Make Value::MaxAlignment(Exponent) constexpr

This avoids references to the variables be generated when using e.g. max().

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D95050

diff --git a/llvm/include/llvm/IR/Value.h b/llvm/include/llvm/IR/Value.h
index 2ad1c9e..7527684 100644 (file)
--- a/llvm/include/llvm/IR/Value.h
+++ b/llvm/include/llvm/IR/Value.h
@@ -781,8 +781,8 @@ public:
   ///
   /// This is the greatest alignment value supported by load, store, and alloca
   /// instructions, and global values.
-  static const unsigned MaxAlignmentExponent = 29;
-  static const unsigned MaximumAlignment = 1u << MaxAlignmentExponent;
+  static constexpr unsigned MaxAlignmentExponent = 29;
+  static constexpr unsigned MaximumAlignment = 1u << MaxAlignmentExponent;
 
   /// Mutate the type of this Value to be of the specified type.
   ///