From d2e985fd323c167e20f77b045a1d99ad166e65db Mon Sep 17 00:00:00 2001
From: rdivacky <rdivacky@FreeBSD.org>
Date: Wed, 18 Nov 2009 14:58:34 +0000
Subject: Update LLVM to r89205.
---
lib/Target/X86/X86InstrInfo.h | 35 ++++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
(limited to 'lib/Target/X86/X86InstrInfo.h')
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 6eb07d5..c6daa25 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -449,13 +449,41 @@ public:
unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
unsigned isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const;
+ /// isLoadFromStackSlotPostFE - Check for post-frame ptr elimination
+ /// stack locations as well. This uses a heuristic so it isn't
+ /// reliable for correctness.
+ unsigned isLoadFromStackSlotPostFE(const MachineInstr *MI,
+ int &FrameIndex) const;
+
+ /// hasLoadFromStackSlot - If the specified machine instruction has
+ /// a load from a stack slot, return true along with the FrameIndex
+ /// of the loaded stack slot. If not, return false. Unlike
+ /// isLoadFromStackSlot, this returns true for any instructions that
+ /// loads from the stack. This is a hint only and may not catch all
+ /// cases.
+ bool hasLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const;
+
unsigned isStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const;
+ /// isStoreToStackSlotPostFE - Check for post-frame ptr elimination
+ /// stack locations as well. This uses a heuristic so it isn't
+ /// reliable for correctness.
+ unsigned isStoreToStackSlotPostFE(const MachineInstr *MI,
+ int &FrameIndex) const;
+
+ /// hasStoreToStackSlot - If the specified machine instruction has a
+ /// store to a stack slot, return true along with the FrameIndex of
+ /// the loaded stack slot. If not, return false. Unlike
+ /// isStoreToStackSlot, this returns true for any instructions that
+ /// loads from the stack. This is a hint only and may not catch all
+ /// cases.
+ bool hasStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const;
bool isReallyTriviallyReMaterializable(const MachineInstr *MI,
AliasAnalysis *AA) const;
void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SubIdx,
- const MachineInstr *Orig) const;
+ const MachineInstr *Orig,
+ const TargetRegisterInfo *TRI) const;
/// convertToThreeAddress - This method must be implemented by targets that
/// set the M_CONVERTIBLE_TO_3_ADDR flag. When this flag is set, the target
@@ -610,6 +638,11 @@ private:
unsigned OpNum,
const SmallVectorImpl<MachineOperand> &MOs,
unsigned Size, unsigned Alignment) const;
+
+ /// isFrameOperand - Return true and the FrameIndex if the specified
+ /// operand and follow operands form a reference to the stack frame.
+ bool isFrameOperand(const MachineInstr *MI, unsigned int Op,
+ int &FrameIndex) const;
};
} // End llvm namespace
--
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