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Implement a long overdue FIXME, by changing these methods to return void.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15778 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-08-15 22:14:19 +00:00
parent 3cc03be51a
commit da34645b2b
1 changed files with 11 additions and 25 deletions
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36
include/llvm/Target/MRegisterInfo.h
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@ -216,20 +216,6 @@ public:
return regclass_end()-regclass_begin();
}
//===--------------------------------------------------------------------===//
// All basic block modifier functions below return the number of
// instructions added to (negative if removed from) the basic block
// passed as their first argument.
//
// FIXME: This is only needed because we use a std::vector instead
// of an ilist to keep MachineBasicBlock instructions. Inserting an
// instruction to a MachineBasicBlock invalidates all iterators to
// the basic block. The return value can be used to update an index
// to the machine basic block instruction vector and circumvent the
// iterator elimination problem but this is really not needed if we
// move to a better representation.
//
//===--------------------------------------------------------------------===//
// Interfaces used by the register allocator and stack frame
// manipulation passes to move data around between registers,
@ -237,18 +223,18 @@ public:
// instructions added to (negative if removed from) the basic block.
//
virtual int storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned SrcReg, int FrameIndex) const = 0;
virtual int loadRegFromStackSlot(MachineBasicBlock &MBB,
virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIndex) const = 0;
unsigned SrcReg, int FrameIndex) const = 0;
virtual int copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const = 0;
virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIndex) const = 0;
virtual void copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const = 0;
/// foldMemoryOperand - Attempt to fold a load or store of the
@ -260,7 +246,7 @@ public:
virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
unsigned OpNum,
int FrameIndex) const {
return NULL;
return 0;
}
/// getCallFrameSetup/DestroyOpcode - These methods return the opcode of the