2);
     BitsToShift->addIncoming(FRes, Compute);
 
     // Finally, get the result of the last computation
-    PHINode *RRes  = new PHINode(Val->getType(), "rres", Reverse);
+    PHINode *RRes = PHINode::Create(Val->getType(), "rres", Reverse);
     RRes->reserveOperandSpace(2);
     RRes->addIncoming(Zero, Compute);
 
     // Decrement the counter
-    Instruction *Decr = BinaryOperator::createSub(Count, One, "decr", Reverse);
+    Instruction *Decr = BinaryOperator::CreateSub(Count, One, "decr", Reverse);
     Count->addIncoming(Decr, Reverse);
 
     // Compute the Bit that we want to move
     Instruction *Bit = 
-      BinaryOperator::createAnd(BitsToShift, One, "bit", Reverse);
+      BinaryOperator::CreateAnd(BitsToShift, One, "bit", Reverse);
 
     // Compute the new value for next iteration.
     Instruction *NewVal = 
-      BinaryOperator::createLShr(BitsToShift, One, "rshift", Reverse);
+      BinaryOperator::CreateLShr(BitsToShift, One, "rshift", Reverse);
     BitsToShift->addIncoming(NewVal, Reverse);
 
     // Shift the bit into the low bits of the result.
     Instruction *NewRes = 
-      BinaryOperator::createShl(RRes, One, "lshift", Reverse);
-    NewRes = BinaryOperator::createOr(NewRes, Bit, "addbit", Reverse);
+      BinaryOperator::CreateShl(RRes, One, "lshift", Reverse);
+    NewRes = BinaryOperator::CreateOr(NewRes, Bit, "addbit", Reverse);
     RRes->addIncoming(NewRes, Reverse);
     
     // Terminate loop if we've moved all the bits.
     ICmpInst *Cond = 
       new ICmpInst(ICmpInst::ICMP_EQ, Decr, Zero, "cond", Reverse);
-    new BranchInst(RsltBlk, Reverse, Cond, Reverse);
+    BranchInst::Create(RsltBlk, Reverse, Cond, Reverse);
 
     // Finally, in the result block, select one of the two results with a PHI
     // node and return the result;
     CurBB = RsltBlk;
-    PHINode *BitSelect = new PHINode(Val->getType(), "part_select", CurBB);
+    PHINode *BitSelect = PHINode::Create(Val->getType(), "part_select", CurBB);
     BitSelect->reserveOperandSpace(2);
     BitSelect->addIncoming(FRes, Compute);
     BitSelect->addIncoming(NewRes, Reverse);
-    new ReturnInst(BitSelect, CurBB);
+    ReturnInst::Create(BitSelect, CurBB);
   }
 
   // Return a call to the implementation function
@@ -473,7 +474,7 @@ static Instruction *LowerPartSelect(CallInst *CI) {
     CI->getOperand(2),
     CI->getOperand(3)
   };
-  return new CallInst(F, Args, array_endof(Args), CI->getName(), CI);
+  return CallInst::Create(F, Args, array_endof(Args), CI->getName(), CI);
 }
 
 /// Convert the llvm.part.set.iX.iY.iZ intrinsic. This intrinsic takes 
@@ -530,20 +531,20 @@ static Instruction *LowerPartSet(CallInst *CI) {
     ConstantInt* ValZero = ConstantInt::get(ValTy, 0);
 
     // Basic blocks we fill in below.
-    BasicBlock* entry = new BasicBlock("entry", F, 0);
-    BasicBlock* large = new BasicBlock("large", F, 0);
-    BasicBlock* small = new BasicBlock("small", F, 0);
-    BasicBlock* reverse = new BasicBlock("reverse", F, 0);
-    BasicBlock* result = new BasicBlock("result", F, 0);
+    BasicBlock* entry = BasicBlock::Create("entry", F, 0);
+    BasicBlock* large = BasicBlock::Create("large", F, 0);
+    BasicBlock* small = BasicBlock::Create("small", F, 0);
+    BasicBlock* reverse = BasicBlock::Create("reverse", F, 0);
+    BasicBlock* result = BasicBlock::Create("result", F, 0);
 
