[llvm] 0394888 - Fix MSVC "32-bit shift implicitly converted to 64 bits" warning. NFC

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2024-10-30T10:12:57Z
New Revision: 03948882d3bac33cf71a47df1c7ee0f87aad9fc2

URL: https://github.com/llvm/llvm-project/commit/03948882d3bac33cf71a47df1c7ee0f87aad9fc2
DIFF: https://github.com/llvm/llvm-project/commit/03948882d3bac33cf71a47df1c7ee0f87aad9fc2.diff

LOG: Fix MSVC "32-bit shift implicitly converted to 64 bits" warning. NFC

NumBits should be less than 20 so using an unsigned instead of size_t should be OK

Added: 
    

Modified: 
    llvm/lib/Support/TrieRawHashMap.cpp

Removed: 
    


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diff  --git a/llvm/lib/Support/TrieRawHashMap.cpp b/llvm/lib/Support/TrieRawHashMap.cpp
index 4741f3d4db0490..11d79a62d011dd 100644
--- a/llvm/lib/Support/TrieRawHashMap.cpp
+++ b/llvm/lib/Support/TrieRawHashMap.cpp
@@ -79,7 +79,7 @@ class TrieSubtrie final
 
   static constexpr size_t sizeToAlloc(unsigned NumBits) {
     assert(NumBits < 20 && "Tries should have fewer than ~1M slots");
-    size_t Count = 1u << NumBits;
+    unsigned Count = 1u << NumBits;
     return totalSizeToAlloc<LazyAtomicPointer<TrieNode>>(Count);
   }