land David Blaikie's patch to de-constify Type, with a few tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm-c/Core.h

@@ -1136,7 +1136,7 @@ namespace llvm {
     return reinterpret_cast<Type**>(Tys);
   }
 
-  inline LLVMTypeRef *wrap(const Type **Tys) {
+  inline LLVMTypeRef *wrap(Type **Tys) {
     return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
   }
 

include/llvm/Analysis/AliasAnalysis.h

@@ -88,7 +88,7 @@ class AliasAnalysis {
   /// getTypeStoreSize - Return the TargetData store size for the given type,
   /// if known, or a conservative value otherwise.
   ///
-  uint64_t getTypeStoreSize(const Type *Ty);
+  uint64_t getTypeStoreSize(Type *Ty);
 
   //===--------------------------------------------------------------------===//
   /// Alias Queries...

include/llvm/Analysis/ConstantFolding.h

@@ -47,7 +47,7 @@ Constant *ConstantFoldConstantExpression(const ConstantExpr *CE,
 /// fold instructions like loads and stores, which have no constant expression 
 /// form.
 ///
-Constant *ConstantFoldInstOperands(unsigned Opcode, const Type *DestTy,
+Constant *ConstantFoldInstOperands(unsigned Opcode, Type *DestTy,
                                    Constant *const *Ops, unsigned NumOps,
                                    const TargetData *TD = 0);
 

include/llvm/Analysis/FindUsedTypes.h

@@ -23,7 +23,7 @@ class Type;
 class Value;
 
 class FindUsedTypes : public ModulePass {
-  SetVector<const Type *> UsedTypes;
+  SetVector<Type *> UsedTypes;
 public:
   static char ID; // Pass identification, replacement for typeid
   FindUsedTypes() : ModulePass(ID) {
@@ -33,7 +33,7 @@ class FindUsedTypes : public ModulePass {
   /// getTypes - After the pass has been run, return the set containing all of
   /// the types used in the module.
   ///
-  const SetVector<const Type *> &getTypes() const { return UsedTypes; }
+  const SetVector<Type *> &getTypes() const { return UsedTypes; }
 
   /// Print the types found in the module.  If the optional Module parameter is
   /// passed in, then the types are printed symbolically if possible, using the
@@ -45,7 +45,7 @@ class FindUsedTypes : public ModulePass {
   /// IncorporateType - Incorporate one type and all of its subtypes into the
   /// collection of used types.
   ///
-  void IncorporateType(const Type *Ty);
+  void IncorporateType(Type *Ty);
 
   /// IncorporateValue - Incorporate all of the types used by this value.
   ///

include/llvm/Analysis/MemoryBuiltins.h

@@ -51,14 +51,14 @@ const CallInst *isArrayMalloc(const Value *I, const TargetData *TD);
 ///   0: PointerType is the malloc calls' return type.
 ///   1: PointerType is the bitcast's result type.
 ///  >1: Unique PointerType cannot be determined, return NULL.
-const PointerType *getMallocType(const CallInst *CI);
+PointerType *getMallocType(const CallInst *CI);
 
 /// getMallocAllocatedType - Returns the Type allocated by malloc call.
 /// The Type depends on the number of bitcast uses of the malloc call:
 ///   0: PointerType is the malloc calls' return type.
 ///   1: PointerType is the bitcast's result type.
 ///  >1: Unique PointerType cannot be determined, return NULL.
-const Type *getMallocAllocatedType(const CallInst *CI);
+Type *getMallocAllocatedType(const CallInst *CI);
 
 /// getMallocArraySize - Returns the array size of a malloc call.  If the 
 /// argument passed to malloc is a multiple of the size of the malloced type,

include/llvm/Analysis/ScalarEvolution.h

@@ -103,7 +103,7 @@ namespace llvm {
 
     /// getType - Return the LLVM type of this SCEV expression.
     ///
-    const Type *getType() const;
+    Type *getType() const;
 
