[llvm] 5816134 - Make Value::MaxAlignment(Exponent) constexpr

[Alex Richardson via llvm-commits]

Author: Alex Richardson
Date: 2021-08-26T10:09:40+01:00
New Revision: 581613413c273012747676d9b0f0970cc26d5683

URL: https://github.com/llvm/llvm-project/commit/581613413c273012747676d9b0f0970cc26d5683
DIFF: https://github.com/llvm/llvm-project/commit/581613413c273012747676d9b0f0970cc26d5683.diff

LOG: 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

Added: 
    

Modified: 
    llvm/include/llvm/IR/Value.h

Removed: 
    


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diff  --git a/llvm/include/llvm/IR/Value.h b/llvm/include/llvm/IR/Value.h
index 2ad1c9e8c3008..7527684d8d25a 100644
--- a/llvm/include/llvm/IR/Value.h
+++ b/llvm/include/llvm/IR/Value.h
@@ -781,8 +781,8 @@ class Value {
   ///
   /// 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.
   ///