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Eliminate MachineBasicBlock::const_livein_iterator and make

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MachineBasicBlock::livein_iterator a const_iterator, because
clients shouldn't ever be using the iterator interface to
mutate the livein set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101147 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-04-13 16:57:55 +00:00
parent 9e9aa44d1a
commit 81bf03eb5c
8 changed files with 14 additions and 16 deletions
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9
lib/CodeGen/MachineBasicBlock.cpp
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@ -191,7 +191,7 @@ void MachineBasicBlock::print(raw_ostream &OS) const {
const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
if (!livein_empty()) {
OS << " Live Ins:";
for (const_livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
for (livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
OutputReg(OS, *I, TRI);
OS << '\n';
}
@ -218,13 +218,14 @@ void MachineBasicBlock::print(raw_ostream &OS) const {
}
void MachineBasicBlock::removeLiveIn(unsigned Reg) {
livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
assert(I != livein_end() && "Not a live in!");
std::vector<unsigned>::iterator I =
std::find(LiveIns.begin(), LiveIns.end(), Reg);
assert(I != LiveIns.end() && "Not a live in!");
LiveIns.erase(I);
}
bool MachineBasicBlock::isLiveIn(unsigned Reg) const {
const_livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
return I != livein_end();
}