[Mlir-commits] [mlir] 7313c3b - [mlir] Use llvm::bit_width (NFC) (#138648)

[llvmlistbot at llvm.org]

Author: Kazu Hirata
Date: 2025-05-07T16:16:16-07:00
New Revision: 7313c3b1f1454b408d9f845a1c6aa40c5b36cae9

URL: https://github.com/llvm/llvm-project/commit/7313c3b1f1454b408d9f845a1c6aa40c5b36cae9
DIFF: https://github.com/llvm/llvm-project/commit/7313c3b1f1454b408d9f845a1c6aa40c5b36cae9.diff

LOG: [mlir] Use llvm::bit_width (NFC) (#138648)

Note that bit_width is implemented as:

  std::numeric_limits<T>::digits - llvm::countl_zero(Value);

Added: 
    

Modified: 
    mlir/include/mlir/Dialect/SparseTensor/IR/SparseTensor.h

Removed: 
    


################################################################################
diff  --git a/mlir/include/mlir/Dialect/SparseTensor/IR/SparseTensor.h b/mlir/include/mlir/Dialect/SparseTensor/IR/SparseTensor.h
index fca2629d72efc..d0a3f01afe871 100644
--- a/mlir/include/mlir/Dialect/SparseTensor/IR/SparseTensor.h
+++ b/mlir/include/mlir/Dialect/SparseTensor/IR/SparseTensor.h
@@ -122,7 +122,7 @@ class I64BitSet {
     unsigned m = llvm::countr_zero(storage);
     return m == 64 ? -1 : m;
   }
-  unsigned max() const { return 64 - llvm::countl_zero(storage); }
+  unsigned max() const { return llvm::bit_width(storage); }
   unsigned count() const { return llvm::popcount(storage); }
   bool empty() const { return storage == 0; }
 };