aaronpuchert created this revision.
aaronpuchert added reviewers: riccibruno, rsmith.
aaronpuchert requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
We were always storing a regular ValueDecl* as decomposition declaration
and haven't been using the opportunity to initialize it lazily.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D99455
Files:
clang/include/clang/AST/DeclCXX.h
clang/lib/AST/DeclCXX.cpp
Index: clang/lib/AST/DeclCXX.cpp
===================================================================
--- clang/lib/AST/DeclCXX.cpp
+++ clang/lib/AST/DeclCXX.cpp
@@ -3177,12 +3177,6 @@
return new (C, ID) BindingDecl(nullptr, SourceLocation(), nullptr);
}
-ValueDecl *BindingDecl::getDecomposedDecl() const {
- ExternalASTSource *Source =
- Decomp.isOffset() ? getASTContext().getExternalSource() : nullptr;
- return cast_or_null<ValueDecl>(Decomp.get(Source));
-}
-
VarDecl *BindingDecl::getHoldingVar() const {
Expr *B = getBinding();
if (!B)
Index: clang/include/clang/AST/DeclCXX.h
===================================================================
--- clang/include/clang/AST/DeclCXX.h
+++ clang/include/clang/AST/DeclCXX.h
@@ -3817,7 +3817,7 @@
/// DecompositionDecl of type 'int (&)[3]'.
class BindingDecl : public ValueDecl {
/// The declaration that this binding binds to part of.
- LazyDeclPtr Decomp;
+ ValueDecl *Decomp;
/// The binding represented by this declaration. References to this
/// declaration are effectively equivalent to this expression (except
/// that it is only evaluated once at the point of declaration of the
@@ -3843,7 +3843,7 @@
/// Get the decomposition declaration that this binding represents a
/// decomposition of.
- ValueDecl *getDecomposedDecl() const;
+ ValueDecl *getDecomposedDecl() const { return Decomp; }
/// Get the variable (if any) that holds the value of evaluating the binding.
/// Only present for user-defined bindings for tuple-like types.
Index: clang/lib/AST/DeclCXX.cpp
===================================================================
--- clang/lib/AST/DeclCXX.cpp
+++ clang/lib/AST/DeclCXX.cpp
@@ -3177,12 +3177,6 @@
return new (C, ID) BindingDecl(nullptr, SourceLocation(), nullptr);
}
-ValueDecl *BindingDecl::getDecomposedDecl() const {
- ExternalASTSource *Source =
- Decomp.isOffset() ? getASTContext().getExternalSource() : nullptr;
- return cast_or_null<ValueDecl>(Decomp.get(Source));
-}
-
VarDecl *BindingDecl::getHoldingVar() const {
Expr *B = getBinding();
if (!B)
Index: clang/include/clang/AST/DeclCXX.h
===================================================================
--- clang/include/clang/AST/DeclCXX.h
+++ clang/include/clang/AST/DeclCXX.h
@@ -3817,7 +3817,7 @@
/// DecompositionDecl of type 'int (&)[3]'.
class BindingDecl : public ValueDecl {
/// The declaration that this binding binds to part of.
- LazyDeclPtr Decomp;
+ ValueDecl *Decomp;
/// The binding represented by this declaration. References to this
/// declaration are effectively equivalent to this expression (except
/// that it is only evaluated once at the point of declaration of the
@@ -3843,7 +3843,7 @@
/// Get the decomposition declaration that this binding represents a
/// decomposition of.
- ValueDecl *getDecomposedDecl() const;
+ ValueDecl *getDecomposedDecl() const { return Decomp; }
/// Get the variable (if any) that holds the value of evaluating the binding.
/// Only present for user-defined bindings for tuple-like types.
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