     /// isZero - Return true if the expression is a constant zero.
     ///
@@ -479,29 +479,29 @@ namespace llvm {
     /// the SCEV framework. This primarily includes integer types, and it
     /// can optionally include pointer types if the ScalarEvolution class
     /// has access to target-specific information.
-    bool isSCEVable(const Type *Ty) const;
+    bool isSCEVable(Type *Ty) const;
 
     /// getTypeSizeInBits - Return the size in bits of the specified type,
     /// for which isSCEVable must return true.
-    uint64_t getTypeSizeInBits(const Type *Ty) const;
+    uint64_t getTypeSizeInBits(Type *Ty) const;
 
     /// getEffectiveSCEVType - Return a type with the same bitwidth as
     /// the given type and which represents how SCEV will treat the given
     /// type, for which isSCEVable must return true. For pointer types,
     /// this is the pointer-sized integer type.
-    const Type *getEffectiveSCEVType(const Type *Ty) const;
+    Type *getEffectiveSCEVType(Type *Ty) const;
 
     /// getSCEV - Return a SCEV expression for the full generality of the
     /// specified expression.
     const SCEV *getSCEV(Value *V);
 
     const SCEV *getConstant(ConstantInt *V);
     const SCEV *getConstant(const APInt& Val);
-    const SCEV *getConstant(const Type *Ty, uint64_t V, bool isSigned = false);
-    const SCEV *getTruncateExpr(const SCEV *Op, const Type *Ty);
-    const SCEV *getZeroExtendExpr(const SCEV *Op, const Type *Ty);
-    const SCEV *getSignExtendExpr(const SCEV *Op, const Type *Ty);
-    const SCEV *getAnyExtendExpr(const SCEV *Op, const Type *Ty);
+    const SCEV *getConstant(Type *Ty, uint64_t V, bool isSigned = false);
+    const SCEV *getTruncateExpr(const SCEV *Op, Type *Ty);
+    const SCEV *getZeroExtendExpr(const SCEV *Op, Type *Ty);
+    const SCEV *getSignExtendExpr(const SCEV *Op, Type *Ty);
+    const SCEV *getAnyExtendExpr(const SCEV *Op, Type *Ty);
     const SCEV *getAddExpr(SmallVectorImpl<const SCEV *> &Ops,
                            SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap);
     const SCEV *getAddExpr(const SCEV *LHS, const SCEV *RHS,
@@ -550,19 +550,19 @@ namespace llvm {
 
     /// getSizeOfExpr - Return an expression for sizeof on the given type.
     ///
-    const SCEV *getSizeOfExpr(const Type *AllocTy);
+    const SCEV *getSizeOfExpr(Type *AllocTy);
 
     /// getAlignOfExpr - Return an expression for alignof on the given type.
     ///
-    const SCEV *getAlignOfExpr(const Type *AllocTy);
+    const SCEV *getAlignOfExpr(Type *AllocTy);
 
     /// getOffsetOfExpr - Return an expression for offsetof on the given field.
     ///
-    const SCEV *getOffsetOfExpr(const StructType *STy, unsigned FieldNo);
+    const SCEV *getOffsetOfExpr(StructType *STy, unsigned FieldNo);
 
     /// getOffsetOfExpr - Return an expression for offsetof on the given field.
     ///
-    const SCEV *getOffsetOfExpr(const Type *CTy, Constant *FieldNo);
+    const SCEV *getOffsetOfExpr(Type *CTy, Constant *FieldNo);
 
     /// getNegativeSCEV - Return the SCEV object corresponding to -V.
     ///
@@ -579,33 +579,33 @@ namespace llvm {
     /// getTruncateOrZeroExtend - Return a SCEV corresponding to a conversion
     /// of the input value to the specified type.  If the type must be
     /// extended, it is zero extended.
-    const SCEV *getTruncateOrZeroExtend(const SCEV *V, const Type *Ty);
+    const SCEV *getTruncateOrZeroExtend(const SCEV *V, Type *Ty);
 
