//===----------------------------------------------------------------------===//
#include "llvm/iMemory.h"
-#include "llvm/ConstPoolVals.h"
//===----------------------------------------------------------------------===//
// MemAccessInst Implementation
// pointer type.
//
const Type* MemAccessInst::getIndexedType(const Type *Ptr,
- const vector<ConstPoolVal*> &Idx,
- bool AllowStructLeaf = false) {
+ const vector<Value*> &Idx,
+ bool AllowCompositeLeaf = false) {
if (!Ptr->isPointerType()) return 0; // Type isn't a pointer type!
// Get the type pointed to...
- Ptr = ((const PointerType*)Ptr)->getValueType();
+ Ptr = cast<PointerType>(Ptr)->getElementType();
- if (Ptr->isStructType()) {
- unsigned CurIDX = 0;
- while (Ptr->isStructType()) {
- if (Idx.size() == CurIDX)
- return AllowStructLeaf ? Ptr : 0; // Can't load a whole structure!?!?
- if (Idx[CurIDX]->getType() != Type::UByteTy) return 0; // Illegal idx
- unsigned NextIdx = ((ConstPoolUInt*)Idx[CurIDX++])->getValue();
-
- const StructType *ST = (const StructType *)Ptr;
- Ptr = ST->getElementTypes()[NextIdx];
- }
- return Ptr;
- } else if (Ptr->isArrayType()) {
- assert(0 && "Loading from arrays not implemented yet!");
- } else {
- return (Idx.size() == 0) ? Ptr : 0; // Load directly through ptr
+ unsigned CurIDX = 0;
+ while (const CompositeType *ST = dyn_cast<CompositeType>(Ptr)) {
+ if (Idx.size() == CurIDX)
+ return AllowCompositeLeaf ? Ptr : 0; // Can't load a whole structure!?!?
+
+ Value *Index = Idx[CurIDX++];
+ if (!ST->indexValid(Index)) return 0;
+ Ptr = ST->getTypeAtIndex(Index);
}
+ return CurIDX == Idx.size() ? Ptr : 0;
}
-unsigned int
-MemAccessInst::getIndexedOfsetForTarget(const Type *Ptr,
- const vector<ConstPoolVal*> &Idx,
- const TargetMachine& targetMachine)
-{
- if (!Ptr->isPointerType())
- return 0; // Type isn't a pointer type!
-
- unsigned int curOffset = 0;
-
- // Get the type pointed to...
- Ptr = ((const PointerType*) Ptr)->getValueType();
-
- if (Ptr->isStructType()) {
- unsigned CurIDX = 0; // which element of Idx vector
- while (Ptr->isStructType()) {
- const StructType * SPtr = (StructType *) Ptr;
-
- if (Idx.size() == CurIDX)
- break;
-
- assert (Idx[CurIDX]->getType() == Type::UByteTy && "Illegal struct idx");
- unsigned NextIdx = ((ConstPoolUInt*)Idx[CurIDX++])->getValue();
-
- // add the offset for the current element
- curOffset += SPtr->getElementOffset(NextIdx, targetMachine);
-
- // and update Ptr to refer to current element
- Ptr = SPtr->getElementTypes()[NextIdx];
- }
- return curOffset;
- } else if (Ptr->isArrayType()) {
- assert(0 && "Loading from arrays not implemented yet!");
- } else {
- assert (Idx.size() == 0 && "Indexing type that is not struct or array?");
- return 0; // Load directly through ptr
- }
+
+#if 1
+#include "llvm/ConstantVals.h"
+const vector<Constant*> MemAccessInst::getIndicesBROKEN() const {
+ cerr << "MemAccessInst::getIndices() does not do what you want it to. Talk"
+ << " to Chris about this. We can phase it out after the paper.\n";
+
+ vector<Constant*> RetVal;
+
+ // THIS CODE WILL FAIL IF A NON CONSTANT INDEX IS USED AS AN ARRAY INDEX
+ // THIS IS WHY YOU SHOULD NOT USE THIS FUNCTION ANY MORE!!!
+ for (unsigned i = getFirstIndexOperandNumber(); i < getNumOperands(); ++i)
+ RetVal.push_back(cast<Constant>(getOperand(i)));
+
+ return RetVal;
}
-
+#endif
//===----------------------------------------------------------------------===//
// LoadInst Implementation
//===----------------------------------------------------------------------===//
-LoadInst::LoadInst(Value *Ptr, const vector<ConstPoolVal*> &Idx,
+LoadInst::LoadInst(Value *Ptr, const vector<Value*> &Idx,
const string &Name = "")
- : MemAccessInst(getIndexedType(Ptr->getType(), Idx), Load, Idx, Name) {
+ : MemAccessInst(getIndexedType(Ptr->getType(), Idx), Load, Name) {
assert(getIndexedType(Ptr->getType(), Idx) && "Load operands invalid!");
Operands.reserve(1+Idx.size());
Operands.push_back(Use(Ptr, this));
}
+LoadInst::LoadInst(Value *Ptr, const string &Name = "")
+ : MemAccessInst(cast<PointerType>(Ptr->getType())->getElementType(),
+ Load, Name) {
+ Operands.reserve(1);
+ Operands.push_back(Use(Ptr, this));
+}
+
//===----------------------------------------------------------------------===//
// StoreInst Implementation
//===----------------------------------------------------------------------===//
-StoreInst::StoreInst(Value *Val, Value *Ptr, const vector<ConstPoolVal*> &Idx,
+StoreInst::StoreInst(Value *Val, Value *Ptr, const vector<Value*> &Idx,
const string &Name = "")
- : MemAccessInst(Type::VoidTy, Store, Idx, Name) {
+ : MemAccessInst(Type::VoidTy, Store, Name) {
assert(getIndexedType(Ptr->getType(), Idx) && "Store operands invalid!");
Operands.reserve(2+Idx.size());
Operands.push_back(Use(Idx[i], this));
}
+StoreInst::StoreInst(Value *Val, Value *Ptr, const string &Name = "")
+ : MemAccessInst(Type::VoidTy, Store, Name) {
+
+ Operands.reserve(2);
+ Operands.push_back(Use(Val, this));
+ Operands.push_back(Use(Ptr, this));
+}
+
//===----------------------------------------------------------------------===//
// GetElementPtrInst Implementation
//===----------------------------------------------------------------------===//
-GetElementPtrInst::GetElementPtrInst(Value *Ptr,
- const vector<ConstPoolVal*> &Idx,
+GetElementPtrInst::GetElementPtrInst(Value *Ptr, const vector<Value*> &Idx,
const string &Name = "")
- : MemAccessInst(PointerType::getPointerType(getIndexedType(Ptr->getType(),
- Idx, true)),
- GetElementPtr, Idx, Name) {
+ : MemAccessInst(PointerType::get(getIndexedType(Ptr->getType(), Idx, true)),
+ GetElementPtr, Name) {
assert(getIndexedType(Ptr->getType(), Idx, true) && "gep operands invalid!");
Operands.reserve(1+Idx.size());
Operands.push_back(Use(Ptr, this));
}
bool GetElementPtrInst::isStructSelector() const {
- return ((PointerType*)Operands[0]->getType())->getValueType()->isStructType();
+ return ((PointerType*)Operands[0]->getType())->getElementType()->isStructType();
}