[llvm] [llvm] Use llvm::has_single_bit (NFC) (PR #146219)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/146219

None

>From 625a964a4e47bae32a25ca1b6701662a2293f002 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Fri, 27 Jun 2025 23:26:00 -0700
Subject: [PATCH] [llvm] Use llvm::has_single_bit (NFC)

---
 llvm/include/llvm/ADT/SmallPtrSet.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/include/llvm/ADT/SmallPtrSet.h b/llvm/include/llvm/ADT/SmallPtrSet.h
index 2ce934321c456..892040ef4cab1 100644
--- a/llvm/include/llvm/ADT/SmallPtrSet.h
+++ b/llvm/include/llvm/ADT/SmallPtrSet.h
@@ -80,7 +80,7 @@ class SmallPtrSetImplBase : public DebugEpochBase {
   explicit SmallPtrSetImplBase(const void **SmallStorage, unsigned SmallSize)
       : CurArray(SmallStorage), CurArraySize(SmallSize), NumNonEmpty(0),
         NumTombstones(0), IsSmall(true) {
-    assert(SmallSize && (SmallSize & (SmallSize-1)) == 0 &&
+    assert(llvm::has_single_bit(SmallSize) &&
            "Initial size must be a power of two!");
   }