From cfdbcc469f9691bd9dce3b0b86982a63d86ca6b7 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sat, 1 Aug 2026 14:50:04 +0800
Subject: [CodeGen] Add target state and compilation status

---
 backend/lib/CodeGen/MachineFunction.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

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

diff --git a/backend/lib/CodeGen/MachineFunction.cpp b/backend/lib/CodeGen/MachineFunction.cpp
index 64b6440..294158b 100644
--- a/backend/lib/CodeGen/MachineFunction.cpp
+++ b/backend/lib/CodeGen/MachineFunction.cpp
@@ -75,6 +75,17 @@ MachineFunction::~MachineFunction() {
   }
 }
 
+Expected<void> MachineFunction::setTargetState(TargetFunctionState State) {
+  if (TargetState.hasValue()) {
+    return makeUnexpected(ErrorCode::InvalidArgument, "machine function already has target state");
+  }
+  auto Verification = State.verify();
+  if (!Verification)
+    return std::unexpected(Verification.error());
+  TargetState = std::move(State);
+  return {};
+}
+
 Expected<MachineBasicBlock *> MachineFunction::createBasicBlock() {
   auto ID = BlockIDGenerator.allocate();
   if (!ID)
-- 
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