[llvm] 5447e5d - Fix MSVC truncation of constant value warning.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2020-06-29T16:03:00+01:00
New Revision: 5447e5d973bfccb5a32d3ca9cb0105340f178b85

URL: https://github.com/llvm/llvm-project/commit/5447e5d973bfccb5a32d3ca9cb0105340f178b85
DIFF: https://github.com/llvm/llvm-project/commit/5447e5d973bfccb5a32d3ca9cb0105340f178b85.diff

LOG: Fix MSVC truncation of constant value warning.

Added: 
    

Modified: 
    llvm/include/llvm/ADT/Bitfields.h

Removed: 
    


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diff  --git a/llvm/include/llvm/ADT/Bitfields.h b/llvm/include/llvm/ADT/Bitfields.h
index 7278ec6a07d9..2e38cca673ea 100644
--- a/llvm/include/llvm/ADT/Bitfields.h
+++ b/llvm/include/llvm/ADT/Bitfields.h
@@ -110,7 +110,7 @@ template <typename T, unsigned Bits> struct BitPatterns {
   static constexpr Unsigned SignBitMask = Unsigned(1) << (Bits - 1); // 00100000
   static constexpr Unsigned Smax = Umax >> 1U;                       // 00011111
   static constexpr Unsigned Smin = ~Smax;                            // 11100000
-  static constexpr Unsigned SignExtend = Smin << 1U;                 // 11000000
+  static constexpr Unsigned SignExtend = Unsigned(Smin << 1U);       // 11000000
 };
 
 /// `Compressor` is used to manipulate the bits of a (possibly signed) integer