From 5c332dbd30d9398ed25b30c3080506f7b8e92290 Mon Sep 17 00:00:00 2001
From: Dmitri Gribenko <gribozavr@gmail.com>
Date: Sun, 5 May 2013 00:40:33 +0000
Subject: Add ArrayRef constructor from None, and do the cleanups that this
 constructor enables

Patch by Robert Wilhelm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181138 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/MachineTraceMetrics.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'include/llvm/CodeGen/MachineTraceMetrics.h')

diff --git a/include/llvm/CodeGen/MachineTraceMetrics.h b/include/llvm/CodeGen/MachineTraceMetrics.h
index 4e087fc..9794707 100644
--- a/include/llvm/CodeGen/MachineTraceMetrics.h
+++ b/include/llvm/CodeGen/MachineTraceMetrics.h
@@ -263,10 +263,9 @@ public:
     /// trace. Likewise, extra resources required by the specified scheduling
     /// classes are included. For the caller to account for extra machine
     /// instructions, it must first resolve each instruction's scheduling class.
-    unsigned getResourceLength(ArrayRef<const MachineBasicBlock*> Extrablocks =
-                               ArrayRef<const MachineBasicBlock*>(),
-                               ArrayRef<const MCSchedClassDesc*> ExtraInstrs =
-                               ArrayRef<const MCSchedClassDesc*>()) const;
+    unsigned getResourceLength(
+                ArrayRef<const MachineBasicBlock*> Extrablocks = None,
+                ArrayRef<const MCSchedClassDesc*> ExtraInstrs = None) const;
 
     /// Return the length of the (data dependency) critical path through the
     /// trace.
-- 
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