From 183e2354e9fdd107be420cbb185c1d239434aa48 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Tue, 4 Aug 2026 05:34:15 +0800
Subject: [MIR] Add machine instruction parser and printer

Parse MachineFunction bodies in two passes and serialize the same MachineIR model in complete or readable form. Extend instruction attachments and memory operands required by the fixed LLVM MIR grammar, and cover deterministic parse-print round trips.
---
 backend/lib/CodeGen/MachineFunctionCloner.cpp | 39 +++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'backend/lib/CodeGen/MachineFunctionCloner.cpp')

diff --git a/backend/lib/CodeGen/MachineFunctionCloner.cpp b/backend/lib/CodeGen/MachineFunctionCloner.cpp
index 7dcf5e2..9342c5a 100644
--- a/backend/lib/CodeGen/MachineFunctionCloner.cpp
+++ b/backend/lib/CodeGen/MachineFunctionCloner.cpp
@@ -414,6 +414,45 @@ cloneMemOperand(const MachineMemOperand &SourceOperand, CloneState &State) {
         if (!DebugNumberResult)
           return std::unexpected(DebugNumberResult.error());
       }
+      if (SourceInstruction->preInstrSymbol()) {
+        auto SymbolResult =
+            NewInstruction->setPreInstrSymbol(std::string(*SourceInstruction->preInstrSymbol()));
+        if (!SymbolResult)
+          return std::unexpected(SymbolResult.error());
+      }
+      if (SourceInstruction->postInstrSymbol()) {
+        auto SymbolResult =
+            NewInstruction->setPostInstrSymbol(std::string(*SourceInstruction->postInstrSymbol()));
+        if (!SymbolResult)
+          return std::unexpected(SymbolResult.error());
+      }
+      if (SourceInstruction->heapAllocMarker()) {
+        auto MarkerResult =
+            NewInstruction->setHeapAllocMarker(*SourceInstruction->heapAllocMarker());
+        if (!MarkerResult)
+          return std::unexpected(MarkerResult.error());
+      }
+      if (SourceInstruction->pcSections()) {
+        auto SectionsResult = NewInstruction->setPCSections(*SourceInstruction->pcSections());
+        if (!SectionsResult)
+          return std::unexpected(SectionsResult.error());
+      }
+      if (SourceInstruction->mmra()) {
+        auto MMRAResult = NewInstruction->setMMRA(*SourceInstruction->mmra());
+        if (!MMRAResult)
+          return std::unexpected(MMRAResult.error());
+      }
+      if (SourceInstruction->cfiType()) {
+        auto TypeResult = NewInstruction->setCFIType(*SourceInstruction->cfiType());
+        if (!TypeResult)
+          return std::unexpected(TypeResult.error());
+      }
+      if (SourceInstruction->deactivationSymbol()) {
+        auto SymbolResult = NewInstruction->setDeactivationSymbol(
+            std::string(*SourceInstruction->deactivationSymbol()));
+        if (!SymbolResult)
+          return std::unexpected(SymbolResult.error());
+      }
 
       auto AppendResult = DestinationBlock->appendInstruction(*NewInstruction);
       if (!AppendResult)
-- 
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