[llvm] [ADT] Remove BitVector::next_unset_in_word (PR #156273)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-adt

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

This patch removes BitVector::next_unset_in_word as the private method
doesn't seem to be used anywhere.


---
Full diff: https://github.com/llvm/llvm-project/pull/156273.diff


1 Files Affected:

- (modified) llvm/include/llvm/ADT/BitVector.h (-5) 


``````````diff
diff --git a/llvm/include/llvm/ADT/BitVector.h b/llvm/include/llvm/ADT/BitVector.h
index 70de4c239c1c7..cb5b4e496d3a8 100644
--- a/llvm/include/llvm/ADT/BitVector.h
+++ b/llvm/include/llvm/ADT/BitVector.h
@@ -769,11 +769,6 @@ class BitVector {
     std::fill(Bits.begin() + NumWords - Count, Bits.begin() + NumWords, 0);
   }
 
-  int next_unset_in_word(int WordIndex, BitWord Word) const {
-    unsigned Result = WordIndex * BITWORD_SIZE + llvm::countr_one(Word);
-    return Result < size() ? Result : -1;
-  }
-
   unsigned NumBitWords(unsigned S) const {
     return (S + BITWORD_SIZE-1) / BITWORD_SIZE;
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/156273