Add irgen support for the noinline attribute.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index ae472f0..3d01770 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -339,6 +339,9 @@
 
   if (D->getAttr<AlwaysInlineAttr>())
     F->addFnAttr(llvm::Attribute::AlwaysInline);
+  
+  if (D->getAttr<NoinlineAttr>())
+    F->addFnAttr(llvm::Attribute::NoInline);
 }
 
 void CodeGenModule::SetMethodAttributes(const ObjCMethodDecl *MD,
diff --git a/test/CodeGen/attr-noinline.c b/test/CodeGen/attr-noinline.c
new file mode 100644
index 0000000..5aacf64
--- /dev/null
+++ b/test/CodeGen/attr-noinline.c
@@ -0,0 +1,9 @@
+// RUN: clang -g -emit-llvm -o %t %s &&
+// RUN: grep 'noinline' %t
+
+void t1() __attribute__((noinline));
+
+void t1()
+{
+}
+