1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/IR/Value.cpp b/llvm/lib/IR/Value.cpp
index be704a778a8..a1dfb37bf90 100644
--- a/llvm/lib/IR/Value.cpp
+++ b/llvm/lib/IR/Value.cpp
@@ -664,6 +664,16 @@ void Value::reverseUseList() {
   Head->setPrev(&UseList);
 }
 
+bool Value::isSwiftError() const {
+  auto *Arg = dyn_cast<Argument>(this);
+  if (Arg)
+    return Arg->hasSwiftErrorAttr();
+  auto *Alloca = dyn_cast<AllocaInst>(this);
+  if (!Alloca)
+    return false;
+  return Alloca->isSwiftError();
+}
+
 //===----------------------------------------------------------------------===//
 //                             ValueHandleBase Class
 //===----------------------------------------------------------------------===//