diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Analysis/DataStructure/DataStructure.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/DataStructure/DataStructure.cpp b/llvm/lib/Analysis/DataStructure/DataStructure.cpp index a73a942fc7e..a94e083da3f 100644 --- a/llvm/lib/Analysis/DataStructure/DataStructure.cpp +++ b/llvm/lib/Analysis/DataStructure/DataStructure.cpp @@ -2075,6 +2075,8 @@ void DSGraph::computeNodeMapping(const DSNodeHandle &NH1, // mapping the edges together now. int N2Idx = NH2.getOffset()-NH1.getOffset(); unsigned N2Size = N2->getSize(); + if (N2Size == 0) return; // No edges to map to. + for (unsigned i = 0, e = N1->getSize(); i < e; i += DS::PointerSize) if (unsigned(N2Idx)+i < N2Size) computeNodeMapping(N1->getLink(i), N2->getLink(N2Idx+i), NodeMap); |
