diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 8e599aef7f..af3188895e 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -1017,11 +1017,13 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) { else ++NumFastIselBlocks; - // Run SelectionDAG instruction selection on the remainder of the block - // not handled by FastISel. If FastISel is not run, this is the entire - // block. - bool HadTailCall; - SelectBasicBlock(Begin, BI, HadTailCall); + if (Begin != BI) { + // Run SelectionDAG instruction selection on the remainder of the block + // not handled by FastISel. If FastISel is not run, this is the entire + // block. + bool HadTailCall; + SelectBasicBlock(Begin, BI, HadTailCall); + } FinishBasicBlock(); FuncInfo->PHINodesToUpdate.clear(); |