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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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4
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -6385,7 +6385,7 @@ SDNode::hasPredecessorHelper(const SDNode *N,
const SDNode *M = Worklist.pop_back_val();
for (unsigned i = 0, e = M->getNumOperands(); i != e; ++i) {
SDNode *Op = M->getOperand(i).getNode();
if (Visited.insert(Op))
if (Visited.insert(Op).second)
Worklist.push_back(Op);
if (Op == N)
return true;
@ -6753,7 +6753,7 @@ static void checkForCyclesHelper(const SDNode *N,
// If a node has already been visited on this depth-first walk, reject it as
// a cycle.
if (!Visited.insert(N)) {
if (!Visited.insert(N).second) {
errs() << "Detected cycle in SelectionDAG\n";
dbgs() << "Offending node:\n";
N->dumprFull(DAG); dbgs() << "\n";