[llvm] a677afd - [TableGen] Use std::size (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-11-26T10:47:22-08:00
New Revision: a677afd3c132dd024fdf81c1bb0b256176895112

URL: https://github.com/llvm/llvm-project/commit/a677afd3c132dd024fdf81c1bb0b256176895112
DIFF: https://github.com/llvm/llvm-project/commit/a677afd3c132dd024fdf81c1bb0b256176895112.diff

LOG: [TableGen] Use std::size (NFC)

std::size, introduced in C++17, allows us to directly obtain the
number of elements of an array.

Added: 
    

Modified: 
    llvm/utils/TableGen/OptParserEmitter.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/OptParserEmitter.cpp b/llvm/utils/TableGen/OptParserEmitter.cpp
index 182cd0076090a..cbc63ea201402 100644
--- a/llvm/utils/TableGen/OptParserEmitter.cpp
+++ b/llvm/utils/TableGen/OptParserEmitter.cpp
@@ -448,12 +448,10 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
 
   OS << MarshallingInfo::ValueTablesDecl << "{";
   for (auto ValueTableName : ValueTableNames)
-    OS << "{" << ValueTableName << ", sizeof(" << ValueTableName
-       << ") / sizeof(SimpleEnumValue)"
-       << "},\n";
+    OS << "{" << ValueTableName << ", std::size(" << ValueTableName << ")},\n";
   OS << "};\n";
   OS << "static const unsigned SimpleEnumValueTablesSize = "
-        "sizeof(SimpleEnumValueTables) / sizeof(SimpleEnumValueTable);\n";
+        "std::size(SimpleEnumValueTables);\n";
 
   OS << "#endif // SIMPLE_ENUM_VALUE_TABLE\n";
   OS << "\n";