================
@@ -2367,11 +2369,38 @@ size_t DWARFASTParserClang::ParseChildEnumerators(
}
if (name && name[0] && got_value) {
- m_ast.AddEnumerationValueToEnumerationType(
+ auto ECD = m_ast.AddEnumerationValueToEnumerationType(
clang_type, decl, name, enum_value, enumerator_byte_size * 8);
++enumerators_added;
+
+ llvm::APSInt InitVal = ECD->getInitVal();
+ // Keep track of the size of positive and negative values.
+ if (InitVal.isUnsigned() || InitVal.isNonNegative()) {
+ // If the enumerator is zero that should still be counted as a positive
+ // bit since we need a bit to store the value zero.
+ unsigned ActiveBits = InitVal.getActiveBits();
+ NumPositiveBits = std::max({NumPositiveBits, ActiveBits, 1u});
+ } else {
+ NumNegativeBits =
+ std::max(NumNegativeBits, (unsigned)InitVal.getSignificantBits());
+ }
}
}
+
+ if (!NumPositiveBits && !NumNegativeBits)
+ NumPositiveBits = 1;
+
+ clang::EnumDecl *enum_decl =
+ ClangUtil::GetQualType(clang_type)->getAs<clang::EnumType>()->getDecl();
+ enum_decl->setNumPositiveBits(NumPositiveBits);
+ enum_decl->setNumNegativeBits(NumNegativeBits);
+
+ clang::QualType BestPromotionType;
+ clang::QualType BestType;
+ m_ast.getASTContext().computeBestEnumTypes(
+ false, NumNegativeBits, NumPositiveBits, BestType, BestPromotionType);
----------------
Michael137 wrote:
```suggestion
/*IsPacked=*/false, NumNegativeBits, NumPositiveBits, BestType,
BestPromotionType);
```
https://github.com/llvm/llvm-project/pull/115005
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