From 009b1c42aa6266385f2c37e227516b24077e6dd7 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 2 Jun 2009 17:52:33 +0000
Subject: Import LLVM, at r72732.

---
 lib/CodeGen/Spiller.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 lib/CodeGen/Spiller.h

(limited to 'lib/CodeGen/Spiller.h')

diff --git a/lib/CodeGen/Spiller.h b/lib/CodeGen/Spiller.h
new file mode 100644
index 0000000000000..cad054d744c4a
--- /dev/null
+++ b/lib/CodeGen/Spiller.h
@@ -0,0 +1,37 @@
+//===-- llvm/CodeGen/Spiller.h - Spiller -*- C++ -*------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_SPILLER_H
+#define LLVM_CODEGEN_SPILLER_H
+
+#include <vector>
+
+namespace llvm {
+  class LiveInterval;
+  class LiveIntervals;
+  class LiveStacks;
+  class MachineFunction;
+  class VirtRegMap;
+
+  /// Spiller interface.
+  ///
+  /// Implementations are utility classes which insert spill or remat code on
+  /// demand.
+  class Spiller {
+  public:
+    virtual ~Spiller() = 0;
+    virtual std::vector<LiveInterval*> spill(LiveInterval *li) = 0;
+  };
+
+  /// Create and return a spiller object, as specified on the command line.
+  Spiller* createSpiller(MachineFunction *mf, LiveIntervals *li,
+                         LiveStacks *ls, VirtRegMap *vrm);
+}
+
+#endif
-- 
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