     /// getTruncateOrSignExtend - Return a SCEV corresponding to a conversion
     /// of the input value to the specified type.  If the type must be
     /// extended, it is sign extended.
-    const SCEV *getTruncateOrSignExtend(const SCEV *V, const Type *Ty);
+    const SCEV *getTruncateOrSignExtend(const SCEV *V, Type *Ty);
 
     /// getNoopOrZeroExtend - Return a SCEV corresponding to a conversion of
     /// the input value to the specified type.  If the type must be extended,
     /// it is zero extended.  The conversion must not be narrowing.
-    const SCEV *getNoopOrZeroExtend(const SCEV *V, const Type *Ty);
+    const SCEV *getNoopOrZeroExtend(const SCEV *V, Type *Ty);
 
     /// getNoopOrSignExtend - Return a SCEV corresponding to a conversion of
     /// the input value to the specified type.  If the type must be extended,
     /// it is sign extended.  The conversion must not be narrowing.
-    const SCEV *getNoopOrSignExtend(const SCEV *V, const Type *Ty);
+    const SCEV *getNoopOrSignExtend(const SCEV *V, Type *Ty);
 
     /// getNoopOrAnyExtend - Return a SCEV corresponding to a conversion of
     /// the input value to the specified type. If the type must be extended,
     /// it is extended with unspecified bits. The conversion must not be
     /// narrowing.
-    const SCEV *getNoopOrAnyExtend(const SCEV *V, const Type *Ty);
+    const SCEV *getNoopOrAnyExtend(const SCEV *V, Type *Ty);
 
     /// getTruncateOrNoop - Return a SCEV corresponding to a conversion of the
     /// input value to the specified type.  The conversion must not be
     /// widening.
-    const SCEV *getTruncateOrNoop(const SCEV *V, const Type *Ty);
+    const SCEV *getTruncateOrNoop(const SCEV *V, Type *Ty);
 
     /// getUMaxFromMismatchedTypes - Promote the operands to the wider of
     /// the types using zero-extension, and then perform a umax operation

include/llvm/Analysis/ScalarEvolutionExpander.h

@@ -89,12 +89,12 @@ namespace llvm {
     /// loop (inserting one if there is none).  A canonical induction variable
     /// starts at zero and steps by one on each iteration.
     PHINode *getOrInsertCanonicalInductionVariable(const Loop *L,
-                                                   const Type *Ty);
+                                                   Type *Ty);
 
     /// expandCodeFor - Insert code to directly compute the specified SCEV
     /// expression into the program.  The inserted code is inserted into the
     /// specified block.
-    Value *expandCodeFor(const SCEV *SH, const Type *Ty, Instruction *I);
+    Value *expandCodeFor(const SCEV *SH, Type *Ty, Instruction *I);
 
     /// setIVIncInsertPos - Set the current IV increment loop and position.
     void setIVIncInsertPos(const Loop *L, Instruction *Pos) {
@@ -145,28 +145,28 @@ namespace llvm {
     /// reusing an existing cast if a suitable one exists, moving an existing
     /// cast if a suitable one exists but isn't in the right place, or
     /// or creating a new one.
-    Value *ReuseOrCreateCast(Value *V, const Type *Ty,
+    Value *ReuseOrCreateCast(Value *V, Type *Ty,
                              Instruction::CastOps Op,
                              BasicBlock::iterator IP);
 
     /// InsertNoopCastOfTo - Insert a cast of V to the specified type,
     /// which must be possible with a noop cast, doing what we can to
     /// share the casts.
-    Value *InsertNoopCastOfTo(Value *V, const Type *Ty);
+    Value *InsertNoopCastOfTo(Value *V, Type *Ty);
 
     /// expandAddToGEP - Expand a SCEVAddExpr with a pointer type into a GEP
     /// instead of using ptrtoint+arithmetic+inttoptr.
     Value *expandAddToGEP(const SCEV *const *op_begin,
                           const SCEV *const *op_end,
-                          const PointerType *PTy, const Type *Ty, Value *V);
+                          PointerType *PTy, Type *Ty, Value *V);
 
     Value *expand(const SCEV *S);
 
     /// expandCodeFor - Insert code to directly compute the specified SCEV
     /// expression into the program.  The inserted code is inserted into the
     /// SCEVExpander's current insertion point. If a type is specified, the
     /// result will be expanded to have that type, with a cast if necessary.
-    Value *expandCodeFor(const SCEV *SH, const Type *Ty = 0);
+    Value *expandCodeFor(const SCEV *SH, Type *Ty = 0);
 
     /// isInsertedInstruction - Return true if the specified instruction was
     /// inserted by the code rewriter.  If so, the client should not modify the
@@ -211,8 +211,8 @@ namespace llvm {
     Value *expandAddRecExprLiterally(const SCEVAddRecExpr *);
     PHINode *getAddRecExprPHILiterally(const SCEVAddRecExpr *Normalized,
                                        const Loop *L,
-                                       const Type *ExpandTy,
-                                       const Type *IntTy);
+                                       Type *ExpandTy,
+                                       Type *IntTy);
   };
 }
 

include/llvm/Analysis/ScalarEvolutionExpressions.h

@@ -42,7 +42,7 @@ namespace llvm {
   public:
     ConstantInt *getValue() const { return V; }
 
-    const Type *getType() const { return V->getType(); }
+    Type *getType() const { return V->getType(); }
 
     /// Methods for support type inquiry through isa, cast, and dyn_cast:
     static inline bool classof(const SCEVConstant *S) { return true; }
@@ -57,14 +57,14 @@ namespace llvm {
   class SCEVCastExpr : public SCEV {
   protected:
     const SCEV *Op;
-    const Type *Ty;
+    Type *Ty;
 
     SCEVCastExpr(const FoldingSetNodeIDRef ID,
-                 unsigned SCEVTy, const SCEV *op, const Type *ty);
+                 unsigned SCEVTy, const SCEV *op, Type *ty);
 
   public:
     const SCEV *getOperand() const { return Op; }
-    const Type *getType() const { return Ty; }
+    Type *getType() const { return Ty; }
 
     /// Methods for support type inquiry through isa, cast, and dyn_cast:
     static inline bool classof(const SCEVCastExpr *S) { return true; }
@@ -83,7 +83,7 @@ namespace llvm {
     friend class ScalarEvolution;
 
     SCEVTruncateExpr(const FoldingSetNodeIDRef ID,
-                     const SCEV *op, const Type *ty);
+                     const SCEV *op, Type *ty);
 
   public:
     /// Methods for support type inquiry through isa, cast, and dyn_cast:
@@ -101,7 +101,7 @@ namespace llvm {
     friend class ScalarEvolution;
 
     SCEVZeroExtendExpr(const FoldingSetNodeIDRef ID,
-                       const SCEV *op, const Type *ty);
+                       const SCEV *op, Type *ty);
 
   public:
     /// Methods for support type inquiry through isa, cast, and dyn_cast:
@@ -119,7 +119,7 @@ namespace llvm {
     friend class ScalarEvolution;
 
     SCEVSignExtendExpr(const FoldingSetNodeIDRef ID,
-                       const SCEV *op, const Type *ty);
+                       const SCEV *op, Type *ty);
 
   public:
     /// Methods for support type inquiry through isa, cast, and dyn_cast:
@@ -158,7 +158,7 @@ namespace llvm {
     op_iterator op_begin() const { return Operands; }
     op_iterator op_end() const { return Operands + NumOperands; }
 
-    const Type *getType() const { return getOperand(0)->getType(); }
+    Type *getType() const { return getOperand(0)->getType(); }
 
     NoWrapFlags getNoWrapFlags(NoWrapFlags Mask = NoWrapMask) const {
       return (NoWrapFlags)(SubclassData & Mask);
@@ -214,7 +214,7 @@ namespace llvm {
     }
 
   public:
-    const Type *getType() const {
+    Type *getType() const {
       // Use the type of the last operand, which is likely to be a pointer
       // type, if there is one. This doesn't usually matter, but it can help
       // reduce casts when the expressions are expanded.
@@ -263,7 +263,7 @@ namespace llvm {
     const SCEV *getLHS() const { return LHS; }
     const SCEV *getRHS() const { return RHS; }
 
