From cf173ffb46456155191f461580732262dcf3c969 Mon Sep 17 00:00:00 2001
From: Chad Rosier <mcrosier@codeaurora.org>
Date: Mon, 21 Mar 2016 18:04:10 +0000
Subject: [PATCH] [AArch64] Add a helpful assert. NFC.

llvm-svn: 263965
---
 llvm/lib/Target/AArch64/AArch64InstrInfo.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
index d447a72..43db52f 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -1402,6 +1402,7 @@ bool AArch64InstrInfo::getMemOpBaseRegImmOfs(
 bool AArch64InstrInfo::getMemOpBaseRegImmOfsWidth(
     MachineInstr *LdSt, unsigned &BaseReg, int64_t &Offset, unsigned &Width,
     const TargetRegisterInfo *TRI) const {
+  assert(LdSt->mayLoadOrStore() && "Expected a memory operation.");
   // Handle only loads/stores with base register followed by immediate offset.
   if (LdSt->getNumOperands() != 3)
     return false;
-- 
2.7.4