From 7c19ab17c722288f47dfc887dec0405814bf304d Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Sat, 22 Feb 2014 16:59:24 +0000
Subject: Exposing the noduplicate attribute within Clang, which marks
 functions so that the optimizer does not duplicate code.

Patch thanks to Marcello Maggioni!

llvm-svn: 201941
---
 clang/lib/CodeGen/CodeGenModule.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'clang/lib/CodeGen/CodeGenModule.cpp')

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index bbf5a730f07..e6798e49a85 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -631,6 +631,8 @@ void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
     // Naked implies noinline: we should not be inlining such functions.
     B.addAttribute(llvm::Attribute::Naked);
     B.addAttribute(llvm::Attribute::NoInline);
+  } else if (D->hasAttr<NoDuplicateAttr>()) {
+    B.addAttribute(llvm::Attribute::NoDuplicate);
   } else if (D->hasAttr<NoInlineAttr>()) {
     B.addAttribute(llvm::Attribute::NoInline);
   } else if ((D->hasAttr<AlwaysInlineAttr>() ||
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