-    const Type *getType() const {
+    Type *getType() const {
       // In most cases the types of LHS and RHS will be the same, but in some
       // crazy cases one or the other may be a pointer. ScalarEvolution doesn't
       // depend on the type for correctness, but handling types carefully can
@@ -441,11 +441,11 @@ namespace llvm {
     /// folded with other operations into something unrecognizable. This
     /// is mainly only useful for pretty-printing and other situations
     /// where it isn't absolutely required for these to succeed.
-    bool isSizeOf(const Type *&AllocTy) const;
-    bool isAlignOf(const Type *&AllocTy) const;
-    bool isOffsetOf(const Type *&STy, Constant *&FieldNo) const;
+    bool isSizeOf(Type *&AllocTy) const;
+    bool isAlignOf(Type *&AllocTy) const;
+    bool isOffsetOf(Type *&STy, Constant *&FieldNo) const;
 
-    const Type *getType() const { return getValPtr()->getType(); }
+    Type *getType() const { return getValPtr()->getType(); }
 
     /// Methods for support type inquiry through isa, cast, and dyn_cast:
     static inline bool classof(const SCEVUnknown *S) { return true; }

include/llvm/Argument.h

@@ -39,7 +39,7 @@ class Argument : public Value, public ilist_node<Argument> {
   /// Argument ctor - If Function argument is specified, this argument is
   /// inserted at the end of the argument list for the function.
   ///
-  explicit Argument(const Type *Ty, const Twine &Name = "", Function *F = 0);
+  explicit Argument(Type *Ty, const Twine &Name = "", Function *F = 0);
 
   inline const Function *getParent() const { return Parent; }
   inline       Function *getParent()       { return Parent; }

include/llvm/Attributes.h

@@ -107,7 +107,7 @@ const Attributes MutuallyIncompatible[4] = {
 };
 
 /// @brief Which attributes cannot be applied to a type.
-Attributes typeIncompatible(const Type *Ty);
+Attributes typeIncompatible(Type *Ty);
 
 /// This turns an int alignment (a power of 2, normally) into the
 /// form used internally in Attributes.

include/llvm/CodeGen/Analysis.h

@@ -33,12 +33,12 @@ class SelectionDAG;
 /// of insertvalue or extractvalue indices that identify a member, return
 /// the linearized index of the start of the member.
 ///
-unsigned ComputeLinearIndex(const Type *Ty,
+unsigned ComputeLinearIndex(Type *Ty,
                             const unsigned *Indices,
                             const unsigned *IndicesEnd,
                             unsigned CurIndex = 0);
 
-inline unsigned ComputeLinearIndex(const Type *Ty,
+inline unsigned ComputeLinearIndex(Type *Ty,
                                    ArrayRef<unsigned> Indices,
                                    unsigned CurIndex = 0) {
   return ComputeLinearIndex(Ty, Indices.begin(), Indices.end(), CurIndex);
@@ -51,7 +51,7 @@ inline unsigned ComputeLinearIndex(const Type *Ty,
 /// If Offsets is non-null, it points to a vector to be filled in
 /// with the in-memory offsets of each of the individual values.
 ///
-void ComputeValueVTs(const TargetLowering &TLI, const Type *Ty,
+void ComputeValueVTs(const TargetLowering &TLI, Type *Ty,
                      SmallVectorImpl<EVT> &ValueVTs,
                      SmallVectorImpl<uint64_t> *Offsets = 0,
                      uint64_t StartingOffset = 0);

include/llvm/CodeGen/FunctionLoweringInfo.h

@@ -139,7 +139,7 @@ class FunctionLoweringInfo {
 
   unsigned CreateReg(EVT VT);
 
-  unsigned CreateRegs(const Type *Ty);
+  unsigned CreateRegs(Type *Ty);
 
   unsigned InitializeRegForValue(const Value *V) {
     unsigned &R = ValueMap[V];