     // BASIC BLOCK: entry
     // First, get the number of bits that we're placing as an i32
     ICmpInst* is_forward = 
       new ICmpInst(ICmpInst::ICMP_ULT, Lo, Hi, "", entry);
-    SelectInst* Hi_pn = new SelectInst(is_forward, Hi, Lo, "", entry);
-    SelectInst* Lo_pn = new SelectInst(is_forward, Lo, Hi, "", entry);
-    BinaryOperator* NumBits = BinaryOperator::createSub(Hi_pn, Lo_pn, "",entry);
-    NumBits = BinaryOperator::createAdd(NumBits, One, "", entry);
+    SelectInst* Hi_pn = SelectInst::Create(is_forward, Hi, Lo, "", entry);
+    SelectInst* Lo_pn = SelectInst::Create(is_forward, Lo, Hi, "", entry);
+    BinaryOperator* NumBits = BinaryOperator::CreateSub(Hi_pn, Lo_pn, "",entry);
+    NumBits = BinaryOperator::CreateAdd(NumBits, One, "", entry);
     // Now, convert Lo and Hi to ValTy bit width
     if (ValBits > 32) {
       Lo = new ZExtInst(Lo_pn, ValTy, "", entry);
@@ -554,20 +555,20 @@ static Instruction *LowerPartSet(CallInst *CI) {
     // are replacing and deal with it.
     ICmpInst* is_large = 
       new ICmpInst(ICmpInst::ICMP_ULT, NumBits, RepBitWidth, "", entry);
-    new BranchInst(large, small, is_large, entry);
+    BranchInst::Create(large, small, is_large, entry);
 
     // BASIC BLOCK: large
     Instruction* MaskBits = 
-      BinaryOperator::createSub(RepBitWidth, NumBits, "", large);
-    MaskBits = CastInst::createIntegerCast(MaskBits, RepMask->getType(), 
+      BinaryOperator::CreateSub(RepBitWidth, NumBits, "", large);
+    MaskBits = CastInst::CreateIntegerCast(MaskBits, RepMask->getType(), 
                                            false, "", large);
     BinaryOperator* Mask1 = 
-      BinaryOperator::createLShr(RepMask, MaskBits, "", large);
-    BinaryOperator* Rep2 = BinaryOperator::createAnd(Mask1, Rep, "", large);
-    new BranchInst(small, large);
+      BinaryOperator::CreateLShr(RepMask, MaskBits, "", large);
+    BinaryOperator* Rep2 = BinaryOperator::CreateAnd(Mask1, Rep, "", large);
+    BranchInst::Create(small, large);
 
     // BASIC BLOCK: small
-    PHINode* Rep3 = new PHINode(RepTy, "", small);
+    PHINode* Rep3 = PHINode::Create(RepTy, "", small);
     Rep3->reserveOperandSpace(2);
     Rep3->addIncoming(Rep2, large);
     Rep3->addIncoming(Rep, entry);
@@ -576,60 +577,60 @@ static Instruction *LowerPartSet(CallInst *CI) {
       Rep4 = new ZExtInst(Rep3, ValTy, "", small);
     else if (ValBits < RepBits)
       Rep4 = new TruncInst(Rep3, ValTy, "", small);
-    new BranchInst(result, reverse, is_forward, small);
+    BranchInst::Create(result, reverse, is_forward, small);
 
     // BASIC BLOCK: reverse (reverses the bits of the replacement)
     // Set up our loop counter as a PHI so we can decrement on each iteration.
     // We will loop for the number of bits in the replacement value.
-    PHINode *Count = new PHINode(Type::Int32Ty, "count", reverse);
+    PHINode *Count = PHINode::Create(Type::Int32Ty, "count", reverse);
     Count->reserveOperandSpace(2);
     Count->addIncoming(NumBits, small);
 
     // Get the value that we are shifting bits out of as a PHI because
     // we'll change this with each iteration.
-    PHINode *BitsToShift   = new PHINode(Val->getType(), "val", reverse);
+    PHINode *BitsToShift = PHINode::Create(Val->getType(), "val", reverse);
     BitsToShift->reserveOperandSpace(2);
     BitsToShift->addIncoming(Rep4, small);
 
     // Get the result of the last computation or zero on first iteration
-    PHINode *RRes  = new PHINode(Val->getType(), "rres", reverse);
+    PHINode *RRes = PHINode::Create(Val->getType(), "rres", reverse);
     RRes->reserveOperandSpace(2);
     RRes->addIncoming(ValZero, small);
 
     // Decrement the loop counter by one
-    Instruction *Decr = BinaryOperator::createSub(Count, One, "", reverse);
+    Instruction *Decr = BinaryOperator::CreateSub(Count, One, "", reverse);
     Count->addIncoming(Decr, reverse);
 
     // Get the bit that we want to move into the result
-    Value *Bit = BinaryOperator::createAnd(BitsToShift, ValOne, "", reverse);
+    Value *Bit = BinaryOperator::CreateAnd(BitsToShift, ValOne, "", reverse);
 
     // Compute the new value of the bits to shift for the next iteration.
-    Value *NewVal = BinaryOperator::createLShr(BitsToShift, ValOne,"", reverse);
+    Value *NewVal = BinaryOperator::CreateLShr(BitsToShift, ValOne,"", reverse);
     BitsToShift->addIncoming(NewVal, reverse);
 
     // Shift the bit we extracted into the low bit of the result.
-    Instruction *NewRes = BinaryOperator::createShl(RRes, ValOne, "", reverse);
-    NewRes = BinaryOperator::createOr(NewRes, Bit, "", reverse);
+    Instruction *NewRes = BinaryOperator::CreateShl(RRes, ValOne, "", reverse);
+    NewRes = BinaryOperator::CreateOr(NewRes, Bit, "", reverse);
     RRes->addIncoming(NewRes, reverse);
     
     // Terminate loop if we've moved all the bits.
     ICmpInst *Cond = new ICmpInst(ICmpInst::ICMP_EQ, Decr, Zero, "", reverse);
-    new BranchInst(result, reverse, Cond, reverse);
+    BranchInst::Create(result, reverse, Cond, reverse);
 
     // BASIC BLOCK: result
-    PHINode *Rplcmnt  = new PHINode(Val->getType(), "", result);
+    PHINode *Rplcmnt = PHINode::Create(Val->getType(), "", result);
     Rplcmnt->reserveOperandSpace(2);
     Rplcmnt->addIncoming(NewRes, reverse);
     Rplcmnt->addIncoming(Rep4, small);
-    Value* t0   = CastInst::createIntegerCast(NumBits,ValTy,false,"",result);
-    Value* t1   = BinaryOperator::createShl(ValMask, Lo, "", result);
-    Value* t2   = BinaryOperator::createNot(t1, "", result);
-    Value* t3   = BinaryOperator::createShl(t1, t0, "", result);
-    Value* t4   = BinaryOperator::createOr(t2, t3, "", result);
-    Value* t5   = BinaryOperator::createAnd(t4, Val, "", result);
-    Value* t6   = BinaryOperator::createShl(Rplcmnt, Lo, "", result);
-    Value* Rslt = BinaryOperator::createOr(t5, t6, "part_set", result);
-    new ReturnInst(Rslt, result);
+    Value* t0   = CastInst::CreateIntegerCast(NumBits,ValTy,false,"",result);
+    Value* t1   = BinaryOperator::CreateShl(ValMask, Lo, "", result);
+    Value* t2   = BinaryOperator::CreateNot(t1, "", result);
+    Value* t3   = BinaryOperator::CreateShl(t1, t0, "", result);
+    Value* t4   = BinaryOperator::CreateOr(t2, t3, "", result);
+    Value* t5   = BinaryOperator::CreateAnd(t4, Val, "", result);
+    Value* t6   = BinaryOperator::CreateShl(Rplcmnt, Lo, "", result);
+    Value* Rslt = BinaryOperator::CreateOr(t5, t6, "part_set", result);
+    ReturnInst::Create(Rslt, result);
   }
 
   // Return a call to the implementation function
@@ -639,7 +640,7 @@ static Instruction *LowerPartSet(CallInst *CI) {
     CI->getOperand(3),
     CI->getOperand(4)
   };
-  return new CallInst(F, Args, array_endof(Args), CI->getName(), CI);
+  return CallInst::Create(F, Args, array_endof(Args), CI->getName(), CI);
 }
 
 
@@ -703,10 +704,10 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   case Intrinsic::cttz: {
     // cttz(x) -> ctpop(~X & (X-1))
     Value *Src = CI->getOperand(1);
-    Value *NotSrc = BinaryOperator::createNot(Src, Src->getName()+".not", CI);
-    Value *SrcM1  = ConstantInt::get(Src->getType(), 1);
-    SrcM1 = BinaryOperator::createSub(Src, SrcM1, "", CI);
-    Src = LowerCTPOP(BinaryOperator::createAnd(NotSrc, SrcM1, "", CI), CI);
+    Value *NotSrc = BinaryOperator::CreateNot(Src, Src->getName()+".not", CI);
+    Value *SrcM1 = ConstantInt::get(Src->getType(), 1);
+    SrcM1 = BinaryOperator::CreateSub(Src, SrcM1, "", CI);
+    Src = LowerCTPOP(BinaryOperator::CreateAnd(NotSrc, SrcM1, "", CI), CI);
     CI->replaceAllUsesWith(Src);
     break;
   }