diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index bdb2d5e2f1..430cf5c6f5 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -301,8 +301,12 @@ namespace { SDOperand BasePtr; SDOperand Offset; ISD::MemOpAddrMode AM = ISD::UNINDEXED; - if (TLI.getPostIndexedAddressParts(Op, VT, BasePtr, Offset, AM,DAG) && - BasePtr == Ptr) { + if (TLI.getPostIndexedAddressParts(Op, VT, BasePtr, Offset, AM,DAG)) { + if (Ptr == Offset) + std::swap(BasePtr, Offset); + if (Ptr != BasePtr) + continue; + // Try turning it into a post-indexed load / store except when // 1) Op must be independent of N, i.e. Op is neither a predecessor // nor a successor of N. Otherwise, if Op is folded that would |