misc: chore: Use collection expressions (part 2)

src/ARMeilleure/CodeGen/Arm64/CodeGenerator.cs

@@ -1079,7 +1079,7 @@ namespace ARMeilleure.CodeGen.Arm64
 
         private static UnwindInfo WritePrologue(CodeGenContext context)
         {
-            List<UnwindPushEntry> pushEntries = new();
+            List<UnwindPushEntry> pushEntries = [];
 
             Operand rsp = Register(SpRegister);
 

src/ARMeilleure/CodeGen/RegisterAllocators/CopyResolver.cs

@@ -31,7 +31,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
 
             public ParallelCopy()
             {
-                _copies = new List<Copy>();
+                _copies = [];
             }
 
             public void AddCopy(Register dest, Register source, OperandType type)
@@ -218,7 +218,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
 
         public Operation[] Sequence()
         {
-            List<Operation> sequence = new();
+            List<Operation> sequence = [];
 
             if (_spillQueue != null)
             {

src/ARMeilleure/CodeGen/RegisterAllocators/LinearScanAllocator.cs

@@ -799,8 +799,8 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
 
         private void NumberLocals(ControlFlowGraph cfg, int registersCount)
         {
-            _operationNodes = new List<(IntrusiveList<Operation>, Operation)>();
-            _intervals = new List<LiveInterval>();
+            _operationNodes = [];
+            _intervals = [];
 
             for (int index = 0; index < registersCount; index++)
             {
@@ -980,7 +980,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
 
             _blockLiveIn = blkLiveIn;
 
-            _blockEdges = new HashSet<int>();
+            _blockEdges = [];
 
             // Compute lifetime intervals.
             int operationPos = _operationsCount;

src/ARMeilleure/CodeGen/X86/Assembler.cs

@@ -74,9 +74,9 @@ namespace ARMeilleure.CodeGen.X86
         {
             _stream = stream;
             _labels = new Dictionary<Operand, long>();
-            _jumps = new List<Jump>();
+            _jumps = [];
 
-            _relocs = relocatable ? new List<Reloc>() : null;
+            _relocs = relocatable ? [] : null;
         }
 
         public void MarkLabel(Operand label)

src/ARMeilleure/CodeGen/X86/CodeGenerator.cs

@@ -1748,7 +1748,7 @@ namespace ARMeilleure.CodeGen.X86
 
         private static UnwindInfo WritePrologue(CodeGenContext context)
         {
-            List<UnwindPushEntry> pushEntries = new();
+            List<UnwindPushEntry> pushEntries = [];
 
             Operand rsp = Register(X86Register.Rsp);