[llvm-commits] [llvm] r86231 - in /llvm/trunk: include/llvm/ include/llvm/Analysis/ include/llvm/Support/ lib/Analysis/ lib/Transforms/IPO/ lib/Transforms/Scalar/ lib/Transforms/Utils/ lib/VMCore/

Chris Lattner sabre at nondot.org
Thu Nov 5 20:27:33 PST 2009


Author: lattner
Date: Thu Nov  5 22:27:31 2009
New Revision: 86231

URL: http://llvm.org/viewvc/llvm-project?rev=86231&view=rev
Log:
remove a bunch of extraneous LLVMContext arguments
from various APIs, addressing PR5325.

Modified:
    llvm/trunk/include/llvm/Analysis/ConstantFolding.h
    llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
    llvm/trunk/include/llvm/GlobalVariable.h
    llvm/trunk/include/llvm/Support/TargetFolder.h
    llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp
    llvm/trunk/lib/Analysis/ConstantFolding.cpp
    llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
    llvm/trunk/lib/Analysis/PointerTracking.cpp
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp
    llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
    llvm/trunk/lib/Transforms/Scalar/ConstantProp.cpp
    llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp
    llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp
    llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp
    llvm/trunk/lib/Transforms/Scalar/TailDuplication.cpp
    llvm/trunk/lib/Transforms/Utils/CloneFunction.cpp
    llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp
    llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
    llvm/trunk/lib/VMCore/Globals.cpp
    llvm/trunk/lib/VMCore/Module.cpp

Modified: llvm/trunk/include/llvm/Analysis/ConstantFolding.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/ConstantFolding.h?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Analysis/ConstantFolding.h (original)
+++ llvm/trunk/include/llvm/Analysis/ConstantFolding.h Thu Nov  5 22:27:31 2009
@@ -26,20 +26,18 @@
   class TargetData;
   class Function;
   class Type;
-  class LLVMContext;
 
 /// ConstantFoldInstruction - Attempt to constant fold the specified
 /// instruction.  If successful, the constant result is returned, if not, null
 /// is returned.  Note that this function can only fail when attempting to fold
 /// instructions like loads and stores, which have no constant expression form.
 ///
-Constant *ConstantFoldInstruction(Instruction *I, LLVMContext &Context,
-                                  const TargetData *TD = 0);
+Constant *ConstantFoldInstruction(Instruction *I, const TargetData *TD = 0);
 
 /// ConstantFoldConstantExpression - Attempt to fold the constant expression
 /// using the specified TargetData.  If successful, the constant result is
 /// result is returned, if not, null is returned.
-Constant *ConstantFoldConstantExpression(ConstantExpr *CE, LLVMContext &Context,
+Constant *ConstantFoldConstantExpression(ConstantExpr *CE,
                                          const TargetData *TD = 0);
 
 /// ConstantFoldInstOperands - Attempt to constant fold an instruction with the
@@ -49,8 +47,7 @@
 /// form.
 ///
 Constant *ConstantFoldInstOperands(unsigned Opcode, const Type *DestTy,
-                                   Constant*const * Ops, unsigned NumOps,
-                                   LLVMContext &Context,
+                                   Constant *const *Ops, unsigned NumOps,
                                    const TargetData *TD = 0);
 
 /// ConstantFoldCompareInstOperands - Attempt to constant fold a compare
@@ -58,8 +55,7 @@
 /// returns a constant expression of the specified operands.
 ///
 Constant *ConstantFoldCompareInstOperands(unsigned Predicate,
-                                          Constant*const * Ops, unsigned NumOps,
-                                          LLVMContext &Context,
+                                          Constant *const *Ops, unsigned NumOps,
                                           const TargetData *TD = 0);
 
 /// ConstantFoldLoadFromConstPtr - Return the value that a load from C would
@@ -79,7 +75,7 @@
 /// ConstantFoldCall - Attempt to constant fold a call to the specified function
 /// with the specified arguments, returning null if unsuccessful.
 Constant *
-ConstantFoldCall(Function *F, Constant* const* Operands, unsigned NumOperands);
+ConstantFoldCall(Function *F, Constant *const *Operands, unsigned NumOperands);
 }
 
 #endif

Modified: llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h (original)
+++ llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h Thu Nov  5 22:27:31 2009
@@ -17,7 +17,6 @@
 
 namespace llvm {
 class CallInst;
-class LLVMContext;
 class PointerType;
 class TargetData;
 class Type;
@@ -29,43 +28,42 @@
 
 /// isMalloc - Returns true if the value is either a malloc call or a bitcast of 
 /// the result of a malloc call
-bool isMalloc(const Value* I);
+bool isMalloc(const Value *I);
 
 /// extractMallocCall - Returns the corresponding CallInst if the instruction
 /// is a malloc call.  Since CallInst::CreateMalloc() only creates calls, we
 /// ignore InvokeInst here.
-const CallInst* extractMallocCall(const Value* I);
-CallInst* extractMallocCall(Value* I);
+const CallInst* extractMallocCall(const Value *I);
+CallInst* extractMallocCall(Value *I);
 
 /// extractMallocCallFromBitCast - Returns the corresponding CallInst if the
 /// instruction is a bitcast of the result of a malloc call.
-const CallInst* extractMallocCallFromBitCast(const Value* I);
-CallInst* extractMallocCallFromBitCast(Value* I);
+const CallInst* extractMallocCallFromBitCast(const Value *I);
+CallInst* extractMallocCallFromBitCast(Value *I);
 
 /// isArrayMalloc - Returns the corresponding CallInst if the instruction 
 /// is a call to malloc whose array size can be determined and the array size
 /// is not constant 1.  Otherwise, return NULL.
-CallInst* isArrayMalloc(Value* I, LLVMContext &Context, const TargetData* TD);
-const CallInst* isArrayMalloc(const Value* I, LLVMContext &Context,
-                              const TargetData* TD);
+CallInst* isArrayMalloc(Value *I, const TargetData *TD);
+const CallInst* isArrayMalloc(const Value *I,
+                              const TargetData *TD);
 
 /// getMallocType - Returns the PointerType resulting from the malloc call.
 /// This PointerType is the result type of the call's only bitcast use.
 /// If there is no unique bitcast use, then return NULL.
-const PointerType* getMallocType(const CallInst* CI);
+const PointerType* getMallocType(const CallInst *CI);
 
 /// getMallocAllocatedType - Returns the Type allocated by malloc call. This
 /// Type is the result type of the call's only bitcast use. If there is no
 /// unique bitcast use, then return NULL.
-const Type* getMallocAllocatedType(const CallInst* CI);
+const 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,
 /// then return that multiple.  For non-array mallocs, the multiple is
 /// constant 1.  Otherwise, return NULL for mallocs whose array size cannot be
 /// determined.
-Value* getMallocArraySize(CallInst* CI, LLVMContext &Context,
-                          const TargetData* TD);
+Value* getMallocArraySize(CallInst *CI, const TargetData *TD);
                           
 //===----------------------------------------------------------------------===//
 //  free Call Utility Functions.

Modified: llvm/trunk/include/llvm/GlobalVariable.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/GlobalVariable.h?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/include/llvm/GlobalVariable.h (original)
+++ llvm/trunk/include/llvm/GlobalVariable.h Thu Nov  5 22:27:31 2009
@@ -28,7 +28,6 @@
 
 class Module;
 class Constant;
-class LLVMContext;
 template<typename ValueSubClass, typename ItemParentClass>
   class SymbolTableListTraits;
 
@@ -50,8 +49,7 @@
   }
   /// GlobalVariable ctor - If a parent module is specified, the global is
   /// automatically inserted into the end of the specified modules global list.
-  GlobalVariable(LLVMContext &Context, const Type *Ty, bool isConstant,
-                 LinkageTypes Linkage,
+  GlobalVariable(const Type *Ty, bool isConstant, LinkageTypes Linkage,
                  Constant *Initializer = 0, const Twine &Name = "",
                  bool ThreadLocal = false, unsigned AddressSpace = 0);
   /// GlobalVariable ctor - This creates a global and inserts it before the

Modified: llvm/trunk/include/llvm/Support/TargetFolder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/TargetFolder.h?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/TargetFolder.h (original)
+++ llvm/trunk/include/llvm/Support/TargetFolder.h Thu Nov  5 22:27:31 2009
@@ -26,24 +26,22 @@
 namespace llvm {
 
 class TargetData;
-class LLVMContext;
 
 /// TargetFolder - Create constants with target dependent folding.
 class TargetFolder {
   const TargetData *TD;
-  LLVMContext &Context;
 
   /// Fold - Fold the constant using target specific information.
   Constant *Fold(Constant *C) const {
     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
-      if (Constant *CF = ConstantFoldConstantExpression(CE, Context, TD))
+      if (Constant *CF = ConstantFoldConstantExpression(CE, TD))
         return CF;
     return C;
   }
 
 public:
   explicit TargetFolder(const TargetData *TheTD, LLVMContext &C) :
-    TD(TheTD), Context(C) {}
+    TD(TheTD) {}
 
   //===--------------------------------------------------------------------===//
   // Binary Operators

Modified: llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp Thu Nov  5 22:27:31 2009
@@ -23,7 +23,6 @@
 #include "llvm/GlobalVariable.h"
 #include "llvm/Instructions.h"
 #include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
 #include "llvm/Operator.h"
 #include "llvm/Pass.h"
 #include "llvm/Target/TargetData.h"
@@ -99,7 +98,7 @@
 /// isObjectSmallerThan - Return true if we can prove that the object specified
 /// by V is smaller than Size.
 static bool isObjectSmallerThan(const Value *V, unsigned Size,
-                                LLVMContext &Context, const TargetData &TD) {
+                                const TargetData &TD) {
   const Type *AccessTy;
   if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
     AccessTy = GV->getType()->getElementType();
@@ -109,7 +108,7 @@
     else
       return false;
   } else if (const CallInst* CI = extractMallocCall(V)) {
-    if (!isArrayMalloc(V, Context, &TD))
+    if (!isArrayMalloc(V, &TD))
       // The size is the argument to the malloc call.
       if (const ConstantInt* C = dyn_cast<ConstantInt>(CI->getOperand(1)))
         return (C->getZExtValue() < Size);
@@ -665,10 +664,9 @@
   
   // If the size of one access is larger than the entire object on the other
   // side, then we know such behavior is undefined and can assume no alias.
-  LLVMContext &Context = V1->getContext();
   if (TD)
-    if ((V1Size != ~0U && isObjectSmallerThan(O2, V1Size, Context, *TD)) ||
-        (V2Size != ~0U && isObjectSmallerThan(O1, V2Size, Context, *TD)))
+    if ((V1Size != ~0U && isObjectSmallerThan(O2, V1Size, *TD)) ||
+        (V2Size != ~0U && isObjectSmallerThan(O1, V2Size, *TD)))
       return NoAlias;
   
