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Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>

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This is to be consistent with StringSet and ultimately with the standard
library's associative container insert function.

This lead to updating SmallSet::insert to return pair<iterator, bool>,
and then to update SmallPtrSet::insert to return pair<iterator, bool>,
and then to update all the existing users of those functions...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222334 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-11-19 07:49:26 +00:00
parent 0e8675a621
commit 5401ba7099
107 changed files with 255 additions and 228 deletions
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2
lib/CodeGen/RegAllocFast.cpp
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@ -708,7 +708,7 @@ void RAFast::handleThroughOperands(MachineInstr *MI,
continue;
if (MO.isEarlyClobber() || MI->isRegTiedToDefOperand(i) ||
(MO.getSubReg() && MI->readsVirtualRegister(Reg))) {
if (ThroughRegs.insert(Reg))
if (ThroughRegs.insert(Reg).second)
DEBUG(dbgs() << ' ' << PrintReg(Reg));
}
}