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Replace LinkedList by IntrusiveList to avoid allocations on JIT (#931)

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* Replace LinkedList by IntrusiveList to avoid allocations on JIT

* Fix wrong replacements
This commit is contained in:
gdkchan 2020-02-17 18:30:54 -03:00 • committed by GitHub
parent e9a37ca6a8
commit e5f78fb1d4
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 365 additions and 198 deletions
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26
ARMeilleure/Translation/SsaConstruction.cs
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@ -47,7 +47,7 @@ namespace ARMeilleure.Translation
{
DefMap[] globalDefs = new DefMap[cfg.Blocks.Count];
foreach (BasicBlock block in cfg.Blocks)
for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
{
globalDefs[block.Index] = new DefMap();
}
@ -55,11 +55,11 @@ namespace ARMeilleure.Translation
Queue<BasicBlock> dfPhiBlocks = new Queue<BasicBlock>();
// First pass, get all defs and locals uses.
foreach (BasicBlock block in cfg.Blocks)
for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
{
Operand[] localDefs = new Operand[RegisterConsts.TotalCount];
LinkedListNode<Node> node = block.Operations.First;
Node node = block.Operations.First;
Operand RenameLocal(Operand operand)
{
@ -75,7 +75,7 @@ namespace ARMeilleure.Translation
while (node != null)
{
if (node.Value is Operation operation)
if (node is Operation operation)
{
for (int index = 0; index < operation.SourcesCount; index++)
{
@ -94,7 +94,7 @@ namespace ARMeilleure.Translation
}
}
node = node.Next;
node = node.ListNext;
}
for (int index = 0; index < RegisterConsts.TotalCount; index++)
@ -126,11 +126,11 @@ namespace ARMeilleure.Translation
}
// Second pass, rename variables with definitions on different blocks.
foreach (BasicBlock block in cfg.Blocks)
for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
{
Operand[] localDefs = new Operand[RegisterConsts.TotalCount];
LinkedListNode<Node> node = block.Operations.First;
Node node = block.Operations.First;
Operand RenameGlobal(Operand operand)
{
@ -155,7 +155,7 @@ namespace ARMeilleure.Translation
while (node != null)
{
if (node.Value is Operation operation)
if (node is Operation operation)
{
for (int index = 0; index < operation.SourcesCount; index++)
{
@ -163,7 +163,7 @@ namespace ARMeilleure.Translation
}
}
node = node.Next;
node = node.ListNext;
}
}
}
@ -238,17 +238,17 @@ namespace ARMeilleure.Translation
private static void AddPhi(BasicBlock block, PhiNode phi)
{
LinkedListNode<Node> node = block.Operations.First;
Node node = block.Operations.First;
if (node != null)
{
while (node.Next?.Value is PhiNode)
while (node.ListNext is PhiNode)
{
node = node.Next;
node = node.ListNext;
}
}
if (node?.Value is PhiNode)
if (node is PhiNode)
{
block.Operations.AddAfter(node, phi);
}