diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 11293e47f64..07dc2384a98 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -4282,6 +4282,9 @@ isInTailCallPosition(CallSite CS, Attributes CalleeRetAttr, --BBI) { if (&*BBI == I) break; + // Debug info intrinsic does not intefer during tail call optimization. + if (isa<DbgInfoIntrinsic>(BBI)) + continue; if (BBI->mayHaveSideEffects() || BBI->mayReadFromMemory() || !BBI->isSafeToSpeculativelyExecute()) return false; |
