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authorAnton Korobeynikov <asl@math.spbu.ru>2011-01-10 12:39:04 +0000
committerAnton Korobeynikov <asl@math.spbu.ru>2011-01-10 12:39:04 +0000
commit16c29b5f285f375be53dabaa73e3e91107485fe4 (patch)
treedf7ee2e7da3560e6169260f744977299af674494 /lib/Target/MBlaze/MBlazeFrameLowering.h
parentbadbd2fde9b8debd6265e8ece511fb01123d1d5f (diff)
Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/MBlaze/MBlazeFrameLowering.h')
-rw-r--r--lib/Target/MBlaze/MBlazeFrameLowering.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/Target/MBlaze/MBlazeFrameLowering.h b/lib/Target/MBlaze/MBlazeFrameLowering.h
new file mode 100644
index 0000000000..8be15bfb85
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+++ b/lib/Target/MBlaze/MBlazeFrameLowering.h
@@ -0,0 +1,53 @@
+//=- MBlazeFrameLowering.h - Define frame lowering for MicroBlaze -*- C++ -*-=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MBLAZE_FRAMEINFO_H
+#define MBLAZE_FRAMEINFO_H
+
+#include "MBlaze.h"
+#include "MBlazeSubtarget.h"
+#include "llvm/Target/TargetFrameLowering.h"
+
+namespace llvm {
+ class MBlazeSubtarget;
+
+class MBlazeFrameLowering : public TargetFrameLowering {
+protected:
+ const MBlazeSubtarget &STI;
+
+public:
+ explicit MBlazeFrameLowering(const MBlazeSubtarget &sti)
+ : TargetFrameLowering(TargetFrameLowering::StackGrowsUp, 4, 0), STI(sti) {
+ }
+
+ /// targetHandlesStackFrameRounding - Returns true if the target is
+ /// responsible for rounding up the stack frame (probably at emitPrologue
+ /// time).
+ bool targetHandlesStackFrameRounding() const { return true; }
+
+ /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
+ /// the function.
+ void emitPrologue(MachineFunction &MF) const;
+ void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+ bool hasFP(const MachineFunction &MF) const;
+
+ int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
+
+ virtual void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+ RegScavenger *RS) const;
+};
+
+} // End llvm namespace
+
+#endif