[DebugInfo] Add another level to DebugInfoKind called Constructor

The option will limit debug info by only emitting complete class
type information when its constructor is emitted.
This patch changes comparisons with LimitedDebugInfo to use the new
level instead.

Differential Revision: https://reviews.llvm.org/D72427

2 files changed, 10 insertions, 0 deletions

diff --git a/clang/include/clang/Basic/CodeGenOptions.h b/clang/include/clang/Basic/CodeGenOptions.h
index 900620a3929..21ac54e8ee1 100644
--- a/clang/include/clang/Basic/CodeGenOptions.h
+++ b/clang/include/clang/Basic/CodeGenOptions.h
@@ -357,6 +357,11 @@ public:
 
   /// Check if CSIR profile use is on.
   bool hasProfileCSIRUse() const { return getProfileUse() == ProfileCSIRInstr; }
+
+  /// Check if type and variable info should be emitted.
+  bool hasReducedDebugInfo() const {
+    return getDebugInfo() >= codegenoptions::DebugInfoConstructor;
+  }
 };
 
 }  // end namespace clang
diff --git a/clang/include/clang/Basic/DebugInfoOptions.h b/clang/include/clang/Basic/DebugInfoOptions.h
index ac18a3a4796..586168bd015 100644
--- a/clang/include/clang/Basic/DebugInfoOptions.h
+++ b/clang/include/clang/Basic/DebugInfoOptions.h
@@ -34,6 +34,11 @@ enum DebugInfoKind {
   /// (-gline-tables-only).
   DebugLineTablesOnly,
 
+  /// Limit generated debug info for classes to reduce size. This emits class
+  /// type info only where the constructor is emitted, if it is a class that
+  /// has a constructor.
+  DebugInfoConstructor,
+
   /// Limit generated debug info to reduce size (-fno-standalone-debug). This
   /// emits forward decls for types that could be replaced with forward decls in
   /// the source code. For dynamic C++ classes type info is only emitted into