================ @@ -70,38 +71,51 @@ using DeclID = DeclIDBase::DeclID; /// An ID number that refers to a type in an AST file. /// -/// The ID of a type is partitioned into two parts: the lower -/// three bits are used to store the const/volatile/restrict -/// qualifiers (as with QualType) and the upper bits provide a -/// type index. The type index values are partitioned into two +/// The ID of a type is partitioned into three parts: +/// - the lower three bits are used to store the const/volatile/restrict +/// qualifiers (as with QualType). +/// - the next 29 bits provide a type index in the corresponding +/// module file. +/// - the upper 32 bits provide a module file index. +/// +/// The type index values are partitioned into two /// sets. The values below NUM_PREDEF_TYPE_IDs are predefined type /// IDs (based on the PREDEF_TYPE_*_ID constants), with 0 as a /// placeholder for "no type". Values from NUM_PREDEF_TYPE_IDs are /// other types that have serialized representations. -using TypeID = uint32_t; +using TypeID = uint64_t; /// A type index; the type ID with the qualifier bits removed. +/// Keep structure alignment 32-bit since the blob is assumed as 32-bit ---------------- ilya-biryukov wrote:
NIT: should we add a `static_assert(alignof(TypeIdx) == 4)`? https://github.com/llvm/llvm-project/pull/92511 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
