[IR] PatternMatch.h - m_SplatOrUndefMask::match - specialise auto to const auto*

Fixes clang-tidy warning

diff --git a/llvm/include/llvm/IR/PatternMatch.h b/llvm/include/llvm/IR/PatternMatch.h
index 38a916c..8b542b7 100644 (file)
--- a/llvm/include/llvm/IR/PatternMatch.h
+++ b/llvm/include/llvm/IR/PatternMatch.h
@@ -1536,7 +1536,7 @@ struct m_SplatOrUndefMask {
   int &SplatIndex;
   m_SplatOrUndefMask(int &SplatIndex) : SplatIndex(SplatIndex) {}
   bool match(ArrayRef<int> Mask) {
-    auto First = find_if(Mask, [](int Elem) { return Elem != -1; });
+    const auto *First = find_if(Mask, [](int Elem) { return Elem != -1; });
     if (First == Mask.end())
       return false;
     SplatIndex = *First;