From 70107f989c2e62372b5adc310a95be668b7cb33b Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Mon, 3 Oct 2011 14:59:42 +0000
Subject: Propagate __attribute__((returns_twice)) from C to IL.

llvm-svn: 141002
---
 clang/lib/CodeGen/CGCall.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/lib/CodeGen')

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index eb0dcf3bef9..f52abef3306 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -740,6 +740,9 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
     if (TargetDecl->hasAttr<NoReturnAttr>())
       FuncAttrs |= llvm::Attribute::NoReturn;
 
+    if (TargetDecl->hasAttr<ReturnsTwiceAttr>())
+      FuncAttrs |= llvm::Attribute::ReturnsTwice;
+
     // 'const' and 'pure' attribute functions are also nounwind.
     if (TargetDecl->hasAttr<ConstAttr>()) {
       FuncAttrs |= llvm::Attribute::ReadNone;
-- 
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