1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index b87bba7..c038f7e 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -6255,6 +6255,10 @@ bool llvm::isIntrinsicReturningPointerAliasingArgumentWithoutCapturing(
     return true;
   case Intrinsic::ptrmask:
     return !MustPreserveNullness;
+  case Intrinsic::threadlocal_address:
+    // The underlying variable changes with thread ID. The Thread ID may change
+    // at coroutine suspend points.
+    return !Call->getParent()->getParent()->isPresplitCoroutine();
   default:
     return false;
   }