From c63995394de60996ebfe52a47cf2e3a0716d7e3c Mon Sep 17 00:00:00 2001
From: Diego Novillo <dnovillo@google.com>
Date: Fri, 24 May 2013 12:26:52 +0000
Subject: Add a new function attribute 'cold' to functions.

Other than recognizing the attribute, the patch does little else.
It changes the branch probability analyzer so that edges into
blocks postdominated by a cold function are given low weight.

Added analysis and code generation tests.  Added documentation for the
new attribute.

llvm-svn: 182638
---
 llvm/test/Feature/cold.ll | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 llvm/test/Feature/cold.ll

(limited to 'llvm/test/Feature')

diff --git a/llvm/test/Feature/cold.ll b/llvm/test/Feature/cold.ll
new file mode 100644
index 00000000000..dcf79c5ba39
--- /dev/null
+++ b/llvm/test/Feature/cold.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+; CHECK: @fun() #0
+define void @fun() #0 {
+  ret void
+}
+
+; CHECK: attributes #0 = { cold }
+attributes #0 = { cold }
-- 
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