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Allow LocalVariable to be assigned more than once (#2288)

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* Allow `LocalVariable` to be assigned more than once

This allows us to write flow controls like loops and if-elses with
LocalVariables participating in phi nodes.

* Add `GetLocalNumber` to operand
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FICTURE7 2021-05-17 03:54:53 +04:00 • committed by GitHub
parent 212e472c9f
commit c805542b29
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6 changed files with 47 additions and 16 deletions
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4
ARMeilleure/Translation/ControlFlowGraph.cs
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@ -10,15 +10,17 @@ namespace ARMeilleure.Translation
private BasicBlock[] _postOrderBlocks;
private int[] _postOrderMap;
public int LocalsCount { get; }
public BasicBlock Entry { get; }
public IntrusiveList<BasicBlock> Blocks { get; }
public BasicBlock[] PostOrderBlocks => _postOrderBlocks;
public int[] PostOrderMap => _postOrderMap;
public ControlFlowGraph(BasicBlock entry, IntrusiveList<BasicBlock> blocks)
public ControlFlowGraph(BasicBlock entry, IntrusiveList<BasicBlock> blocks, int localsCount)
{
Entry = entry;
Blocks = blocks;
LocalsCount = localsCount;
Update(removeUnreachableBlocks: true);
}