From 7c99ec5b99f0a25838b9f27c0d3341b9e88d1531 Mon Sep 17 00:00:00 2001
From: Paul Robinson <paul_robinson@playstation.sony.com>
Date: Mon, 31 Mar 2014 17:43:35 +0000
Subject: Disable each MachineFunctionPass for 'optnone' functions, unless that
 pass normally runs at optimization level None, or is part of the register
 allocation pipeline.

llvm-svn: 205228
---
 llvm/lib/CodeGen/TailDuplication.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/CodeGen/TailDuplication.cpp')

diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index 40ce2b6cbba..3b7a04c6831 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -131,6 +131,9 @@ INITIALIZE_PASS(TailDuplicatePass, "tailduplication", "Tail Duplication",
                 false, false)
 
 bool TailDuplicatePass::runOnMachineFunction(MachineFunction &MF) {
+  if (skipOptnoneFunction(*MF.getFunction()))
+    return false;
+
   TII = MF.getTarget().getInstrInfo();
   TRI = MF.getTarget().getRegisterInfo();
   MRI = &MF.getRegInfo();
-- 
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