From bcc6c1b99baf8781f0bad32915806a7b638a170a Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Mon, 24 Aug 2026 18:30:23 +0800
Subject: [CodeGen] Match LLVM callee-save live-ins

---
 backend/lib/Target/RISCV/RISCVFrameLowering.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'backend/lib')

diff --git a/backend/lib/Target/RISCV/RISCVFrameLowering.cpp b/backend/lib/Target/RISCV/RISCVFrameLowering.cpp
index 55447c9..8949b59 100644
--- a/backend/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ b/backend/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -1448,7 +1448,7 @@ public:
 
     if (Function.properties().has(MachineFunctionProperty::TracksLiveness)) {
       for (const PhysicalRegister Reg : Saved) {
-        if (Reg == *FP || Reg == *BP)
+        if (Function.registerInfo().isReserved(Reg))
           continue;
         auto LiveIn = SaveBlock->addLiveIn(Reg);
         if (!LiveIn)
-- 
cgit v1.2.3