Skip to content

[CIR] Upstream RTTI Builder & RTTI for VTable Definitions #160002

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 30, 2025
Merged

[CIR] Upstream RTTI Builder & RTTI for VTable Definitions #160002

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
09aeed8
[CIR] Upstream RTTI Builder & RTTI for VTable Definitions
AmrDeveloper Sep 21, 2025
5c8544a
Address code review comments
AmrDeveloper Sep 30, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions clang/include/clang/CIR/MissingFeatures.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@ struct MissingFeatures {
static bool opGlobalDLLImportExport() { return false; }
static bool opGlobalPartition() { return false; }
static bool opGlobalUsedOrCompilerUsed() { return false; }
static bool setDSOLocal() { return false; }
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

We support both dso_local and comdat on globals now, but I think it's fine to defer that handling until after this PR is merged.

static bool setComdat() { return false; }

static bool supportIFuncAttr() { return false; }
static bool supportVisibility() { return false; }
Expand Down
5 changes: 5 additions & 0 deletions clang/lib/CIR/CodeGen/CIRGenBuilder.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,11 @@ class CIRGenBuilderTy : public cir::CIRBaseBuilderTy {
return cir::ConstRecordAttr::get(sTy, arrayAttr);
}

cir::TypeInfoAttr getTypeInfo(mlir::ArrayAttr fieldsAttr) {
cir::ConstRecordAttr anonRecord = getAnonConstRecord(fieldsAttr);
return cir::TypeInfoAttr::get(anonRecord.getType(), fieldsAttr);
}

std::string getUniqueAnonRecordName() { return getUniqueRecordName("anon"); }

std::string getUniqueRecordName(const std::string &baseName) {
Expand Down
3 changes: 3 additions & 0 deletions clang/lib/CIR/CodeGen/CIRGenCXXABI.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,9 @@ class CIRGenCXXABI {

virtual void emitRethrow(CIRGenFunction &cgf, bool isNoReturn) = 0;

virtual mlir::Attribute getAddrOfRTTIDescriptor(mlir::Location loc,
QualType ty) = 0;

/// Get the type of the implicit "this" parameter used by a method. May return
/// zero if no specific type is applicable, e.g. if the ABI expects the "this"
/// parameter to point to some artificial offset in a complete object due to
Expand Down
Loading