1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/IR/Constants.cpp b/llvm/lib/IR/Constants.cpp
index 6fd205c654a8..9f05917cf7cc 100644
--- a/llvm/lib/IR/Constants.cpp
+++ b/llvm/lib/IR/Constants.cpp
@@ -803,6 +803,18 @@ Constant *Constant::mergeUndefsWith(Constant *C, Constant *Other) {
   return C;
 }
 
+bool Constant::isManifestConstant() const {
+  if (isa<ConstantData>(this))
+    return true;
+  if (isa<ConstantAggregate>(this) || isa<ConstantExpr>(this)) {
+    for (const Value *Op : operand_values())
+      if (!cast<Constant>(Op)->isManifestConstant())
+        return false;
+    return true;
+  }
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 //                                ConstantInt
 //===----------------------------------------------------------------------===//