aeubanks created this revision.
Herald added a reviewer: aaron.ballman.
aeubanks requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D101561
Files:
clang/include/clang/Basic/Attr.td
clang/include/clang/Basic/AttrDocs.td
clang/lib/CodeGen/TargetInfo.cpp
Index: clang/lib/CodeGen/TargetInfo.cpp
===================================================================
--- clang/lib/CodeGen/TargetInfo.cpp
+++ clang/lib/CodeGen/TargetInfo.cpp
@@ -4204,6 +4204,8 @@
if (RT->getDecl()->hasFlexibleArrayMember())
return getNaturalAlignIndirect(Ty, /*ByVal=*/false);
+ if (RT->getDecl()->hasAttr<UnstableABIAttr>())
+ return ABIArgInfo::getDirect();
}
const Type *Base = nullptr;
Index: clang/include/clang/Basic/AttrDocs.td
===================================================================
--- clang/include/clang/Basic/AttrDocs.td
+++ clang/include/clang/Basic/AttrDocs.td
@@ -3150,6 +3150,12 @@
}];
}
+def UnstableABIDocs : Documentation {
+ let Category = DocCatDecl;
+ let Content = [{
+ }];
+}
+
def MSInheritanceDocs : Documentation {
let Category = DocCatDecl;
let Heading = "__single_inhertiance, __multiple_inheritance,
__virtual_inheritance";
Index: clang/include/clang/Basic/Attr.td
===================================================================
--- clang/include/clang/Basic/Attr.td
+++ clang/include/clang/Basic/Attr.td
@@ -1538,6 +1538,16 @@
let SimpleHandler = 1;
}
+def UnstableABI : InheritableAttr {
+ // This attribute does not have a C [[]] spelling because it requires the
+ // CPlusPlus language option.
+ let Spellings = [Clang<"unstable_abi", 0>];
+ let Subjects = SubjectList<[CXXRecord]>;
+ let Documentation = [UnstableABIDocs];
+ let LangOpts = [CPlusPlus];
+ let SimpleHandler = 1;
+}
+
def MaxFieldAlignment : InheritableAttr {
// This attribute has no spellings as it is only ever created implicitly.
let Spellings = [];
Index: clang/lib/CodeGen/TargetInfo.cpp
===================================================================
--- clang/lib/CodeGen/TargetInfo.cpp
+++ clang/lib/CodeGen/TargetInfo.cpp
@@ -4204,6 +4204,8 @@
if (RT->getDecl()->hasFlexibleArrayMember())
return getNaturalAlignIndirect(Ty, /*ByVal=*/false);
+ if (RT->getDecl()->hasAttr<UnstableABIAttr>())
+ return ABIArgInfo::getDirect();
}
const Type *Base = nullptr;
Index: clang/include/clang/Basic/AttrDocs.td
===================================================================
--- clang/include/clang/Basic/AttrDocs.td
+++ clang/include/clang/Basic/AttrDocs.td
@@ -3150,6 +3150,12 @@
}];
}
+def UnstableABIDocs : Documentation {
+ let Category = DocCatDecl;
+ let Content = [{
+ }];
+}
+
def MSInheritanceDocs : Documentation {
let Category = DocCatDecl;
let Heading = "__single_inhertiance, __multiple_inheritance, __virtual_inheritance";
Index: clang/include/clang/Basic/Attr.td
===================================================================
--- clang/include/clang/Basic/Attr.td
+++ clang/include/clang/Basic/Attr.td
@@ -1538,6 +1538,16 @@
let SimpleHandler = 1;
}
+def UnstableABI : InheritableAttr {
+ // This attribute does not have a C [[]] spelling because it requires the
+ // CPlusPlus language option.
+ let Spellings = [Clang<"unstable_abi", 0>];
+ let Subjects = SubjectList<[CXXRecord]>;
+ let Documentation = [UnstableABIDocs];
+ let LangOpts = [CPlusPlus];
+ let SimpleHandler = 1;
+}
+
def MaxFieldAlignment : InheritableAttr {
// This attribute has no spellings as it is only ever created implicitly.
let Spellings = [];
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