   // If one pointer is the result of a call/invoke and the other is a
@@ -707,16 +705,16 @@
 
 // This function is used to determine if the indices of two GEP instructions are
 // equal. V1 and V2 are the indices.
-static bool IndexOperandsEqual(Value *V1, Value *V2, LLVMContext &Context) {
+static bool IndexOperandsEqual(Value *V1, Value *V2) {
   if (V1->getType() == V2->getType())
     return V1 == V2;
   if (Constant *C1 = dyn_cast<Constant>(V1))
     if (Constant *C2 = dyn_cast<Constant>(V2)) {
       // Sign extend the constants to long types, if necessary
-      if (C1->getType() != Type::getInt64Ty(Context))
-        C1 = ConstantExpr::getSExt(C1, Type::getInt64Ty(Context));
-      if (C2->getType() != Type::getInt64Ty(Context)) 
-        C2 = ConstantExpr::getSExt(C2, Type::getInt64Ty(Context));
+      if (C1->getType() != Type::getInt64Ty(C1->getContext()))
+        C1 = ConstantExpr::getSExt(C1, Type::getInt64Ty(C1->getContext()));
+      if (C2->getType() != Type::getInt64Ty(C1->getContext())) 
+        C2 = ConstantExpr::getSExt(C2, Type::getInt64Ty(C1->getContext()));
       return C1 == C2;
     }
   return false;
@@ -737,8 +735,6 @@
 
   const PointerType *GEPPointerTy = cast<PointerType>(BasePtr1Ty);
 
-  LLVMContext &Context = GEPPointerTy->getContext();
-
   // Find the (possibly empty) initial sequence of equal values... which are not
   // necessarily constants.
   unsigned NumGEP1Operands = NumGEP1Ops, NumGEP2Operands = NumGEP2Ops;
@@ -746,8 +742,7 @@
   unsigned MaxOperands = std::max(NumGEP1Operands, NumGEP2Operands);
   unsigned UnequalOper = 0;
   while (UnequalOper != MinOperands &&
-         IndexOperandsEqual(GEP1Ops[UnequalOper], GEP2Ops[UnequalOper],
-         Context)) {
+         IndexOperandsEqual(GEP1Ops[UnequalOper], GEP2Ops[UnequalOper])) {
     // Advance through the type as we go...
     ++UnequalOper;
     if (const CompositeType *CT = dyn_cast<CompositeType>(BasePtr1Ty))
@@ -811,10 +806,11 @@
         if (Constant *G2OC = dyn_cast<ConstantInt>(const_cast<Value*>(G2Oper))){
           if (G1OC->getType() != G2OC->getType()) {
             // Sign extend both operands to long.
-            if (G1OC->getType() != Type::getInt64Ty(Context))
-              G1OC = ConstantExpr::getSExt(G1OC, Type::getInt64Ty(Context));
-            if (G2OC->getType() != Type::getInt64Ty(Context)) 
-              G2OC = ConstantExpr::getSExt(G2OC, Type::getInt64Ty(Context));
+            const Type *Int64Ty = Type::getInt64Ty(G1OC->getContext());
+            if (G1OC->getType() != Int64Ty)
+              G1OC = ConstantExpr::getSExt(G1OC, Int64Ty);
+            if (G2OC->getType() != Int64Ty) 
+              G2OC = ConstantExpr::getSExt(G2OC, Int64Ty);
             GEP1Ops[FirstConstantOper] = G1OC;
             GEP2Ops[FirstConstantOper] = G2OC;
           }
@@ -950,7 +946,7 @@
   for (unsigned i = 0; i != FirstConstantOper; ++i) {
     if (!isa<StructType>(ZeroIdxTy))
       GEP1Ops[i] = GEP2Ops[i] = 
-                              Constant::getNullValue(Type::getInt32Ty(Context));
+              Constant::getNullValue(Type::getInt32Ty(ZeroIdxTy->getContext()));
 
     if (const CompositeType *CT = dyn_cast<CompositeType>(ZeroIdxTy))
       ZeroIdxTy = CT->getTypeAtIndex(GEP1Ops[i]);
@@ -992,11 +988,11 @@
           //
           if (const ArrayType *AT = dyn_cast<ArrayType>(BasePtr1Ty))
             GEP1Ops[i] =
-                  ConstantInt::get(Type::getInt64Ty(Context), 
+                  ConstantInt::get(Type::getInt64Ty(AT->getContext()), 
                                    AT->getNumElements()-1);
           else if (const VectorType *VT = dyn_cast<VectorType>(BasePtr1Ty))
             GEP1Ops[i] = 
-                  ConstantInt::get(Type::getInt64Ty(Context),
+                  ConstantInt::get(Type::getInt64Ty(VT->getContext()),
                                    VT->getNumElements()-1);
         }
       }

Modified: llvm/trunk/lib/Analysis/ConstantFolding.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ConstantFolding.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/ConstantFolding.cpp (original)
+++ llvm/trunk/lib/Analysis/ConstantFolding.cpp Thu Nov  5 22:27:31 2009
@@ -23,7 +23,6 @@
 #include "llvm/GlobalVariable.h"
 #include "llvm/Instructions.h"
 #include "llvm/Intrinsics.h"
-#include "llvm/LLVMContext.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/ADT/SmallVector.h"
@@ -493,8 +492,7 @@
 /// these together.  If target data info is available, it is provided as TD, 
 /// otherwise TD is null.
 static Constant *SymbolicallyEvaluateBinop(unsigned Opc, Constant *Op0,
-                                           Constant *Op1, const TargetData *TD,
-                                           LLVMContext &Context){
+                                           Constant *Op1, const TargetData *TD){
   // SROA
   
   // Fold (and 0xffffffff00000000, (shl x, 32)) -> shl.
@@ -521,15 +519,15 @@
 
 /// SymbolicallyEvaluateGEP - If we can symbolically evaluate the specified GEP
 /// constant expression, do so.
-static Constant *SymbolicallyEvaluateGEP(Constant* const* Ops, unsigned NumOps,
+static Constant *SymbolicallyEvaluateGEP(Constant *const *Ops, unsigned NumOps,
                                          const Type *ResultTy,
-                                         LLVMContext &Context,
                                          const TargetData *TD) {
   Constant *Ptr = Ops[0];
   if (!TD || !cast<PointerType>(Ptr->getType())->getElementType()->isSized())
     return 0;
 
-  unsigned BitWidth = TD->getTypeSizeInBits(TD->getIntPtrType(Context));
+  unsigned BitWidth =
+    TD->getTypeSizeInBits(TD->getIntPtrType(Ptr->getContext()));
   APInt BasePtr(BitWidth, 0);
   bool BaseIsInt = true;
   if (!Ptr->isNullValue()) {
@@ -558,7 +556,7 @@
   // If the base value for this address is a literal integer value, fold the
   // getelementptr to the resulting integer value casted to the pointer type.
   if (BaseIsInt) {
-    Constant *C = ConstantInt::get(Context, Offset+BasePtr);
+    Constant *C = ConstantInt::get(Ptr->getContext(), Offset+BasePtr);
     return ConstantExpr::getIntToPtr(C, ResultTy);
   }
 
@@ -579,7 +577,8 @@
         return 0;
       APInt NewIdx = Offset.udiv(ElemSize);
       Offset -= NewIdx * ElemSize;
-      NewIdxs.push_back(ConstantInt::get(TD->getIntPtrType(Context), NewIdx));
+      NewIdxs.push_back(ConstantInt::get(TD->getIntPtrType(Ty->getContext()),
+                                         NewIdx));
       Ty = ATy->getElementType();
     } else if (const StructType *STy = dyn_cast<StructType>(Ty)) {
       // Determine which field of the struct the offset points into. The
@@ -587,7 +586,8 @@
       // know the offset is within the struct at this point.
       const StructLayout &SL = *TD->getStructLayout(STy);
       unsigned ElIdx = SL.getElementContainingOffset(Offset.getZExtValue());
-      NewIdxs.push_back(ConstantInt::get(Type::getInt32Ty(Context), ElIdx));
+      NewIdxs.push_back(ConstantInt::get(Type::getInt32Ty(Ty->getContext()),
+                                         ElIdx));
       Offset -= APInt(BitWidth, SL.getElementOffset(ElIdx));
       Ty = STy->getTypeAtIndex(ElIdx);
     } else {
@@ -628,8 +628,7 @@
 /// is returned.  Note that this function can only fail when attempting to fold
 /// instructions like loads and stores, which have no constant expression form.
 ///
-Constant *llvm::ConstantFoldInstruction(Instruction *I, LLVMContext &Context,
-                                        const TargetData *TD) {
+Constant *llvm::ConstantFoldInstruction(Instruction *I, const TargetData *TD) {
   if (PHINode *PN = dyn_cast<PHINode>(I)) {
     if (PN->getNumIncomingValues() == 0)
       return UndefValue::get(PN->getType());
@@ -657,21 +656,19 @@
 
   if (const CmpInst *CI = dyn_cast<CmpInst>(I))
     return ConstantFoldCompareInstOperands(CI->getPredicate(),
-                                           Ops.data(), Ops.size(), 
-                                           Context, TD);
+                                           Ops.data(), Ops.size(), TD);
   
   if (const LoadInst *LI = dyn_cast<LoadInst>(I))
     return ConstantFoldLoadInst(LI, TD);
   
   return ConstantFoldInstOperands(I->getOpcode(), I->getType(),
-                                  Ops.data(), Ops.size(), Context, TD);
+                                  Ops.data(), Ops.size(), TD);
 }
 
 /// ConstantFoldConstantExpression - Attempt to fold the constant expression
 /// using the specified TargetData.  If successful, the constant result is
 /// result is returned, if not, null is returned.
 Constant *llvm::ConstantFoldConstantExpression(ConstantExpr *CE,
-                                               LLVMContext &Context,
                                                const TargetData *TD) {
   SmallVector<Constant*, 8> Ops;
   for (User::op_iterator i = CE->op_begin(), e = CE->op_end(); i != e; ++i)
@@ -679,10 +676,9 @@
 
   if (CE->isCompare())
     return ConstantFoldCompareInstOperands(CE->getPredicate(),
-                                           Ops.data(), Ops.size(), 
-                                           Context, TD);
+                                           Ops.data(), Ops.size(), TD);
   return ConstantFoldInstOperands(CE->getOpcode(), CE->getType(),
-                                  Ops.data(), Ops.size(), Context, TD);
+                                  Ops.data(), Ops.size(), TD);
 }
 
 /// ConstantFoldInstOperands - Attempt to constant fold an instruction with the
@@ -693,13 +689,11 @@
 ///
 Constant *llvm::ConstantFoldInstOperands(unsigned Opcode, const Type *DestTy, 
                                          Constant* const* Ops, unsigned NumOps,
-                                         LLVMContext &Context,
                                          const TargetData *TD) {
   // Handle easy binops first.
   if (Instruction::isBinaryOp(Opcode)) {
     if (isa<ConstantExpr>(Ops[0]) || isa<ConstantExpr>(Ops[1]))
-      if (Constant *C = SymbolicallyEvaluateBinop(Opcode, Ops[0], Ops[1], TD,
-                                                  Context))
+      if (Constant *C = SymbolicallyEvaluateBinop(Opcode, Ops[0], Ops[1], TD))
         return C;
     
     return ConstantExpr::get(Opcode, Ops[0], Ops[1]);
@@ -724,7 +718,7 @@
         unsigned InWidth = Input->getType()->getScalarSizeInBits();
         if (TD->getPointerSizeInBits() < InWidth) {
           Constant *Mask = 
-            ConstantInt::get(Context, APInt::getLowBitsSet(InWidth,
+            ConstantInt::get(CE->getContext(), APInt::getLowBitsSet(InWidth,
                                                   TD->getPointerSizeInBits()));
           Input = ConstantExpr::getAnd(Input, Mask);
         }
@@ -766,7 +760,7 @@
                                             AT->getNumElements()))) {
                         Constant *Index[] = {
                           Constant::getNullValue(CE->getType()),
-                          ConstantInt::get(Context, ElemIdx)
+                          ConstantInt::get(ElTy->getContext(), ElemIdx)
                         };
                         return
                         ConstantExpr::getGetElementPtr(GV, &Index[0], 2);
@@ -800,7 +794,7 @@
   case Instruction::ShuffleVector:
     return ConstantExpr::getShuffleVector(Ops[0], Ops[1], Ops[2]);
   case Instruction::GetElementPtr:
-    if (Constant *C = SymbolicallyEvaluateGEP(Ops, NumOps, DestTy, Context, TD))
+    if (Constant *C = SymbolicallyEvaluateGEP(Ops, NumOps, DestTy, TD))
       return C;
     
     return ConstantExpr::getGetElementPtr(Ops[0], Ops+1, NumOps-1);
@@ -812,9 +806,8 @@
 /// returns a constant expression of the specified operands.
 ///
 Constant *llvm::ConstantFoldCompareInstOperands(unsigned Predicate,
-                                                Constant*const * Ops, 
+                                                Constant *const *Ops, 
                                                 unsigned NumOps,
-                                                LLVMContext &Context,
                                                 const TargetData *TD) {
   // fold: icmp (inttoptr x), null         -> icmp x, 0
   // fold: icmp (ptrtoint x), 0            -> icmp x, null
@@ -825,15 +818,14 @@
   // around to know if bit truncation is happening.
   if (ConstantExpr *CE0 = dyn_cast<ConstantExpr>(Ops[0])) {
     if (TD && Ops[1]->isNullValue()) {
-      const Type *IntPtrTy = TD->getIntPtrType(Context);
+      const Type *IntPtrTy = TD->getIntPtrType(CE0->getContext());
       if (CE0->getOpcode() == Instruction::IntToPtr) {
         // Convert the integer value to the right size to ensure we get the
         // proper extension or truncation.
         Constant *C = ConstantExpr::getIntegerCast(CE0->getOperand(0),
                                                    IntPtrTy, false);
         Constant *NewOps[] = { C, Constant::getNullValue(C->getType()) };
-        return ConstantFoldCompareInstOperands(Predicate, NewOps, 2,
-                                               Context, TD);
+        return ConstantFoldCompareInstOperands(Predicate, NewOps, 2, TD);
       }
       
       // Only do this transformation if the int is intptrty in size, otherwise
@@ -843,14 +835,13 @@
         Constant *C = CE0->getOperand(0);
         Constant *NewOps[] = { C, Constant::getNullValue(C->getType()) };
         // FIXME!
-        return ConstantFoldCompareInstOperands(Predicate, NewOps, 2,
-                                               Context, TD);
+        return ConstantFoldCompareInstOperands(Predicate, NewOps, 2, TD);
       }
     }
     
     if (ConstantExpr *CE1 = dyn_cast<ConstantExpr>(Ops[1])) {
       if (TD && CE0->getOpcode() == CE1->getOpcode()) {
-        const Type *IntPtrTy = TD->getIntPtrType(Context);
+        const Type *IntPtrTy = TD->getIntPtrType(CE0->getContext());
 
         if (CE0->getOpcode() == Instruction::IntToPtr) {
           // Convert the integer value to the right size to ensure we get the
@@ -860,8 +851,7 @@
           Constant *C1 = ConstantExpr::getIntegerCast(CE1->getOperand(0),
                                                       IntPtrTy, false);
           Constant *NewOps[] = { C0, C1 };
-          return ConstantFoldCompareInstOperands(Predicate, NewOps, 2, 
-                                                 Context, TD);
+          return ConstantFoldCompareInstOperands(Predicate, NewOps, 2, TD);
         }
 
         // Only do this transformation if the int is intptrty in size, otherwise
@@ -872,8 +862,7 @@
           Constant *NewOps[] = { 
             CE0->getOperand(0), CE1->getOperand(0) 
           };
-          return ConstantFoldCompareInstOperands(Predicate, NewOps, 2, 
-                                                 Context, TD);
+          return ConstantFoldCompareInstOperands(Predicate, NewOps, 2, TD);
         }
       }
     }
@@ -996,7 +985,7 @@
 }
 
 static Constant *ConstantFoldFP(double (*NativeFP)(double), double V, 
-                                const Type *Ty, LLVMContext &Context) {
+                                const Type *Ty) {
   errno = 0;
   V = NativeFP(V);
   if (errno != 0) {
@@ -1005,17 +994,15 @@
   }
   
   if (Ty->isFloatTy())
-    return ConstantFP::get(Context, APFloat((float)V));
+    return ConstantFP::get(Ty->getContext(), APFloat((float)V));
   if (Ty->isDoubleTy())
-    return ConstantFP::get(Context, APFloat(V));
+    return ConstantFP::get(Ty->getContext(), APFloat(V));
   llvm_unreachable("Can only constant fold float/double");
   return 0; // dummy return to suppress warning
 }
 
 static Constant *ConstantFoldBinaryFP(double (*NativeFP)(double, double),
-                                      double V, double W,
-                                      const Type *Ty,
-                                      LLVMContext &Context) {
+                                      double V, double W, const Type *Ty) {
   errno = 0;
   V = NativeFP(V, W);
   if (errno != 0) {
@@ -1024,9 +1011,9 @@
   }
   
   if (Ty->isFloatTy())
-    return ConstantFP::get(Context, APFloat((float)V));
+    return ConstantFP::get(Ty->getContext(), APFloat((float)V));
   if (Ty->isDoubleTy())
-    return ConstantFP::get(Context, APFloat(V));
+    return ConstantFP::get(Ty->getContext(), APFloat(V));
   llvm_unreachable("Can only constant fold float/double");
   return 0; // dummy return to suppress warning
 }
@@ -1037,7 +1024,6 @@
 llvm::ConstantFoldCall(Function *F, 
                        Constant *const *Operands, unsigned NumOperands) {
   if (!F->hasName()) return 0;
-  LLVMContext &Context = F->getContext();
   StringRef Name = F->getName();
 
   const Type *Ty = F->getReturnType();
@@ -1054,62 +1040,62 @@
       switch (Name[0]) {
       case 'a':
         if (Name == "acos")
-          return ConstantFoldFP(acos, V, Ty, Context);
+          return ConstantFoldFP(acos, V, Ty);
         else if (Name == "asin")
-          return ConstantFoldFP(asin, V, Ty, Context);
+          return ConstantFoldFP(asin, V, Ty);
         else if (Name == "atan")
-          return ConstantFoldFP(atan, V, Ty, Context);
+          return ConstantFoldFP(atan, V, Ty);
         break;
       case 'c':
         if (Name == "ceil")
-          return ConstantFoldFP(ceil, V, Ty, Context);
+          return ConstantFoldFP(ceil, V, Ty);
         else if (Name == "cos")
-          return ConstantFoldFP(cos, V, Ty, Context);
+          return ConstantFoldFP(cos, V, Ty);
         else if (Name == "cosh")
-          return ConstantFoldFP(cosh, V, Ty, Context);
+          return ConstantFoldFP(cosh, V, Ty);
         else if (Name == "cosf")
-          return ConstantFoldFP(cos, V, Ty, Context);
+          return ConstantFoldFP(cos, V, Ty);
         break;
       case 'e':
         if (Name == "exp")
-          return ConstantFoldFP(exp, V, Ty, Context);
+          return ConstantFoldFP(exp, V, Ty);
         break;
       case 'f':
         if (Name == "fabs")
-          return ConstantFoldFP(fabs, V, Ty, Context);
+          return ConstantFoldFP(fabs, V, Ty);
         else if (Name == "floor")
-          return ConstantFoldFP(floor, V, Ty, Context);
+          return ConstantFoldFP(floor, V, Ty);
         break;
       case 'l':
         if (Name == "log" && V > 0)
-          return ConstantFoldFP(log, V, Ty, Context);
+          return ConstantFoldFP(log, V, Ty);
         else if (Name == "log10" && V > 0)
-          return ConstantFoldFP(log10, V, Ty, Context);
+          return ConstantFoldFP(log10, V, Ty);
         else if (Name == "llvm.sqrt.f32" ||
                  Name == "llvm.sqrt.f64") {
           if (V >= -0.0)
-            return ConstantFoldFP(sqrt, V, Ty, Context);
+            return ConstantFoldFP(sqrt, V, Ty);
           else // Undefined
             return Constant::getNullValue(Ty);
         }
         break;
       case 's':
         if (Name == "sin")
-          return ConstantFoldFP(sin, V, Ty, Context);
+          return ConstantFoldFP(sin, V, Ty);
         else if (Name == "sinh")
-          return ConstantFoldFP(sinh, V, Ty, Context);
+          return ConstantFoldFP(sinh, V, Ty);
         else if (Name == "sqrt" && V >= 0)
-          return ConstantFoldFP(sqrt, V, Ty, Context);
+          return ConstantFoldFP(sqrt, V, Ty);
         else if (Name == "sqrtf" && V >= 0)
-          return ConstantFoldFP(sqrt, V, Ty, Context);
+          return ConstantFoldFP(sqrt, V, Ty);
         else if (Name == "sinf")
-          return ConstantFoldFP(sin, V, Ty, Context);
+          return ConstantFoldFP(sin, V, Ty);
         break;
       case 't':
         if (Name == "tan")
-          return ConstantFoldFP(tan, V, Ty, Context);
+          return ConstantFoldFP(tan, V, Ty);
         else if (Name == "tanh")
-          return ConstantFoldFP(tanh, V, Ty, Context);
+          return ConstantFoldFP(tanh, V, Ty);
         break;
       default:
         break;
@@ -1120,7 +1106,7 @@
     
     if (ConstantInt *Op = dyn_cast<ConstantInt>(Operands[0])) {
       if (Name.startswith("llvm.bswap"))
-        return ConstantInt::get(Context, Op->getValue().byteSwap());
+        return ConstantInt::get(F->getContext(), Op->getValue().byteSwap());
       else if (Name.startswith("llvm.ctpop"))
         return ConstantInt::get(Ty, Op->getValue().countPopulation());
       else if (Name.startswith("llvm.cttz"))
@@ -1149,18 +1135,20 @@
                       Op2->getValueAPF().convertToDouble();
 
         if (Name == "pow")
-          return ConstantFoldBinaryFP(pow, Op1V, Op2V, Ty, Context);
+          return ConstantFoldBinaryFP(pow, Op1V, Op2V, Ty);
         if (Name == "fmod")
-          return ConstantFoldBinaryFP(fmod, Op1V, Op2V, Ty, Context);
+          return ConstantFoldBinaryFP(fmod, Op1V, Op2V, Ty);
         if (Name == "atan2")
-          return ConstantFoldBinaryFP(atan2, Op1V, Op2V, Ty, Context);
+          return ConstantFoldBinaryFP(atan2, Op1V, Op2V, Ty);
       } else if (ConstantInt *Op2C = dyn_cast<ConstantInt>(Operands[1])) {
         if (Name == "llvm.powi.f32")
-          return ConstantFP::get(Context, APFloat((float)std::pow((float)Op1V,
+          return ConstantFP::get(F->getContext(),
+                                 APFloat((float)std::pow((float)Op1V,
                                                  (int)Op2C->getZExtValue())));
         if (Name == "llvm.powi.f64")
-          return ConstantFP::get(Context, APFloat((double)std::pow((double)Op1V,
-                                                 (int)Op2C->getZExtValue())));
+          return ConstantFP::get(F->getContext(),
+                                 APFloat((double)std::pow((double)Op1V,
+                                                   (int)Op2C->getZExtValue())));
       }
       return 0;
     }

Modified: llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryBuiltins.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/MemoryBuiltins.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryBuiltins.cpp Thu Nov  5 22:27:31 2009
@@ -91,8 +91,7 @@
   return isa<ConstantInt>(val) && cast<ConstantInt>(val)->isOne();
 }
 
-static Value *isArrayMallocHelper(const CallInst *CI, LLVMContext &Context,
-                                  const TargetData *TD) {
+static Value *isArrayMallocHelper(const CallInst *CI, const TargetData *TD) {
   if (!CI)
     return NULL;
 
@@ -109,7 +108,7 @@
   ElementSize = ConstantExpr::getTruncOrBitCast(ElementSize, 
                                                 MallocArg->getType());
   Constant *FoldedElementSize =
-   ConstantFoldConstantExpression(cast<ConstantExpr>(ElementSize), Context, TD);
+   ConstantFoldConstantExpression(cast<ConstantExpr>(ElementSize), TD);
 
   // First, check if CI is a non-array malloc.
   if (CO && ((CO == ElementSize) ||
@@ -159,7 +158,7 @@
       
       APInt Op1Int = Op1CI->getValue();
       uint64_t BitToSet = Op1Int.getLimitedValue(Op1Int.getBitWidth() - 1);
-      Value *Op1Pow = ConstantInt::get(Context, 
+      Value *Op1Pow = ConstantInt::get(Op1CI->getContext(), 
                                   APInt(Op1Int.getBitWidth(), 0).set(BitToSet));
       if (Op0 == ElementSize || (FoldedElementSize && Op0 == FoldedElementSize))
         // ArraySize << log2(ElementSize)
@@ -178,10 +177,9 @@
 /// isArrayMalloc - Returns the corresponding CallInst if the instruction 
 /// is a call to malloc whose array size can be determined and the array size
 /// is not constant 1.  Otherwise, return NULL.
-CallInst *llvm::isArrayMalloc(Value *I, LLVMContext &Context,
-                              const TargetData *TD) {
+CallInst *llvm::isArrayMalloc(Value *I, const TargetData *TD) {
   CallInst *CI = extractMallocCall(I);
-  Value *ArraySize = isArrayMallocHelper(CI, Context, TD);
+  Value *ArraySize = isArrayMallocHelper(CI, TD);
 
   if (ArraySize &&
       ArraySize != ConstantInt::get(CI->getOperand(1)->getType(), 1))
@@ -191,10 +189,9 @@
   return NULL;
 }
 
-const CallInst *llvm::isArrayMalloc(const Value *I, LLVMContext &Context,
-                                    const TargetData *TD) {
+const CallInst *llvm::isArrayMalloc(const Value *I, const TargetData *TD) {
   const CallInst *CI = extractMallocCall(I);
-  Value *ArraySize = isArrayMallocHelper(CI, Context, TD);
+  Value *ArraySize = isArrayMallocHelper(CI, TD);
 
   if (ArraySize &&
       ArraySize != ConstantInt::get(CI->getOperand(1)->getType(), 1))
@@ -244,9 +241,8 @@
 /// then return that multiple.  For non-array mallocs, the multiple is
 /// constant 1.  Otherwise, return NULL for mallocs whose array size cannot be
 /// determined.
-Value *llvm::getMallocArraySize(CallInst *CI, LLVMContext &Context,
-                                const TargetData *TD) {
-  return isArrayMallocHelper(CI, Context, TD);
+Value *llvm::getMallocArraySize(CallInst *CI, const TargetData *TD) {
+  return isArrayMallocHelper(CI, TD);
 }
 
 //===----------------------------------------------------------------------===//

Modified: llvm/trunk/lib/Analysis/PointerTracking.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/PointerTracking.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/PointerTracking.cpp (original)
+++ llvm/trunk/lib/Analysis/PointerTracking.cpp Thu Nov  5 22:27:31 2009
@@ -10,6 +10,7 @@
 // This file implements tracking of pointer bounds.
 //
 //===----------------------------------------------------------------------===//
+
 #include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/LoopInfo.h"
@@ -101,7 +102,7 @@
   }
 
   if (CallInst *CI = extractMallocCall(V)) {
-    Value *arraySize = getMallocArraySize(CI, P->getContext(), TD);
+    Value *arraySize = getMallocArraySize(CI, TD);
     const Type* AllocTy = getMallocAllocatedType(CI);
     if (!AllocTy || !arraySize) return SE->getCouldNotCompute();
     Ty = AllocTy;

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Thu Nov  5 22:27:31 2009
@@ -3816,7 +3816,6 @@
   if (Constant *C = dyn_cast<Constant>(V)) return C;
   if (GlobalValue *GV = dyn_cast<GlobalValue>(V)) return GV;
   Instruction *I = cast<Instruction>(V);
-  LLVMContext &Context = I->getParent()->getContext();
 
   std::vector<Constant*> Operands;
   Operands.resize(I->getNumOperands());
@@ -3828,12 +3827,10 @@
 
   if (const CmpInst *CI = dyn_cast<CmpInst>(I))
     return ConstantFoldCompareInstOperands(CI->getPredicate(),
-                                           &Operands[0], Operands.size(),
-                                           Context);
+                                           &Operands[0], Operands.size());
   else
     return ConstantFoldInstOperands(I->getOpcode(), I->getType(),
-                                    &Operands[0], Operands.size(),
-                                    Context);
+                                    &Operands[0], Operands.size());
 }
 
 /// getConstantEvolutionLoopExitValue - If we know that the specified Phi is
@@ -4040,12 +4037,10 @@
         Constant *C;
         if (const CmpInst *CI = dyn_cast<CmpInst>(I))
           C = ConstantFoldCompareInstOperands(CI->getPredicate(),
-                                              &Operands[0], Operands.size(),
-                                              getContext());
+                                              &Operands[0], Operands.size());
         else
           C = ConstantFoldInstOperands(I->getOpcode(), I->getType(),
-                                       &Operands[0], Operands.size(),
-                                       getContext());
+                                       &Operands[0], Operands.size());
         return getSCEV(C);
       }
     }

Modified: llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp Thu Nov  5 22:27:31 2009
@@ -20,7 +20,6 @@
 #include "llvm/DerivedTypes.h"
 #include "llvm/Instructions.h"
 #include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
 #include "llvm/Pass.h"
 #include "llvm/Analysis/ConstantFolding.h"
@@ -245,8 +244,7 @@
   return false;
 }
 
-static Constant *getAggregateConstantElement(Constant *Agg, Constant *Idx,
-                                             LLVMContext &Context) {
+static Constant *getAggregateConstantElement(Constant *Agg, Constant *Idx) {
   ConstantInt *CI = dyn_cast<ConstantInt>(Idx);
   if (!CI) return 0;
   unsigned IdxV = CI->getZExtValue();
@@ -282,8 +280,7 @@
 /// users of the global, cleaning up the obvious ones.  This is largely just a
 /// quick scan over the use list to clean up the easy and obvious cruft.  This
 /// returns true if it made a change.
-static bool CleanupConstantGlobalUsers(Value *V, Constant *Init,
-                                       LLVMContext &Context) {
+static bool CleanupConstantGlobalUsers(Value *V, Constant *Init) {
   bool Changed = false;
   for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E;) {
     User *U = *UI++;
@@ -304,11 +301,11 @@
         Constant *SubInit = 0;
         if (Init)
           SubInit = ConstantFoldLoadThroughGEPConstantExpr(Init, CE);
-        Changed |= CleanupConstantGlobalUsers(CE, SubInit, Context);
+        Changed |= CleanupConstantGlobalUsers(CE, SubInit);
       } else if (CE->getOpcode() == Instruction::BitCast && 
                  isa<PointerType>(CE->getType())) {
         // Pointer cast, delete any stores and memsets to the global.
-        Changed |= CleanupConstantGlobalUsers(CE, 0, Context);
+        Changed |= CleanupConstantGlobalUsers(CE, 0);
       }
 
