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Constify arguments in isSuccessor and isLayoutSuccessor.

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llvm-svn: 68054
This commit is contained in:
Dan Gohman 2009-03-30 20:06:29 +00:00
parent d85cf9d361
commit abcfb30fc2
2 changed files with 4 additions and 4 deletions
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4
include/llvm/CodeGen/MachineBasicBlock.h
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@ -239,14 +239,14 @@ public:
/// isSuccessor - Return true if the specified MBB is a successor of this
/// block.
bool isSuccessor(MachineBasicBlock *MBB) const;
bool isSuccessor(const MachineBasicBlock *MBB) const;
/// isLayoutSuccessor - Return true if the specified MBB will be emitted
/// immediately after this block, such that if this block exits by
/// falling through, control will transfer to the specified MBB. Note
/// that MBB need not be a successor at all, for example if this block
/// ends with an unconditional branch to some other block.
bool isLayoutSuccessor(MachineBasicBlock *MBB) const;
bool isLayoutSuccessor(const MachineBasicBlock *MBB) const;
/// getFirstTerminator - returns an iterator to the first terminator
/// instruction of this basic block. If a terminator does not exist,

4
lib/CodeGen/MachineBasicBlock.cpp
View File

@ -248,13 +248,13 @@ void MachineBasicBlock::transferSuccessors(MachineBasicBlock *fromMBB)
fromMBB->removeSuccessor(fromMBB->succ_begin());
}
bool MachineBasicBlock::isSuccessor(MachineBasicBlock *MBB) const {
bool MachineBasicBlock::isSuccessor(const MachineBasicBlock *MBB) const {
std::vector<MachineBasicBlock *>::const_iterator I =
std::find(Successors.begin(), Successors.end(), MBB);
return I != Successors.end();
}
bool MachineBasicBlock::isLayoutSuccessor(MachineBasicBlock *MBB) const {
bool MachineBasicBlock::isLayoutSuccessor(const MachineBasicBlock *MBB) const {
MachineFunction::const_iterator I(this);
return next(I) == MachineFunction::const_iterator(MBB);
}