From a1014a9420c3a70b4f123dd2c016e0209b81cb9d Mon Sep 17 00:00:00 2001
From: Carlos Alberto Enciso <Carlos.Enciso@sony.com>
Date: Wed, 22 May 2024 06:41:27 +0100
Subject: [PATCH] [indvars] Missing variables at Og:

https://bugs.llvm.org/show_bug.cgi?id=51735
https://github.com/llvm/llvm-project/issues/51077

Address @OCHyams comments about DbgUsers type.
- Converted to 'const SmallVectorImpl reference'.
---
 llvm/include/llvm/Analysis/LoopInfo.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/llvm/include/llvm/Analysis/LoopInfo.h b/llvm/include/llvm/Analysis/LoopInfo.h
index e8370bbea5735c7..28c888f0c9a1c40 100644
--- a/llvm/include/llvm/Analysis/LoopInfo.h
+++ b/llvm/include/llvm/Analysis/LoopInfo.h
@@ -398,9 +398,10 @@ class LLVM_EXTERNAL_VISIBILITY Loop : public LoopBase<BasicBlock, Loop> {
   /// 'indvars' pass if the loop can deleted. Those debug users will be used
   /// by the 'loop-delete' pass.
   void preserveDebugInductionVariableInfo(
-      Value *FinalValue, SmallVector<DbgVariableIntrinsic *> DbgUsers) {
+      Value *FinalValue,
+      const SmallVectorImpl<DbgVariableIntrinsic *> &DbgUsers) {
     IndVarFinalValue = FinalValue;
-    for (DbgVariableIntrinsic *DebugUser : DbgUsers)
+    for (auto &DebugUser : DbgUsers)
       IndVarDebugUsers.push_back(DebugUser);
   }