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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/ARMeilleure/Translation/RegisterToLocal.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'src/ARMeilleure/Translation/RegisterToLocal.cs')
-rw-r--r--src/ARMeilleure/Translation/RegisterToLocal.cs52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/ARMeilleure/Translation/RegisterToLocal.cs b/src/ARMeilleure/Translation/RegisterToLocal.cs
new file mode 100644
index 00000000..abb9b373
--- /dev/null
+++ b/src/ARMeilleure/Translation/RegisterToLocal.cs
@@ -0,0 +1,52 @@
+using ARMeilleure.IntermediateRepresentation;
+using System.Collections.Generic;
+
+using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
+
+namespace ARMeilleure.Translation
+{
+ static class RegisterToLocal
+ {
+ public static void Rename(ControlFlowGraph cfg)
+ {
+ Dictionary<Register, Operand> registerToLocalMap = new Dictionary<Register, Operand>();
+
+ Operand GetLocal(Operand op)
+ {
+ Register register = op.GetRegister();
+
+ if (!registerToLocalMap.TryGetValue(register, out Operand local))
+ {
+ local = Local(op.Type);
+
+ registerToLocalMap.Add(register, local);
+ }
+
+ return local;
+ }
+
+ for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
+ {
+ for (Operation node = block.Operations.First; node != default; node = node.ListNext)
+ {
+ Operand dest = node.Destination;
+
+ if (dest != default && dest.Kind == OperandKind.Register)
+ {
+ node.Destination = GetLocal(dest);
+ }
+
+ for (int index = 0; index < node.SourcesCount; index++)
+ {
+ Operand source = node.GetSource(index);
+
+ if (source.Kind == OperandKind.Register)
+ {
+ node.SetSource(index, GetLocal(source));
+ }
+ }
+ }
+ }
+ }
+ }
+} \ No newline at end of file