From e5f78fb1d44b825ee9195660f4387680055137dc Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Mon, 17 Feb 2020 18:30:54 -0300
Subject: Replace LinkedList by IntrusiveList to avoid allocations on JIT
 (#931)

* Replace LinkedList by IntrusiveList to avoid allocations on JIT

* Fix wrong replacements
---
 ARMeilleure/IntermediateRepresentation/BasicBlock.cs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'ARMeilleure/IntermediateRepresentation/BasicBlock.cs')

diff --git a/ARMeilleure/IntermediateRepresentation/BasicBlock.cs b/ARMeilleure/IntermediateRepresentation/BasicBlock.cs
index 06839f30..ac48ac8e 100644
--- a/ARMeilleure/IntermediateRepresentation/BasicBlock.cs
+++ b/ARMeilleure/IntermediateRepresentation/BasicBlock.cs
@@ -2,13 +2,14 @@ using System.Collections.Generic;
 
 namespace ARMeilleure.IntermediateRepresentation
 {
-    class BasicBlock
+    class BasicBlock : IIntrusiveListNode<BasicBlock>
     {
         public int Index { get; set; }
 
-        public LinkedListNode<BasicBlock> Node { get; set; }
+        public BasicBlock ListPrevious { get; set; }
+        public BasicBlock ListNext { get; set; }
 
-        public LinkedList<Node> Operations { get; }
+        public IntrusiveList<Node> Operations { get; }
 
         private BasicBlock _next;
         private BasicBlock _branch;
@@ -33,7 +34,7 @@ namespace ARMeilleure.IntermediateRepresentation
 
         public BasicBlock()
         {
-            Operations = new LinkedList<Node>();
+            Operations = new IntrusiveList<Node>();
 
             Predecessors = new List<BasicBlock>();
 
@@ -77,7 +78,7 @@ namespace ARMeilleure.IntermediateRepresentation
 
         public Node GetLastOp()
         {
-            return Operations.Last?.Value;
+            return Operations.Last;
         }
     }
 }
\ No newline at end of file
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