[clang] [clang-tools-extra] [Clang] Make the SizeType, SignedSizeType and PtrdiffType be named sugar types instead of built-in types (PR #143653)

[via cfe-commits]

================
@@ -5216,6 +5237,25 @@ QualType ASTContext::getDependentBitIntType(bool 
IsUnsigned,
   return QualType(New, 0);
 }
 
+QualType ASTContext::getPredefinedSugarType(uint32_t KD) const {
+  using Kind = PredefinedSugarType::Kind;
+  auto getUnderlyingType = [](const ASTContext &Ctx, Kind KDI) -> QualType {
+    switch (KDI) {
+    case Kind::SizeT:
+      return Ctx.getFromTargetType(Ctx.Target->getSizeType());
+    case Kind::SignedSizeT:
+      return Ctx.getFromTargetType(Ctx.Target->getSignedSizeType());
+    case Kind::PtrdiffT:
+      return 
Ctx.getFromTargetType(Ctx.Target->getPtrDiffType(LangAS::Default));
+    }
+    llvm_unreachable("unexpected kind");
+  };
+  auto *New = new (*this, alignof(PredefinedSugarType)) PredefinedSugarType(
----------------
YexuanXiao wrote:

This function is used by TypeProperties.td and may not support `enum`s, similar 
to other definitions in same file. I recall attempting to use `enum`s before 
but failing.

https://github.com/llvm/llvm-project/pull/143653
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits