When dumping vtables, dump whether a virtual member function is pure or not.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95963 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 27 insertions, 1 deletions

diff --git a/lib/CodeGen/CGVtable.cpp b/lib/CodeGen/CGVtable.cpp
index eeee22c275..09d6067f46 100644
--- a/lib/CodeGen/CGVtable.cpp
+++ b/lib/CodeGen/CGVtable.cpp
@@ -500,7 +500,6 @@ public:
 
   /// dumpLayout - Dump the vtable layout.
   void dumpLayout(llvm::raw_ostream&);
-  
 };
 
 void VtableBuilder::layoutSimpleVtable(const CXXRecordDecl *RD) {
@@ -593,6 +592,9 @@ void VtableBuilder::dumpLayout(llvm::raw_ostream& Out) {
         PredefinedExpr::ComputeName(PredefinedExpr::PrettyFunctionNoVirtual, 
                                     MD);
       Out << Str;
+      if (MD->isPure())
+        Out << " [pure]";
+
       break;
     }
 
@@ -600,6 +602,9 @@ void VtableBuilder::dumpLayout(llvm::raw_ostream& Out) {
       const CXXDestructorDecl *DD = Component.getDestructorDecl();
       
       Out << DD->getQualifiedNameAsString() << "() [complete]";
+      if (DD->isPure())
+        Out << " [pure]";
+
       break;
     }
 
@@ -607,6 +612,9 @@ void VtableBuilder::dumpLayout(llvm::raw_ostream& Out) {
       const CXXDestructorDecl *DD = Component.getDestructorDecl();
       
       Out << DD->getQualifiedNameAsString() << "() [deleting]";
+      if (DD->isPure())
+        Out << " [pure]";
+
       break;
     }
 
diff --git a/test/CodeGenCXX/vtable-layout.cpp b/test/CodeGenCXX/vtable-layout.cpp
index c59eff0abf..3f7e18a095 100644
--- a/test/CodeGenCXX/vtable-layout.cpp
+++ b/test/CodeGenCXX/vtable-layout.cpp
@@ -39,4 +39,22 @@ struct A {
 
 void A::f() { }
 
+// Another simple vtable dumper test.
+// CHECK:     Vtable for 'Test2::B' (6 entries).
+// CHECK-NEXT:  0 | offset_to_top (0)
+// CHECK-NEXT:  1 | Test2::B RTTI
+// CHECK-NEXT:    -- (Test2::B, 0) vtable address --
+// CHECK-NEXT:  2 | void Test2::B::f()
+// CHECK-NEXT:  3 | void Test2::B::g() [pure]
+// CHECK-NEXT:  4 | Test2::B::~B() [complete] [pure]
+// CHECK-NEXT:  5 | Test2::B::~B() [deleting] [pure]
+
+struct B {
+  virtual void f();
+  virtual void g() = 0;
+  virtual ~B() = 0;
+};
+
+void B::f() { }
+
 }