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Remove the explicit SDNodeIterator::operator= in favor of the implicit default

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There doesn't seem to be any need to assert that iterator assignment is
between iterators over the same node - if you want to reuse an iterator
variable to iterate another node, that's perfectly acceptable. Just
don't mix comparisons between iterators into disjoint sequences, as
usual.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231135 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2015-03-03 21:17:08 +00:00
parent 113c43b2c6
commit b13215ec3b
23 changed files with 91 additions and 60 deletions
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6
lib/CodeGen/LiveStackAnalysis.cpp
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@@ -61,8 +61,10 @@ LiveStacks::getOrCreateInterval(int Slot, const TargetRegisterClass *RC) {
assert(Slot >= 0 && "Spill slot indice must be >= 0");
SS2IntervalMap::iterator I = S2IMap.find(Slot);
if (I == S2IMap.end()) {
I = S2IMap.insert(I, std::make_pair(Slot,
LiveInterval(TargetRegisterInfo::index2StackSlot(Slot), 0.0F)));
I = S2IMap.emplace(std::piecewise_construct, std::forward_as_tuple(Slot),
std::forward_as_tuple(
TargetRegisterInfo::index2StackSlot(Slot), 0.0F))
.first;
S2RCMap.insert(std::make_pair(Slot, RC));
} else {
// Use the largest common subclass register class.