better c99 struct handling

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27970 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2006-04-25 19:33:23 +00:00
parent 044edfe019
commit ceeb17d8d8

View File

@ -1122,13 +1122,12 @@ void GraphBuilder::MergeConstantInitIntoNode(DSNodeHandle &NH, Constant *C) {
for (unsigned i = 0, e = CS->getNumOperands(); i != e; ++i) {
DSNode *NHN = NH.getNode();
//Some programmers think ending a structure with a [0 x sbyte] is cute
//This should be ok as the allocation type should grow this type when
//it is merged in if it is bigger.
if (SL->MemberOffsets[i] < SL->StructSize) {
DSNodeHandle NewNH(NHN, NH.getOffset()+(unsigned)SL->MemberOffsets[i]);
MergeConstantInitIntoNode(NewNH, cast<Constant>(CS->getOperand(i)));
} else if (SL->MemberOffsets[i] == SL->StructSize) {
DEBUG(std::cerr << "Zero size element at end of struct\n");
NHN->foldNodeCompletely();
} else {
assert(0 && "type was smaller than offsets of of struct layout indicate");
}