[NFC] Fixes -Wrange-loop-analysis warnings

This avoids new warnings due to D68912 adds -Wrange-loop-analysis to -Wall.

Differential Revision: https://reviews.llvm.org/D71857
diff --git a/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp b/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp
index 7aaf8dc..42691b8 100644
--- a/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp
+++ b/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp
@@ -1168,7 +1168,7 @@
 
     // If there are users outside the set to be eliminated, we abort the
     // transformation. No gain can be expected.
-    for (const auto &U : I->users()) {
+    for (auto *U : I->users()) {
       if (Is.find(dyn_cast<Instruction>(U)) == Is.end())
         return false;
     }