1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index e65128813e1..7ad08e0e0a7 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -620,9 +620,10 @@ void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
     B.addAttribute(llvm::Attribute::AlwaysInline);
   }
 
-  // FIXME: Communicate hot and cold attributes to LLVM more directly.
-  if (D->hasAttr<ColdAttr>())
+  if (D->hasAttr<ColdAttr>()) {
     B.addAttribute(llvm::Attribute::OptimizeForSize);
+    B.addAttribute(llvm::Attribute::Cold);
+  }
 
   if (D->hasAttr<MinSizeAttr>())
     B.addAttribute(llvm::Attribute::MinSize);