1 files changed, 11 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/IR/Globals.cpp b/contrib/llvm-project/llvm/lib/IR/Globals.cpp
index 7bd4503a689e..51bdbeb0abf2 100644
--- a/contrib/llvm-project/llvm/lib/IR/Globals.cpp
+++ b/contrib/llvm-project/llvm/lib/IR/Globals.cpp
@@ -482,6 +482,8 @@ void GlobalVariable::copyAttributesFrom(const GlobalVariable *Src) {
   GlobalObject::copyAttributesFrom(Src);
   setExternallyInitialized(Src->isExternallyInitialized());
   setAttributes(Src->getAttributes());
+  if (auto CM = Src->getCodeModel())
+    setCodeModel(*CM);
 }
 
 void GlobalVariable::dropAllReferences() {
@@ -489,6 +491,15 @@ void GlobalVariable::dropAllReferences() {
   clearMetadata();
 }
 
+void GlobalVariable::setCodeModel(CodeModel::Model CM) {
+  unsigned CodeModelData = static_cast<unsigned>(CM) + 1;
+  unsigned OldData = getGlobalValueSubClassData();
+  unsigned NewData = (OldData & ~(CodeModelMask << CodeModelShift)) |
+                     (CodeModelData << CodeModelShift);
+  setGlobalValueSubClassData(NewData);
+  assert(getCodeModel() == CM && "Code model representation error!");
+}
+
 //===----------------------------------------------------------------------===//
 // GlobalAlias Implementation
 //===----------------------------------------------------------------------===//