[llvm] [Support] Remove deprecated CTLog2 from MathExtras.h (PR #218274)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-support

Author: Marc Auberer (marcauberer)

<details>
<summary>Changes</summary>

CTLog2 was deprecated in favor of ConstantLog2 and has no remaining in-tree users, so drop it.

---
Full diff: https://github.com/llvm/llvm-project/pull/218274.diff


1 Files Affected:

- (modified) llvm/include/llvm/Support/MathExtras.h (-6) 


``````````diff
diff --git a/llvm/include/llvm/Support/MathExtras.h b/llvm/include/llvm/Support/MathExtras.h
index d429f63520616..2324565852815 100644
--- a/llvm/include/llvm/Support/MathExtras.h
+++ b/llvm/include/llvm/Support/MathExtras.h
@@ -320,12 +320,6 @@ template <size_t kValue> constexpr size_t ConstantLog2() {
   return llvm::countr_zero_constexpr(kValue);
 }
 
-template <size_t kValue>
-LLVM_DEPRECATED("Use ConstantLog2 instead", "ConstantLog2")
-constexpr size_t CTLog2() {
-  return ConstantLog2<kValue>();
-}
-
 /// Return the floor log base 2 of the specified value, -1 if the value is zero.
 /// (32 bit edition.)
 /// Ex. Log2_32(32) == 5, Log2_32(1) == 0, Log2_32(0) == -1, Log2_32(6) == 2

``````````

</details>


https://github.com/llvm/llvm-project/pull/218274