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Change TargetData::getIndexedOffset interface to not require indices

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in a vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34153 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-10 19:33:15 +00:00
parent e463fc8098
commit ddce8d21ea
2 changed files with 14 additions and 9 deletions
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7
include/llvm/Target/TargetData.h
View File

@ -247,7 +247,12 @@ public:
/// specified indices. This is used to implement getelementptr.
///
uint64_t getIndexedOffset(const Type *Ty,
const std::vector<Value*> &Indices) const;
Value* const* Indices, unsigned NumIndices) const;
uint64_t getIndexedOffset(const Type *Ty,
const std::vector<Value*> &Indices) const {
return getIndexedOffset(Ty, &Indices[0], Indices.size());
}
/// getStructLayout - Return a StructLayout object, indicating the alignment
/// of the struct, its size, and the offsets of its fields. Note that this

16
lib/Target/TargetData.cpp
View File

@ -452,18 +452,18 @@ const Type *TargetData::getIntPtrType() const {
}
uint64_t TargetData::getIndexedOffset(const Type *ptrTy,
const std::vector<Value*> &Idx) const {
uint64_t TargetData::getIndexedOffset(const Type *ptrTy, Value* const* Indices,
unsigned NumIndices) const {
const Type *Ty = ptrTy;
assert(isa<PointerType>(Ty) && "Illegal argument for getIndexedOffset()");
uint64_t Result = 0;
generic_gep_type_iterator<std::vector<Value*>::const_iterator>
TI = gep_type_begin(ptrTy, Idx.begin(), Idx.end());
for (unsigned CurIDX = 0; CurIDX != Idx.size(); ++CurIDX, ++TI) {
generic_gep_type_iterator<Value* const*>
TI = gep_type_begin(ptrTy, Indices, Indices+NumIndices);
for (unsigned CurIDX = 0; CurIDX != NumIndices; ++CurIDX, ++TI) {
if (const StructType *STy = dyn_cast<StructType>(*TI)) {
assert(Idx[CurIDX]->getType() == Type::Int32Ty && "Illegal struct idx");
unsigned FieldNo = cast<ConstantInt>(Idx[CurIDX])->getZExtValue();
assert(Indices[CurIDX]->getType() == Type::Int32Ty &&"Illegal struct idx");
unsigned FieldNo = cast<ConstantInt>(Indices[CurIDX])->getZExtValue();
// Get structure layout information...
const StructLayout *Layout = getStructLayout(STy);
@ -479,7 +479,7 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy,
Ty = cast<SequentialType>(Ty)->getElementType();
// Get the array index and the size of each array element.
int64_t arrayIdx = cast<ConstantInt>(Idx[CurIDX])->getSExtValue();
int64_t arrayIdx = cast<ConstantInt>(Indices[CurIDX])->getSExtValue();
Result += arrayIdx * (int64_t)getTypeSize(Ty);
}
}