From 3d4bd273c2d7df2d96d2e741227e3f23b8734879 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sat, 29 Aug 2026 00:34:24 +0800
Subject: [RISCV] Assert merged memory offset invariants

---
 backend/lib/Target/RISCV/RISCVMergeBaseOffset.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'backend')

diff --git a/backend/lib/Target/RISCV/RISCVMergeBaseOffset.cpp b/backend/lib/Target/RISCV/RISCVMergeBaseOffset.cpp
index 8ef05aa..16d8929 100644
--- a/backend/lib/Target/RISCV/RISCVMergeBaseOffset.cpp
+++ b/backend/lib/Target/RISCV/RISCVMergeBaseOffset.cpp
@@ -13,6 +13,7 @@
 #include "rcc/Target/RISCV/RISCVRegisters.h"
 
 #include <algorithm>
+#include <cassert>
 #include <cstdint>
 #include <limits>
 #include <memory>
@@ -385,6 +386,7 @@ struct AddressPair final {
       return false;
     CommonOffset = *Offset;
   }
+  assert(CommonOffset && "nonempty validated use list must define a common offset");
 
   MachineOperand *HighAddress = Pair.High->operandAt(1);
   MachineOperand *LowAddress = Pair.Low->operandAt(2);
-- 
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