[AST] Store the results in OverloadExpr in a trailing array
Use the newly available space in the bit-fields of Stmt to pack
OverloadExpr, UnresolvedLookupExpr and UnresolvedMemberExpr.
Additionally store the results in the overload set in a trailing array.
This saves 1 pointer + 8 bytes per UnresolvedLookupExpr and
UnresolvedMemberExpr.
Differential Revision: https://reviews.llvm.org/D56368
Reviewed By: rjmccall
llvm-svn: 350732
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index b1908f79..6f8b86e 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -1625,25 +1625,23 @@
void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) {
VisitExpr(E);
- // Don't emit anything here, HasTemplateKWAndArgsInfo must be
- // emitted first.
-
- Record.push_back(E->HasTemplateKWAndArgsInfo);
- if (E->HasTemplateKWAndArgsInfo) {
+ Record.push_back(E->getNumDecls());
+ Record.push_back(E->hasTemplateKWAndArgsInfo());
+ if (E->hasTemplateKWAndArgsInfo()) {
const ASTTemplateKWAndArgsInfo &ArgInfo =
*E->getTrailingASTTemplateKWAndArgsInfo();
Record.push_back(ArgInfo.NumTemplateArgs);
AddTemplateKWAndArgsInfo(ArgInfo, E->getTrailingTemplateArgumentLoc());
}
- Record.push_back(E->getNumDecls());
- for (OverloadExpr::decls_iterator
- OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) {
+ for (OverloadExpr::decls_iterator OvI = E->decls_begin(),
+ OvE = E->decls_end();
+ OvI != OvE; ++OvI) {
Record.AddDeclRef(OvI.getDecl());
Record.push_back(OvI.getAccess());
}
- Record.AddDeclarationNameInfo(E->NameInfo);
+ Record.AddDeclarationNameInfo(E->getNameInfo());
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
}