Use more type helper functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193109 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/ScalarEvolution.cpp

@@ -3167,7 +3167,7 @@ const SCEV *ScalarEvolution::createNodeForGEP(GEPOperator *GEP) {
   Type *IntPtrTy = getEffectiveSCEVType(GEP->getType());
   Value *Base = GEP->getOperand(0);
   // Don't attempt to analyze GEPs over unsized objects.
-  if (!cast<PointerType>(Base->getType())->getElementType()->isSized())
+  if (!Base->getType()->getPointerElementType()->isSized())
     return getUnknown(GEP);
 
   // Don't blindly transfer the inbounds flag from the GEP instruction to the

lib/Transforms/IPO/GlobalOpt.cpp

@@ -1175,8 +1175,7 @@ static Value *GetHeapSROAValue(Value *V, unsigned FieldNo,
   } else if (PHINode *PN = dyn_cast<PHINode>(V)) {
     // PN's type is pointer to struct.  Make a new PHI of pointer to struct
     // field.
-    StructType *ST =
-      cast<StructType>(cast<PointerType>(PN->getType())->getElementType());
+    StructType *ST = cast<StructType>(PN->getType()->getPointerElementType());
 
     PHINode *NewPN =
      PHINode::Create(PointerType::getUnqual(ST->getElementType(FieldNo)),
@@ -2013,8 +2012,7 @@ static GlobalVariable *InstallGlobalCtors(GlobalVariable *GCL,
   CSVals[1] = 0;
 
   StructType *StructTy =
-    cast <StructType>(
-    cast<ArrayType>(GCL->getType()->getElementType())->getElementType());
+    cast<StructType>(GCL->getType()->getElementType()->getArrayElementType());
 
   // Create the new init list.
   std::vector<Constant*> CAList;

lib/Transforms/Scalar/GVN.cpp

@@ -1172,7 +1172,7 @@ static Value *GetLoadValueForLoad(LoadInst *SrcVal, unsigned Offset,
     Type *DestPTy =
       IntegerType::get(LoadTy->getContext(), NewLoadSize*8);
     DestPTy = PointerType::get(DestPTy,
-                       cast<PointerType>(PtrVal->getType())->getAddressSpace());
+                               PtrVal->getType()->getPointerAddressSpace());
     Builder.SetCurrentDebugLocation(SrcVal->getDebugLoc());
     PtrVal = Builder.CreateBitCast(PtrVal, DestPTy);
     LoadInst *NewLoad = Builder.CreateLoad(PtrVal);

lib/Transforms/Vectorize/BBVectorize.cpp

@@ -625,10 +625,10 @@ namespace {
         ConstantInt *IntOff = ConstOffSCEV->getValue();
         int64_t Offset = IntOff->getSExtValue();
 
-        Type *VTy = cast<PointerType>(IPtr->getType())->getElementType();
+        Type *VTy = IPtr->getType()->getPointerElementType();
         int64_t VTyTSS = (int64_t) TD->getTypeStoreSize(VTy);
 
-        Type *VTy2 = cast<PointerType>(JPtr->getType())->getElementType();
+        Type *VTy2 = JPtr->getType()->getPointerElementType();
         if (VTy != VTy2 && Offset < 0) {
           int64_t VTy2TSS = (int64_t) TD->getTypeStoreSize(VTy2);
           OffsetInElmts = Offset/VTy2TSS;
@@ -2231,11 +2231,12 @@ namespace {
     // The pointer value is taken to be the one with the lowest offset.
     Value *VPtr = IPtr;
 
