From 8c3304453c22ad1b5a914e64a7f6435f58f4099c Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Mon, 22 Jan 2024 21:19:16 -0800
Subject: [PATCH] [llvm-diff] Use llvm::predecessors (NFC)

---
 llvm/tools/llvm-diff/lib/DifferenceEngine.cpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/llvm/tools/llvm-diff/lib/DifferenceEngine.cpp b/llvm/tools/llvm-diff/lib/DifferenceEngine.cpp
index 0d4d82e5cadd..64b5051af148 100644
--- a/llvm/tools/llvm-diff/lib/DifferenceEngine.cpp
+++ b/llvm/tools/llvm-diff/lib/DifferenceEngine.cpp
@@ -214,11 +214,9 @@ class FunctionDifferenceEngine {
   };
 
   unsigned getUnprocPredCount(const BasicBlock *Block) const {
-    unsigned Count = 0;
-    for (const_pred_iterator I = pred_begin(Block), E = pred_end(Block); I != E;
-         ++I)
-      if (!Blocks.count(*I)) Count++;
-    return Count;
+    return llvm::count_if(predecessors(Block), [&](const BasicBlock *Pred) {
+      return !Blocks.contains(Pred);
+    });
   }
 
   typedef std::pair<const BasicBlock *, const BasicBlock *> BlockPair;