-//===-- TransformInternals.cpp - Implement shared functions for transforms --=//
+//===- TransformInternals.cpp - Implement shared functions for transforms -===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This file defines shared functions used by the different components of the
// Transforms library.
uint64_t ThisOffset;
const Type *NextType;
if (const StructType *STy = dyn_cast<StructType>(Ty)) {
+ if (STy->getElementTypes().empty()) {
+ Offset = 0;
+ return STy;
+ }
+
ThisOffset = Offset;
NextType = getStructOffsetStep(STy, ThisOffset, Indices, TD);
} else if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
Indices.push_back(ConstantSInt::get(Type::LongTy, Offset/ChildSize));
ThisOffset = (Offset/ChildSize)*ChildSize;
} else {
- Offset = 0; // Return the offset that we were able to acheive
+ Offset = 0; // Return the offset that we were able to achieve
return Ty; // Return the leaf type
}
if (!ElTy->isSized() || (isa<PointerType>(CompTy) && !Indices.empty()))
return 0; // Type is unreasonable... escape!
unsigned ElSize = TD.getTypeSize(ElTy);
+ if (ElSize == 0) return 0; // Avoid division by zero...
int64_t ElSizeS = ElSize;
// See if the user is indexing into a different cell of this array...