Add bunch of branch folding stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76055 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.h b/lib/Target/SystemZ/SystemZInstrInfo.h
index 812509a..0634aa9 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.h
+++ b/lib/Target/SystemZ/SystemZInstrInfo.h
@@ -86,10 +86,21 @@
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI) const;
+ bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;
+ virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;
+ virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const;
+ virtual bool AnalyzeBranch(MachineBasicBlock &MBB,
+ MachineBasicBlock *&TBB,
+ MachineBasicBlock *&FBB,
+ SmallVectorImpl<MachineOperand> &Cond,
+ bool AllowModify) const;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond) const;
+ virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
+ SystemZCC::CondCodes getOppositeCondition(SystemZCC::CondCodes CC) const;
+ SystemZCC::CondCodes getCondFromBranchOpc(unsigned Opc) const;
const TargetInstrDesc& getBrCond(SystemZCC::CondCodes CC) const;
const TargetInstrDesc& getLongDispOpc(unsigned Opc) const;
};