-    Type *ArgTypeI = cast<PointerType>(IPtr->getType())->getElementType();
-    Type *ArgTypeJ = cast<PointerType>(JPtr->getType())->getElementType();
+    Type *ArgTypeI = IPtr->getType()->getPointerElementType();
+    Type *ArgTypeJ = JPtr->getType()->getPointerElementType();
     Type *VArgType = getVecTypeForPair(ArgTypeI, ArgTypeJ);
-    Type *VArgPtrType = PointerType::get(VArgType,
-      cast<PointerType>(IPtr->getType())->getAddressSpace());
+    Type *VArgPtrType
+      = PointerType::get(VArgType,
+                         IPtr->getType()->getPointerAddressSpace());
     return new BitCastInst(VPtr, VArgPtrType, getReplacementName(I, true, o),
                         /* insert before */ I);
   }
@@ -2244,7 +2245,7 @@ namespace {
                      unsigned MaskOffset, unsigned NumInElem,
                      unsigned NumInElem1, unsigned IdxOffset,
                      std::vector<Constant*> &Mask) {
-    unsigned NumElem1 = cast<VectorType>(J->getType())->getNumElements();
+    unsigned NumElem1 = J->getType()->getVectorNumElements();
     for (unsigned v = 0; v < NumElem1; ++v) {
       int m = cast<ShuffleVectorInst>(J)->getMaskValue(v);
       if (m < 0) {
@@ -2271,18 +2272,18 @@ namespace {
     Type *ArgTypeJ = J->getType();
     Type *VArgType = getVecTypeForPair(ArgTypeI, ArgTypeJ);
 
-    unsigned NumElemI = cast<VectorType>(ArgTypeI)->getNumElements();
+    unsigned NumElemI = ArgTypeI->getVectorNumElements();
 
     // Get the total number of elements in the fused vector type.
     // By definition, this must equal the number of elements in
     // the final mask.
-    unsigned NumElem = cast<VectorType>(VArgType)->getNumElements();
+    unsigned NumElem = VArgType->getVectorNumElements();
     std::vector<Constant*> Mask(NumElem);
 
     Type *OpTypeI = I->getOperand(0)->getType();
-    unsigned NumInElemI = cast<VectorType>(OpTypeI)->getNumElements();
+    unsigned NumInElemI = OpTypeI->getVectorNumElements();
     Type *OpTypeJ = J->getOperand(0)->getType();
-    unsigned NumInElemJ = cast<VectorType>(OpTypeJ)->getNumElements();
+    unsigned NumInElemJ = OpTypeJ->getVectorNumElements();
 
     // The fused vector will be:
     // -----------------------------------------------------
@@ -2427,11 +2428,12 @@ namespace {
 
       if (CanUseInputs) {
         unsigned LOpElem =
-          cast<VectorType>(cast<Instruction>(LOp)->getOperand(0)->getType())
-            ->getNumElements();
+          cast<Instruction>(LOp)->getOperand(0)->getType()
+            ->getVectorNumElements();
+
         unsigned HOpElem =
-          cast<VectorType>(cast<Instruction>(HOp)->getOperand(0)->getType())
-            ->getNumElements();
+          cast<Instruction>(HOp)->getOperand(0)->getType()
+            ->getVectorNumElements();
 
         // We have one or two input vectors. We need to map each index of the
         // operands to the index of the original vector.
@@ -2647,14 +2649,14 @@ namespace {
                                            getReplacementName(IBeforeJ ? I : J,
                                                               true, o, 1));
         }
-  
+
         NHOp->insertBefore(IBeforeJ ? J : I);
         HOp = NHOp;
       }
     }
 
     if (ArgType->isVectorTy()) {
-      unsigned numElem = cast<VectorType>(VArgType)->getNumElements();
+      unsigned numElem = VArgType->getVectorNumElements();
       std::vector<Constant*> Mask(numElem);
       for (unsigned v = 0; v < numElem; ++v) {
         unsigned Idx = v;

lib/Transforms/Vectorize/LoopVectorize.cpp

@@ -1069,7 +1069,7 @@ Value *InnerLoopVectorizer::getConsecutiveVector(Value* Val, int StartIdx,
 int LoopVectorizationLegality::isConsecutivePtr(Value *Ptr) {
   assert(Ptr->getType()->isPointerTy() && "Unexpected non ptr");
   // Make sure that the pointer does not point to structs.
-  if (cast<PointerType>(Ptr->getType())->getElementType()->isAggregateType())
+  if (Ptr->getType()->getPointerElementType()->isAggregateType())
     return 0;
 
   // If this value is a pointer induction variable we know it is consecutive.