       if (CE->use_empty()) {
@@ -322,11 +319,11 @@
       Constant *SubInit = 0;
       if (!isa<ConstantExpr>(GEP->getOperand(0))) {
         ConstantExpr *CE = 
-          dyn_cast_or_null<ConstantExpr>(ConstantFoldInstruction(GEP, Context));
+          dyn_cast_or_null<ConstantExpr>(ConstantFoldInstruction(GEP));
         if (Init && CE && CE->getOpcode() == Instruction::GetElementPtr)
           SubInit = ConstantFoldLoadThroughGEPConstantExpr(Init, CE);
       }
-      Changed |= CleanupConstantGlobalUsers(GEP, SubInit, Context);
+      Changed |= CleanupConstantGlobalUsers(GEP, SubInit);
 
       if (GEP->use_empty()) {
         GEP->eraseFromParent();
@@ -344,7 +341,7 @@
       if (SafeToDestroyConstant(C)) {
         C->destroyConstant();
         // This could have invalidated UI, start over from scratch.
-        CleanupConstantGlobalUsers(V, Init, Context);
+        CleanupConstantGlobalUsers(V, Init);
         return true;
       }
     }
@@ -469,8 +466,7 @@
 /// behavior of the program in a more fine-grained way.  We have determined that
 /// this transformation is safe already.  We return the first global variable we
 /// insert so that the caller can reprocess it.
-static GlobalVariable *SRAGlobal(GlobalVariable *GV, const TargetData &TD,
-                                 LLVMContext &Context) {
+static GlobalVariable *SRAGlobal(GlobalVariable *GV, const TargetData &TD) {
   // Make sure this global only has simple uses that we can SRA.
   if (!GlobalUsersSafeToSRA(GV))
     return 0;
@@ -492,11 +488,9 @@
     const StructLayout &Layout = *TD.getStructLayout(STy);
     for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
       Constant *In = getAggregateConstantElement(Init,
-                                ConstantInt::get(Type::getInt32Ty(Context), i),
-                                    Context);
+                    ConstantInt::get(Type::getInt32Ty(STy->getContext()), i));
       assert(In && "Couldn't get element of initializer?");
-      GlobalVariable *NGV = new GlobalVariable(Context,
-                                               STy->getElementType(i), false,
+      GlobalVariable *NGV = new GlobalVariable(STy->getElementType(i), false,
                                                GlobalVariable::InternalLinkage,
                                                In, GV->getName()+"."+Twine(i),
                                                GV->isThreadLocal(),
@@ -527,12 +521,10 @@
     unsigned EltAlign = TD.getABITypeAlignment(STy->getElementType());
     for (unsigned i = 0, e = NumElements; i != e; ++i) {
       Constant *In = getAggregateConstantElement(Init,
-                                ConstantInt::get(Type::getInt32Ty(Context), i),
-                                    Context);
+                    ConstantInt::get(Type::getInt32Ty(Init->getContext()), i));
       assert(In && "Couldn't get element of initializer?");
 
-      GlobalVariable *NGV = new GlobalVariable(Context,
-                                               STy->getElementType(), false,
+      GlobalVariable *NGV = new GlobalVariable(STy->getElementType(), false,
                                                GlobalVariable::InternalLinkage,
                                                In, GV->getName()+"."+Twine(i),
                                                GV->isThreadLocal(),
@@ -554,7 +546,7 @@
 
   DEBUG(errs() << "PERFORMING GLOBAL SRA ON: " << *GV);
 
-  Constant *NullInt = Constant::getNullValue(Type::getInt32Ty(Context));
+  Constant *NullInt =Constant::getNullValue(Type::getInt32Ty(GV->getContext()));
 
   // Loop over all of the uses of the global, replacing the constantexpr geps,
   // with smaller constantexpr geps or direct references.
@@ -678,8 +670,7 @@
   return true;
 }
 
-static bool OptimizeAwayTrappingUsesOfValue(Value *V, Constant *NewV,
-                                           LLVMContext &Context) {
+static bool OptimizeAwayTrappingUsesOfValue(Value *V, Constant *NewV) {
   bool Changed = false;
   for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E; ) {
     Instruction *I = cast<Instruction>(*UI++);
@@ -712,7 +703,7 @@
     } else if (CastInst *CI = dyn_cast<CastInst>(I)) {
       Changed |= OptimizeAwayTrappingUsesOfValue(CI,
                                 ConstantExpr::getCast(CI->getOpcode(),
-                                                NewV, CI->getType()), Context);
+                                                      NewV, CI->getType()));
       if (CI->use_empty()) {
         Changed = true;
         CI->eraseFromParent();
@@ -730,7 +721,7 @@
       if (Idxs.size() == GEPI->getNumOperands()-1)
         Changed |= OptimizeAwayTrappingUsesOfValue(GEPI,
                           ConstantExpr::getGetElementPtr(NewV, &Idxs[0],
-                                                        Idxs.size()), Context);
+                                                        Idxs.size()));
       if (GEPI->use_empty()) {
         Changed = true;
         GEPI->eraseFromParent();
@@ -746,8 +737,7 @@
 /// value stored into it.  If there are uses of the loaded value that would trap
 /// if the loaded value is dynamically null, then we know that they cannot be
 /// reachable with a null optimize away the load.
-static bool OptimizeAwayTrappingUsesOfLoads(GlobalVariable *GV, Constant *LV,
-                                            LLVMContext &Context) {
+static bool OptimizeAwayTrappingUsesOfLoads(GlobalVariable *GV, Constant *LV) {
   bool Changed = false;
 
   // Keep track of whether we are able to remove all the uses of the global
@@ -758,7 +748,7 @@
   for (Value::use_iterator GUI = GV->use_begin(), E = GV->use_end(); GUI != E;){
     User *GlobalUser = *GUI++;
     if (LoadInst *LI = dyn_cast<LoadInst>(GlobalUser)) {
-      Changed |= OptimizeAwayTrappingUsesOfValue(LI, LV, Context);
+      Changed |= OptimizeAwayTrappingUsesOfValue(LI, LV);
       // If we were able to delete all uses of the loads
       if (LI->use_empty()) {
         LI->eraseFromParent();
@@ -789,7 +779,7 @@
   // nor is the global.
   if (AllNonStoreUsesGone) {
     DEBUG(errs() << "  *** GLOBAL NOW DEAD!\n");
-    CleanupConstantGlobalUsers(GV, 0, Context);
+    CleanupConstantGlobalUsers(GV, 0);
     if (GV->use_empty()) {
       GV->eraseFromParent();
       ++NumDeleted;
@@ -801,10 +791,10 @@
 
 /// ConstantPropUsersOf - Walk the use list of V, constant folding all of the
 /// instructions that are foldable.
-static void ConstantPropUsersOf(Value *V, LLVMContext &Context) {
+static void ConstantPropUsersOf(Value *V) {
   for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E; )
     if (Instruction *I = dyn_cast<Instruction>(*UI++))
-      if (Constant *NewC = ConstantFoldInstruction(I, Context)) {
+      if (Constant *NewC = ConstantFoldInstruction(I)) {
         I->replaceAllUsesWith(NewC);
 
         // Advance UI to the next non-I use to avoid invalidating it!
@@ -824,12 +814,11 @@
                                                      CallInst *CI,
                                                      BitCastInst *BCI,
                                                      Value* NElems,
-                                                     LLVMContext &Context,
                                                      TargetData* TD) {
   DEBUG(errs() << "PROMOTING MALLOC GLOBAL: " << *GV
                << "  CALL = " << *CI << "  BCI = " << *BCI << '\n');
 
-  const Type *IntPtrTy = TD->getIntPtrType(Context);
+  const Type *IntPtrTy = TD->getIntPtrType(GV->getContext());
   
   ConstantInt *NElements = cast<ConstantInt>(NElems);
   if (NElements->getZExtValue() != 1) {
@@ -872,10 +861,10 @@
   // If there is a comparison against null, we will insert a global bool to
   // keep track of whether the global was initialized yet or not.
   GlobalVariable *InitBool =
-    new GlobalVariable(Context, Type::getInt1Ty(Context), false,
+    new GlobalVariable(Type::getInt1Ty(GV->getContext()), false,
                        GlobalValue::InternalLinkage,
-                       ConstantInt::getFalse(Context), GV->getName()+".init",
-                       GV->isThreadLocal());
+                       ConstantInt::getFalse(GV->getContext()),
+                       GV->getName()+".init", GV->isThreadLocal());
   bool InitBoolUsed = false;
 
   // Loop over all uses of GV, processing them in turn.
@@ -894,8 +883,8 @@
           switch (ICI->getPredicate()) {
           default: llvm_unreachable("Unknown ICmp Predicate!");
           case ICmpInst::ICMP_ULT:
-          case ICmpInst::ICMP_SLT:
-            LV = ConstantInt::getFalse(Context);   // X < null -> always false
+          case ICmpInst::ICMP_SLT:   // X < null -> always false
+            LV = ConstantInt::getFalse(GV->getContext());
             break;
           case ICmpInst::ICMP_ULE:
           case ICmpInst::ICMP_SLE:
@@ -917,7 +906,7 @@
     } else {
       StoreInst *SI = cast<StoreInst>(GV->use_back());
       // The global is initialized when the store to it occurs.
-      new StoreInst(ConstantInt::getTrue(Context), InitBool, SI);
+      new StoreInst(ConstantInt::getTrue(GV->getContext()), InitBool, SI);
       SI->eraseFromParent();
     }
 
@@ -938,9 +927,9 @@
   // To further other optimizations, loop over all users of NewGV and try to
   // constant prop them.  This will promote GEP instructions with constant
   // indices into GEP constant-exprs, which will allow global-opt to hack on it.
-  ConstantPropUsersOf(NewGV, Context);
+  ConstantPropUsersOf(NewGV);
   if (RepValue != NewGV)
-    ConstantPropUsersOf(RepValue, Context);
+    ConstantPropUsersOf(RepValue);
 
   return NewGV;
 }
@@ -1142,8 +1131,7 @@
 
 static Value *GetHeapSROAValue(Value *V, unsigned FieldNo,
                DenseMap<Value*, std::vector<Value*> > &InsertedScalarizedValues,
-                   std::vector<std::pair<PHINode*, unsigned> > &PHIsToRewrite,
-                   LLVMContext &Context) {
+                   std::vector<std::pair<PHINode*, unsigned> > &PHIsToRewrite) {
   std::vector<Value*> &FieldVals = InsertedScalarizedValues[V];
   
   if (FieldNo >= FieldVals.size())
@@ -1161,7 +1149,7 @@
     // a new Load of the scalarized global.
     Result = new LoadInst(GetHeapSROAValue(LI->getOperand(0), FieldNo,
                                            InsertedScalarizedValues,
-                                           PHIsToRewrite, Context),
+                                           PHIsToRewrite),
                           LI->getName()+".f"+Twine(FieldNo), LI);
   } else if (PHINode *PN = dyn_cast<PHINode>(V)) {
     // PN's type is pointer to struct.  Make a new PHI of pointer to struct
@@ -1185,16 +1173,14 @@
 /// the load, rewrite the derived value to use the HeapSRoA'd load.
 static void RewriteHeapSROALoadUser(Instruction *LoadUser, 
              DenseMap<Value*, std::vector<Value*> > &InsertedScalarizedValues,
-                   std::vector<std::pair<PHINode*, unsigned> > &PHIsToRewrite,
-                   LLVMContext &Context) {
+                   std::vector<std::pair<PHINode*, unsigned> > &PHIsToRewrite) {
   // If this is a comparison against null, handle it.
   if (ICmpInst *SCI = dyn_cast<ICmpInst>(LoadUser)) {
     assert(isa<ConstantPointerNull>(SCI->getOperand(1)));
     // If we have a setcc of the loaded pointer, we can use a setcc of any
     // field.
     Value *NPtr = GetHeapSROAValue(SCI->getOperand(0), 0,
-                                   InsertedScalarizedValues, PHIsToRewrite,
-                                   Context);
+                                   InsertedScalarizedValues, PHIsToRewrite);
     
     Value *New = new ICmpInst(SCI, SCI->getPredicate(), NPtr,
                               Constant::getNullValue(NPtr->getType()), 
@@ -1212,8 +1198,7 @@
     // Load the pointer for this field.
     unsigned FieldNo = cast<ConstantInt>(GEPI->getOperand(2))->getZExtValue();
     Value *NewPtr = GetHeapSROAValue(GEPI->getOperand(0), FieldNo,
-                                     InsertedScalarizedValues, PHIsToRewrite,
-                                     Context);
+                                     InsertedScalarizedValues, PHIsToRewrite);
     
     // Create the new GEP idx vector.
     SmallVector<Value*, 8> GEPIdx;
@@ -1245,8 +1230,7 @@
   // users.
   for (Value::use_iterator UI = PN->use_begin(), E = PN->use_end(); UI != E; ) {
     Instruction *User = cast<Instruction>(*UI++);
-    RewriteHeapSROALoadUser(User, InsertedScalarizedValues, PHIsToRewrite,
-                            Context);
+    RewriteHeapSROALoadUser(User, InsertedScalarizedValues, PHIsToRewrite);
   }
 }
 
@@ -1256,13 +1240,11 @@
 /// AllGlobalLoadUsesSimpleEnoughForHeapSRA.
 static void RewriteUsesOfLoadForHeapSRoA(LoadInst *Load, 
                DenseMap<Value*, std::vector<Value*> > &InsertedScalarizedValues,
-                   std::vector<std::pair<PHINode*, unsigned> > &PHIsToRewrite,
-                   LLVMContext &Context) {
+                   std::vector<std::pair<PHINode*, unsigned> > &PHIsToRewrite) {
   for (Value::use_iterator UI = Load->use_begin(), E = Load->use_end();
        UI != E; ) {
     Instruction *User = cast<Instruction>(*UI++);
-    RewriteHeapSROALoadUser(User, InsertedScalarizedValues, PHIsToRewrite,
-                            Context);
+    RewriteHeapSROALoadUser(User, InsertedScalarizedValues, PHIsToRewrite);
   }
   
   if (Load->use_empty()) {
@@ -1276,7 +1258,6 @@
 static GlobalVariable *PerformHeapAllocSRoA(GlobalVariable *GV,
                                             CallInst *CI, BitCastInst* BCI,
                                             Value* NElems,
-                                            LLVMContext &Context,
                                             TargetData *TD) {
   DEBUG(errs() << "SROA HEAP ALLOC: " << *GV << "  MALLOC CALL = " << *CI 
                << " BITCAST = " << *BCI << '\n');
@@ -1306,7 +1287,7 @@
                          GV->isThreadLocal());
     FieldGlobals.push_back(NGV);
     
-    Value *NMI = CallInst::CreateMalloc(CI, TD->getIntPtrType(Context),
+    Value *NMI = CallInst::CreateMalloc(CI, TD->getIntPtrType(CI->getContext()),
                                         FieldTy, NElems,
                                         BCI->getName() + ".f" + Twine(FieldNo));
     FieldMallocs.push_back(NMI);
@@ -1342,7 +1323,8 @@
   
   // Create the block to check the first condition.  Put all these blocks at the
   // end of the function as they are unlikely to be executed.
-  BasicBlock *NullPtrBlock = BasicBlock::Create(Context, "malloc_ret_null",
+  BasicBlock *NullPtrBlock = BasicBlock::Create(OrigBB->getContext(),
+                                                "malloc_ret_null",
                                                 OrigBB->getParent());
   
   // Remove the uncond branch from OrigBB to ContBB, turning it into a cond
@@ -1357,9 +1339,9 @@
     Value *Cmp = new ICmpInst(*NullPtrBlock, ICmpInst::ICMP_NE, GVVal, 
                               Constant::getNullValue(GVVal->getType()),
                               "tmp");
-    BasicBlock *FreeBlock = BasicBlock::Create(Context, "free_it",
+    BasicBlock *FreeBlock = BasicBlock::Create(Cmp->getContext(), "free_it",
                                                OrigBB->getParent());
-    BasicBlock *NextBlock = BasicBlock::Create(Context, "next",
+    BasicBlock *NextBlock = BasicBlock::Create(Cmp->getContext(), "next",
                                                OrigBB->getParent());
     Instruction *BI = BranchInst::Create(FreeBlock, NextBlock,
                                          Cmp, NullPtrBlock);
@@ -1394,8 +1376,7 @@
     Instruction *User = cast<Instruction>(*UI++);
     
     if (LoadInst *LI = dyn_cast<LoadInst>(User)) {
-      RewriteUsesOfLoadForHeapSRoA(LI, InsertedScalarizedValues, PHIsToRewrite,
-                                   Context);
+      RewriteUsesOfLoadForHeapSRoA(LI, InsertedScalarizedValues, PHIsToRewrite);
       continue;
     }
     
@@ -1426,7 +1407,7 @@
     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {
       Value *InVal = PN->getIncomingValue(i);
       InVal = GetHeapSROAValue(InVal, FieldNo, InsertedScalarizedValues,
-                               PHIsToRewrite, Context);
+                               PHIsToRewrite);
       FieldPN->addIncoming(InVal, PN->getIncomingBlock(i));
     }
   }
@@ -1465,8 +1446,7 @@
                                                CallInst *CI,
                                                BitCastInst *BCI,
                                                Module::global_iterator &GVI,
-                                               TargetData *TD,
-                                               LLVMContext &Context) {
+                                               TargetData *TD) {
   // If we can't figure out the type being malloced, then we can't optimize.
   const Type *AllocTy = getMallocAllocatedType(CI);
   assert(AllocTy);
@@ -1499,7 +1479,7 @@
   // transform the program to use global memory instead of malloc'd memory.
   // This eliminates dynamic allocation, avoids an indirection accessing the
   // data, and exposes the resultant global to further GlobalOpt.
-  Value *NElems = getMallocArraySize(CI, Context, TD);
+  Value *NElems = getMallocArraySize(CI, TD);
   // We cannot optimize the malloc if we cannot determine malloc array size.
   if (NElems) {
     if (ConstantInt *NElements = dyn_cast<ConstantInt>(NElems))
@@ -1508,7 +1488,7 @@
       // something.
       if (TD && 
           NElements->getZExtValue() * TD->getTypeAllocSize(AllocTy) < 2048) {
-        GVI = OptimizeGlobalAddressOfMalloc(GV, CI, BCI, NElems, Context, TD);
+        GVI = OptimizeGlobalAddressOfMalloc(GV, CI, BCI, NElems, TD);
         return true;
       }
   
@@ -1532,9 +1512,11 @@
         // structs.  malloc [100 x struct],1 -> malloc struct, 100
         if (const ArrayType *AT =
                               dyn_cast<ArrayType>(getMallocAllocatedType(CI))) {
-          Value* NumElements = ConstantInt::get(Type::getInt32Ty(Context),
-                                                AT->getNumElements());
-          Value* NewMI = CallInst::CreateMalloc(CI, TD->getIntPtrType(Context),
+          Value *NumElements =
+             ConstantInt::get(Type::getInt32Ty(CI->getContext()),
+                              AT->getNumElements());
+          Value *NewMI = CallInst::CreateMalloc(CI,
+                                            TD->getIntPtrType(CI->getContext()),
                                                 AllocSTy, NumElements,
                                                 BCI->getName());
           Value *Cast = new BitCastInst(NewMI, getMallocType(CI), "tmp", CI);
@@ -1545,7 +1527,7 @@
           CI = extractMallocCallFromBitCast(NewMI);
         }
       
-        GVI = PerformHeapAllocSRoA(GV, CI, BCI, NElems, Context, TD);
+        GVI = PerformHeapAllocSRoA(GV, CI, BCI, NElems, TD);
         return true;
       }
     }
@@ -1558,7 +1540,7 @@
 // that only one value (besides its initializer) is ever stored to the global.
 static bool OptimizeOnceStoredGlobal(GlobalVariable *GV, Value *StoredOnceVal,
                                      Module::global_iterator &GVI,
-                                     TargetData *TD, LLVMContext &Context) {
+                                     TargetData *TD) {
   // Ignore no-op GEPs and bitcasts.
   StoredOnceVal = StoredOnceVal->stripPointerCasts();
 
@@ -1574,7 +1556,7 @@
          ConstantExpr::getBitCast(SOVC, GV->getInitializer()->getType());
 
       // Optimize away any trapping uses of the loaded value.
-      if (OptimizeAwayTrappingUsesOfLoads(GV, SOVC, Context))
+      if (OptimizeAwayTrappingUsesOfLoads(GV, SOVC))
         return true;
     } else if (CallInst *CI = extractMallocCall(StoredOnceVal)) {
       if (getMallocAllocatedType(CI)) {
@@ -1582,8 +1564,7 @@
         for (Value::use_iterator UI = CI->use_begin(), E = CI->use_end();
              UI != E; )
           BCI = dyn_cast<BitCastInst>(cast<Instruction>(*UI++));
-        if (BCI &&
-            TryToOptimizeStoreOfMallocToGlobal(GV, CI, BCI, GVI, TD, Context))
+        if (BCI && TryToOptimizeStoreOfMallocToGlobal(GV, CI, BCI, GVI, TD))
           return true;
       }
     }
@@ -1596,8 +1577,7 @@
 /// two values ever stored into GV are its initializer and OtherVal.  See if we
 /// can shrink the global into a boolean and select between the two values
 /// whenever it is used.  This exposes the values to other scalar optimizations.
-static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal,
-                                       LLVMContext &Context) {
+static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
   const Type *GVElType = GV->getType()->getElementType();
   
