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Add LiveInterval::RenumberValues - Garbage collection for VNInfos.

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After heavy editing of a live interval, it is much easier to simply renumber the
live values instead of trying to keep track of the unused ones.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110463 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-08-06 18:46:59 +00:00
parent 90c579de5a
commit 23436597a8
3 changed files with 22 additions and 1 deletions
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4
lib/CodeGen/SplitKit.cpp
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@ -553,8 +553,10 @@ void SplitEditor::rewrite() {
}
// dupli_ goes in last, after rewriting.
if (dupli_)
if (dupli_) {
dupli_->RenumberValues();
intervals_.push_back(dupli_);
}
// FIXME: *Calculate spill weights, allocation hints, and register classes for
// firstInterval..