No really, you _cannot use_ getelementptr on an unsized type: that makes

no sense.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6595 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index bdeb4e99c6afc05eb06b685ebd0fc9747f3f2c5b..8aa1851a181cf75e49e5a966d6a137922e1f400b 100644 (file)
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -193,12 +193,8 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy,
       Ty = cast<SequentialType>(Ty)->getElementType();
 
       // Get the array index and the size of each array element.
-      // The size must be a known value, except if arrayIdx is 0.
-      // In particular, don't try to get the type size if the arrayIdx is 0:
-      // 0 index into an unsized type is legal and should be allowed.
       int64_t arrayIdx = cast<ConstantSInt>(Idx[CurIDX])->getValue();
-      Result += arrayIdx == 0? 0
-                             : arrayIdx * (int64_t)getTypeSize(Ty);
+      Result += arrayIdx * (int64_t)getTypeSize(Ty);
     } else {
       const StructType *STy = cast<StructType>(Ty);
       assert(Idx[CurIDX]->getType() == Type::UByteTy && "Illegal struct idx");