   // If GVElType is already i1, it is already shrunk.  If the type of the GV is
@@ -1605,7 +1585,8 @@
   // between them is very expensive and unlikely to lead to later
   // simplification.  In these cases, we typically end up with "cond ? v1 : v2"
   // where v1 and v2 both require constant pool loads, a big loss.
-  if (GVElType == Type::getInt1Ty(Context) || GVElType->isFloatingPoint() ||
+  if (GVElType == Type::getInt1Ty(GV->getContext()) ||
+      GVElType->isFloatingPoint() ||
       isa<PointerType>(GVElType) || isa<VectorType>(GVElType))
     return false;
   
@@ -1618,15 +1599,16 @@
   DEBUG(errs() << "   *** SHRINKING TO BOOL: " << *GV);
   
   // Create the new global, initializing it to false.
-  GlobalVariable *NewGV = new GlobalVariable(Context,
-                                             Type::getInt1Ty(Context), false,
-         GlobalValue::InternalLinkage, ConstantInt::getFalse(Context),
+  GlobalVariable *NewGV = new GlobalVariable(Type::getInt1Ty(GV->getContext()),
+                                             false,
+                                             GlobalValue::InternalLinkage, 
+                                        ConstantInt::getFalse(GV->getContext()),
                                              GV->getName()+".b",
                                              GV->isThreadLocal());
   GV->getParent()->getGlobalList().insert(GV, NewGV);
 
   Constant *InitVal = GV->getInitializer();
-  assert(InitVal->getType() != Type::getInt1Ty(Context) &&
+  assert(InitVal->getType() != Type::getInt1Ty(GV->getContext()) &&
          "No reason to shrink to bool!");
 
   // If initialized to zero and storing one into the global, we can use a cast
@@ -1643,7 +1625,8 @@
       // Only do this if we weren't storing a loaded value.
       Value *StoreVal;
       if (StoringOther || SI->getOperand(0) == InitVal)
-        StoreVal = ConstantInt::get(Type::getInt1Ty(Context), StoringOther);
+        StoreVal = ConstantInt::get(Type::getInt1Ty(GV->getContext()),
+                                    StoringOther);
       else {
         // Otherwise, we are storing a previously loaded copy.  To do this,
         // change the copy from copying the original value to just copying the
@@ -1758,8 +1741,7 @@
 
       // Delete any stores we can find to the global.  We may not be able to
       // make it completely dead though.
-      bool Changed = CleanupConstantGlobalUsers(GV, GV->getInitializer(), 
-                                                GV->getContext());
+      bool Changed = CleanupConstantGlobalUsers(GV, GV->getInitializer());
 
       // If the global is dead now, delete it.
       if (GV->use_empty()) {
@@ -1774,7 +1756,7 @@
       GV->setConstant(true);
 
       // Clean up any obviously simplifiable users now.
-      CleanupConstantGlobalUsers(GV, GV->getInitializer(), GV->getContext());
+      CleanupConstantGlobalUsers(GV, GV->getInitializer());
 
       // If the global is dead now, just nuke it.
       if (GV->use_empty()) {
@@ -1788,8 +1770,7 @@
       return true;
     } else if (!GV->getInitializer()->getType()->isSingleValueType()) {
       if (TargetData *TD = getAnalysisIfAvailable<TargetData>())
-        if (GlobalVariable *FirstNewGV = SRAGlobal(GV, *TD,
-                                                   GV->getContext())) {
+        if (GlobalVariable *FirstNewGV = SRAGlobal(GV, *TD)) {
           GVI = FirstNewGV;  // Don't skip the newly produced globals!
           return true;
         }
@@ -1804,8 +1785,7 @@
           GV->setInitializer(SOVConstant);
 
           // Clean up any obviously simplifiable users now.
-          CleanupConstantGlobalUsers(GV, GV->getInitializer(), 
-                                     GV->getContext());
+          CleanupConstantGlobalUsers(GV, GV->getInitializer());
 
           if (GV->use_empty()) {
             DEBUG(errs() << "   *** Substituting initializer allowed us to "
@@ -1822,14 +1802,13 @@
       // Try to optimize globals based on the knowledge that only one value
       // (besides its initializer) is ever stored to the global.
       if (OptimizeOnceStoredGlobal(GV, GS.StoredOnceValue, GVI,
-                                   getAnalysisIfAvailable<TargetData>(),
-                                   GV->getContext()))
+                                   getAnalysisIfAvailable<TargetData>()))
         return true;
 
       // Otherwise, if the global was not a boolean, we can shrink it to be a
       // boolean.
       if (Constant *SOVConstant = dyn_cast<Constant>(GS.StoredOnceValue))
-        if (TryToShrinkGlobalToBoolean(GV, SOVConstant, GV->getContext())) {
+        if (TryToShrinkGlobalToBoolean(GV, SOVConstant)) {
           ++NumShrunkToBool;
           return true;
         }
@@ -1981,11 +1960,10 @@
 /// InstallGlobalCtors - Given a specified llvm.global_ctors list, install the
 /// specified array, returning the new global to use.
 static GlobalVariable *InstallGlobalCtors(GlobalVariable *GCL, 
-                                          const std::vector<Function*> &Ctors,
-                                          LLVMContext &Context) {
+                                          const std::vector<Function*> &Ctors) {
   // If we made a change, reassemble the initializer list.
   std::vector<Constant*> CSVals;
-  CSVals.push_back(ConstantInt::get(Type::getInt32Ty(Context), 65535));
+  CSVals.push_back(ConstantInt::get(Type::getInt32Ty(GCL->getContext()),65535));
   CSVals.push_back(0);
   
   // Create the new init list.
@@ -1994,12 +1972,14 @@
     if (Ctors[i]) {
       CSVals[1] = Ctors[i];
     } else {
-      const Type *FTy = FunctionType::get(Type::getVoidTy(Context), false);
+      const Type *FTy = FunctionType::get(Type::getVoidTy(GCL->getContext()),
+                                          false);
       const PointerType *PFTy = PointerType::getUnqual(FTy);
       CSVals[1] = Constant::getNullValue(PFTy);
-      CSVals[0] = ConstantInt::get(Type::getInt32Ty(Context), 2147483647);
+      CSVals[0] = ConstantInt::get(Type::getInt32Ty(GCL->getContext()),
+                                   2147483647);
     }
-    CAList.push_back(ConstantStruct::get(Context, CSVals, false));
+    CAList.push_back(ConstantStruct::get(GCL->getContext(), CSVals, false));
   }
   
   // Create the array initializer.
@@ -2015,8 +1995,7 @@
   }
   
   // Create the new global and insert it next to the existing list.
-  GlobalVariable *NGV = new GlobalVariable(Context, CA->getType(), 
-                                           GCL->isConstant(),
+  GlobalVariable *NGV = new GlobalVariable(CA->getType(), GCL->isConstant(),
                                            GCL->getLinkage(), CA, "",
                                            GCL->isThreadLocal());
   GCL->getParent()->getGlobalList().insert(GCL, NGV);
@@ -2050,7 +2029,7 @@
 /// enough for us to understand.  In particular, if it is a cast of something,
 /// we punt.  We basically just support direct accesses to globals and GEP's of
 /// globals.  This should be kept up to date with CommitValueTo.
-static bool isSimpleEnoughPointerToCommit(Constant *C, LLVMContext &Context) {
+static bool isSimpleEnoughPointerToCommit(Constant *C) {
   // Conservatively, avoid aggregate types. This is because we don't
   // want to worry about them partially overlapping other stores.
   if (!cast<PointerType>(C->getType())->getElementType()->isSingleValueType())
@@ -2090,8 +2069,7 @@
 /// initializer.  This returns 'Init' modified to reflect 'Val' stored into it.
 /// At this point, the GEP operands of Addr [0, OpNo) have been stepped into.
 static Constant *EvaluateStoreInto(Constant *Init, Constant *Val,
-                                   ConstantExpr *Addr, unsigned OpNo,
-                                   LLVMContext &Context) {
+                                   ConstantExpr *Addr, unsigned OpNo) {
   // Base case of the recursion.
   if (OpNo == Addr->getNumOperands()) {
     assert(Val->getType() == Init->getType() && "Type mismatch!");
@@ -2120,10 +2098,11 @@
     ConstantInt *CU = cast<ConstantInt>(Addr->getOperand(OpNo));
     unsigned Idx = CU->getZExtValue();
     assert(Idx < STy->getNumElements() && "Struct index out of range!");
-    Elts[Idx] = EvaluateStoreInto(Elts[Idx], Val, Addr, OpNo+1, Context);
+    Elts[Idx] = EvaluateStoreInto(Elts[Idx], Val, Addr, OpNo+1);
     
     // Return the modified struct.
-    return ConstantStruct::get(Context, &Elts[0], Elts.size(), STy->isPacked());
+    return ConstantStruct::get(Init->getContext(), &Elts[0], Elts.size(),
+                               STy->isPacked());
   } else {
     ConstantInt *CI = cast<ConstantInt>(Addr->getOperand(OpNo));
     const ArrayType *ATy = cast<ArrayType>(Init->getType());
@@ -2146,15 +2125,14 @@
     
     assert(CI->getZExtValue() < ATy->getNumElements());
     Elts[CI->getZExtValue()] =
-      EvaluateStoreInto(Elts[CI->getZExtValue()], Val, Addr, OpNo+1, Context);
+      EvaluateStoreInto(Elts[CI->getZExtValue()], Val, Addr, OpNo+1);
     return ConstantArray::get(ATy, Elts);
   }    
 }
 
 /// CommitValueTo - We have decided that Addr (which satisfies the predicate
 /// isSimpleEnoughPointerToCommit) should get Val as its value.  Make it happen.
-static void CommitValueTo(Constant *Val, Constant *Addr,
-                          LLVMContext &Context) {
+static void CommitValueTo(Constant *Val, Constant *Addr) {
   if (GlobalVariable *GV = dyn_cast<GlobalVariable>(Addr)) {
     assert(GV->hasInitializer());
     GV->setInitializer(Val);
@@ -2165,7 +2143,7 @@
   GlobalVariable *GV = cast<GlobalVariable>(CE->getOperand(0));
   
   Constant *Init = GV->getInitializer();
-  Init = EvaluateStoreInto(Init, Val, CE, 2, Context);
+  Init = EvaluateStoreInto(Init, Val, CE, 2);
   GV->setInitializer(Init);
 }
 
@@ -2173,8 +2151,7 @@
 /// P after the stores reflected by 'memory' have been performed.  If we can't
 /// decide, return null.
 static Constant *ComputeLoadResult(Constant *P,
-                                const DenseMap<Constant*, Constant*> &Memory,
-                                LLVMContext &Context) {
+                                const DenseMap<Constant*, Constant*> &Memory) {
   // If this memory location has been recently stored, use the stored value: it
   // is the most up-to-date.
   DenseMap<Constant*, Constant*>::const_iterator I = Memory.find(P);
@@ -2212,8 +2189,6 @@
   if (std::find(CallStack.begin(), CallStack.end(), F) != CallStack.end())
     return false;
   
-  LLVMContext &Context = F->getContext();
-  
   CallStack.push_back(F);
   
   /// Values - As we compute SSA register values, we store their contents here.
@@ -2240,7 +2215,7 @@
     if (StoreInst *SI = dyn_cast<StoreInst>(CurInst)) {
       if (SI->isVolatile()) return false;  // no volatile accesses.
       Constant *Ptr = getVal(Values, SI->getOperand(1));
-      if (!isSimpleEnoughPointerToCommit(Ptr, Context))
+      if (!isSimpleEnoughPointerToCommit(Ptr))
         // If this is too complex for us to commit, reject it.
         return false;
       Constant *Val = getVal(Values, SI->getOperand(0));
@@ -2274,12 +2249,12 @@
     } else if (LoadInst *LI = dyn_cast<LoadInst>(CurInst)) {
       if (LI->isVolatile()) return false;  // no volatile accesses.
       InstResult = ComputeLoadResult(getVal(Values, LI->getOperand(0)),
-                                     MutatedMemory, Context);
+                                     MutatedMemory);
       if (InstResult == 0) return false; // Could not evaluate load.
     } else if (AllocaInst *AI = dyn_cast<AllocaInst>(CurInst)) {
       if (AI->isArrayAllocation()) return false;  // Cannot handle array allocs.
       const Type *Ty = AI->getType()->getElementType();
-      AllocaTmps.push_back(new GlobalVariable(Context, Ty, false,
+      AllocaTmps.push_back(new GlobalVariable(Ty, false,
                                               GlobalValue::InternalLinkage,
                                               UndefValue::get(Ty),
                                               AI->getName()));
@@ -2417,7 +2392,7 @@
           << " stores.\n");
     for (DenseMap<Constant*, Constant*>::iterator I = MutatedMemory.begin(),
          E = MutatedMemory.end(); I != E; ++I)
-      CommitValueTo(I->second, I->first, F->getContext());
+      CommitValueTo(I->second, I->first);
   }
   
   // At this point, we are done interpreting.  If we created any 'alloca'
@@ -2474,7 +2449,7 @@
   
   if (!MadeChange) return false;
   
-  GCL = InstallGlobalCtors(GCL, Ctors, GCL->getContext());
+  GCL = InstallGlobalCtors(GCL, Ctors);
   return true;
 }
 

Modified: llvm/trunk/lib/Transforms/Scalar/ConstantProp.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/ConstantProp.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/ConstantProp.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/ConstantProp.cpp Thu Nov  5 22:27:31 2009
@@ -66,7 +66,7 @@
     WorkList.erase(WorkList.begin());    // Get an element from the worklist...
 
     if (!I->use_empty())                 // Don't muck with dead instructions...
-      if (Constant *C = ConstantFoldInstruction(I, F.getContext())) {
+      if (Constant *C = ConstantFoldInstruction(I)) {
         // Add all of the users of this instruction to the worklist, they might
         // be constant propagatable now...
         for (Value::use_iterator UI = I->use_begin(), UE = I->use_end();

Modified: llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp Thu Nov  5 22:27:31 2009
@@ -12824,7 +12824,7 @@
       
       // ConstantProp instruction if trivially constant.
       if (!Inst->use_empty() && isa<Constant>(Inst->getOperand(0)))
-        if (Constant *C = ConstantFoldInstruction(Inst, BB->getContext(), TD)) {
+        if (Constant *C = ConstantFoldInstruction(Inst, TD)) {
           DEBUG(errs() << "IC: ConstFold to: " << *C << " from: "
                        << *Inst << '\n');
           Inst->replaceAllUsesWith(C);
@@ -12846,8 +12846,7 @@
           if (!FoldedConstants.insert(CE))
             continue;
           
-          Constant *NewC =
-            ConstantFoldConstantExpression(CE, BB->getContext(), TD);
+          Constant *NewC = ConstantFoldConstantExpression(CE, TD);
           if (NewC && NewC != CE) {
             *i = NewC;
             MadeIRChange = true;
@@ -12954,7 +12953,7 @@
 
     // Instruction isn't dead, see if we can constant propagate it.
     if (!I->use_empty() && isa<Constant>(I->getOperand(0)))
-      if (Constant *C = ConstantFoldInstruction(I, F.getContext(), TD)) {
+      if (Constant *C = ConstantFoldInstruction(I, TD)) {
         DEBUG(errs() << "IC: ConstFold to: " << *C << " from: " << *I << '\n');
 
         // Add operands to the worklist.

Modified: llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp Thu Nov  5 22:27:31 2009
@@ -1044,7 +1044,7 @@
   BI = NewBB->begin();
   for (BasicBlock::iterator E = NewBB->end(); BI != E; ) {
     Instruction *Inst = BI++;
-    if (Constant *C = ConstantFoldInstruction(Inst, BB->getContext(), TD)) {
+    if (Constant *C = ConstantFoldInstruction(Inst, TD)) {
       Inst->replaceAllUsesWith(C);
       Inst->eraseFromParent();
       continue;

Modified: llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp Thu Nov  5 22:27:31 2009
@@ -32,7 +32,6 @@
 #include "llvm/DerivedTypes.h"
 #include "llvm/Function.h"
 #include "llvm/Instructions.h"
-#include "llvm/LLVMContext.h"
 #include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/Analysis/InlineCost.h"
 #include "llvm/Analysis/LoopInfo.h"
@@ -961,7 +960,7 @@
     Worklist.pop_back();
     
     // Simple constant folding.
-    if (Constant *C = ConstantFoldInstruction(I, I->getContext())) {
+    if (Constant *C = ConstantFoldInstruction(I)) {
       ReplaceUsesOfWith(I, C, Worklist, L, LPM);
       continue;
     }

Modified: llvm/trunk/lib/Transforms/Scalar/TailDuplication.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/TailDuplication.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/TailDuplication.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/TailDuplication.cpp Thu Nov  5 22:27:31 2009
@@ -359,8 +359,7 @@
       Instruction *Inst = BI++;
       if (isInstructionTriviallyDead(Inst))
         Inst->eraseFromParent();
-      else if (Constant *C = ConstantFoldInstruction(Inst,
-                                                     Inst->getContext())) {
+      else if (Constant *C = ConstantFoldInstruction(Inst)) {
         Inst->replaceAllUsesWith(C);
         Inst->eraseFromParent();
       }

Modified: llvm/trunk/lib/Transforms/Utils/CloneFunction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/CloneFunction.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Utils/CloneFunction.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/CloneFunction.cpp Thu Nov  5 22:27:31 2009
@@ -322,8 +322,6 @@
 /// mapping its operands through ValueMap if they are available.
 Constant *PruningFunctionCloner::
 ConstantFoldMappedInstruction(const Instruction *I) {
-  LLVMContext &Context = I->getContext();
-  
   SmallVector<Constant*, 8> Ops;
   for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
     if (Constant *Op = dyn_cast_or_null<Constant>(MapValue(I->getOperand(i),
@@ -334,8 +332,7 @@
 
   if (const CmpInst *CI = dyn_cast<CmpInst>(I))
     return ConstantFoldCompareInstOperands(CI->getPredicate(),
-                                           &Ops[0], Ops.size(), 
-                                           Context, TD);
+                                           &Ops[0], Ops.size(), TD);
 
   if (const LoadInst *LI = dyn_cast<LoadInst>(I))
     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ops[0]))
@@ -346,7 +343,7 @@
                                                           CE);
 
   return ConstantFoldInstOperands(I->getOpcode(), I->getType(), &Ops[0],
-                                  Ops.size(), Context, TD);
+                                  Ops.size(), TD);
 }
 
 /// CloneAndPruneFunctionInto - This works exactly like CloneFunctionInto,

Modified: llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp Thu Nov  5 22:27:31 2009
@@ -362,8 +362,7 @@
 
       if (isInstructionTriviallyDead(Inst))
         (*BB)->getInstList().erase(Inst);
-      else if (Constant *C = ConstantFoldInstruction(Inst, 
-                                                     Header->getContext())) {
+      else if (Constant *C = ConstantFoldInstruction(Inst)) {
         Inst->replaceAllUsesWith(C);
         (*BB)->getInstList().erase(Inst);
       }

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp Thu Nov  5 22:27:31 2009
@@ -1217,7 +1217,7 @@
           }
           
           // Check for trivial simplification.
-          if (Constant *C = ConstantFoldInstruction(N, BB->getContext())) {
+          if (Constant *C = ConstantFoldInstruction(N)) {
             TranslateMap[BBI] = C;
             delete N;   // Constant folded away, don't need actual inst
           } else {

Modified: llvm/trunk/lib/VMCore/Globals.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Globals.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Globals.cpp (original)
+++ llvm/trunk/lib/VMCore/Globals.cpp Thu Nov  5 22:27:31 2009
@@ -16,7 +16,6 @@
 #include "llvm/GlobalVariable.h"
 #include "llvm/GlobalAlias.h"
 #include "llvm/DerivedTypes.h"
-#include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -95,8 +94,7 @@
 // GlobalVariable Implementation
 //===----------------------------------------------------------------------===//
 
-GlobalVariable::GlobalVariable(LLVMContext &Context, const Type *Ty,
-                               bool constant, LinkageTypes Link,
+GlobalVariable::GlobalVariable(const Type *Ty, bool constant, LinkageTypes Link,
                                Constant *InitVal, const Twine &Name,
                                bool ThreadLocal, unsigned AddressSpace)
   : GlobalValue(PointerType::get(Ty, AddressSpace), 

Modified: llvm/trunk/lib/VMCore/Module.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Module.cpp?rev=86231&r1=86230&r2=86231&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Module.cpp (original)
+++ llvm/trunk/lib/VMCore/Module.cpp Thu Nov  5 22:27:31 2009
@@ -31,8 +31,7 @@
 //
 
 GlobalVariable *ilist_traits<GlobalVariable>::createSentinel() {
-  GlobalVariable *Ret = new GlobalVariable(getGlobalContext(), 
-                                           Type::getInt32Ty(getGlobalContext()),
+  GlobalVariable *Ret = new GlobalVariable(Type::getInt32Ty(getGlobalContext()),
                                            false, GlobalValue::ExternalLinkage);
   // This should not be garbage monitored.
   LeakDetector::removeGarbageObject(Ret);





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