Add an atomic lowering pass

[oota-llvm.git] / lib / Target / TargetSubtarget.cpp

diff --git a/lib/Target/TargetSubtarget.cpp b/lib/Target/TargetSubtarget.cpp
index a8bb9b968267cc9c0db784f775ff67c409040b38..edb76f971533202a9ad815fde7df3105a00cf4b2 100644 (file)
--- a/lib/Target/TargetSubtarget.cpp
+++ b/lib/Target/TargetSubtarget.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Nate Begeman and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Target/TargetSubtarget.h"
+#include "llvm/ADT/SmallVector.h"
 using namespace llvm;
 
 //---------------------------------------------------------------------------
@@ -20,3 +21,13 @@ using namespace llvm;
 TargetSubtarget::TargetSubtarget() {}
 
 TargetSubtarget::~TargetSubtarget() {}
+
+bool TargetSubtarget::enablePostRAScheduler(
+          CodeGenOpt::Level OptLevel,
+          AntiDepBreakMode& Mode,
+          RegClassVector& CriticalPathRCs) const {
+  Mode = ANTIDEP_NONE;
+  CriticalPathRCs.clear();
+  return false;
+}
+