From: Devang Patel <dpatel@apple.com>
Date: Tue, 22 Feb 2011 20:55:26 +0000 (+0000)
Subject: A constructor call should force class's debug info even if -flimit-debug-info is... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3ee36af5bbb8c2cd203a140c3785215539cd56b4;p=clang

A constructor call should force class's debug info even if -flimit-debug-info is enabled.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126246 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGClass.cpp b/lib/CodeGen/CGClass.cpp
index 8e88beb3cf..cd28bbe44d 100644
--- a/lib/CodeGen/CGClass.cpp
+++ b/lib/CodeGen/CGClass.cpp
@@ -17,6 +17,7 @@
 #include "clang/AST/EvaluatedExprVisitor.h"
 #include "clang/AST/RecordLayout.h"
 #include "clang/AST/StmtCXX.h"
+#include "clang/Frontend/CodeGenOptions.h"
 
 using namespace clang;
 using namespace CodeGen;
@@ -1140,6 +1141,16 @@ CodeGenFunction::EmitCXXConstructorCall(const CXXConstructorDecl *D,
                                         llvm::Value *This,
                                         CallExpr::const_arg_iterator ArgBeg,
                                         CallExpr::const_arg_iterator ArgEnd) {
+
+  CGDebugInfo *DI = getDebugInfo();
+  if (DI && CGM.getCodeGenOpts().LimitDebugInfo) {
+    // If debug info for this class has been emitted then this is the right time
+    // to do so.
+    const CXXRecordDecl *Parent = D->getParent();
+    DI->getOrCreateRecordType(CGM.getContext().getTypeDeclType(Parent),
+                              Parent->getLocation());
+  }
+
   if (D->isTrivial()) {
     if (ArgBeg == ArgEnd) {
       // Trivial default constructor, no codegen required.
diff --git a/test/CodeGenCXX/debug-info-limit.cpp b/test/CodeGenCXX/debug-info-limit.cpp
new file mode 100644
index 0000000000..75f9271b00
--- /dev/null
+++ b/test/CodeGenCXX/debug-info-limit.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang  -emit-llvm -g -S %s -o - | FileCheck %s
+
+// TAG_member is used to encode debug info for class constructor.
+// CHECK: TAG_member
+class A {
+public:
+  int z;
+};
+
+A *foo () {
+  A *a = new A();
+  return a;
+}
+