Debug info: (Bugfix) emit CRV qualifiers for pointers to member functions.

rdar://problem/15678916.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@197641 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 5483e27693c8cec7d63fa74d80e73c6588754e3c..2aa3753a59ea2347fa179b6c6587586e3d93c0a3 100644 (file)
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1839,11 +1839,13 @@ llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty,
   if (!Ty->getPointeeType()->isFunctionType())
     return DBuilder.createMemberPointerType(
         getOrCreateType(Ty->getPointeeType(), U), ClassType);
+
+  const FunctionProtoType *FPT =
+    Ty->getPointeeType()->getAs<FunctionProtoType>();
   return DBuilder.createMemberPointerType(getOrCreateInstanceMethodType(
-      CGM.getContext().getPointerType(
-          QualType(Ty->getClass(), Ty->getPointeeType().getCVRQualifiers())),
-      Ty->getPointeeType()->getAs<FunctionProtoType>(), U),
-                                          ClassType);
+      CGM.getContext().getPointerType(QualType(Ty->getClass(),
+                                               FPT->getTypeQuals())),
+      FPT, U), ClassType);
 }
 
 llvm::DIType CGDebugInfo::CreateType(const AtomicType *Ty,

diff --git a/test/CodeGenCXX/debug-info-qualifiers.cpp b/test/CodeGenCXX/debug-info-qualifiers.cpp
index 9139b1d2ff91ca8a05db66696bcf13e492427791..c6b935f9039a55daf73010db0202072e774571e3 100644 (file)
--- a/test/CodeGenCXX/debug-info-qualifiers.cpp
+++ b/test/CodeGenCXX/debug-info-qualifiers.cpp
@@ -1,23 +1,26 @@
 // RUN: %clang_cc1 -std=c++11 -emit-llvm -g -triple x86_64-apple-darwin %s -o - | FileCheck %s
-// Test (r)value qualifiers on C++11 non-static member functions.
+// Test (r)value and CVR qualifiers on C++11 non-static member functions.
 class A {
 public:
-  // CHECK: [ DW_TAG_subprogram ] [line [[@LINE+1]]] [reference] [l]
+  // CHECK: i32 [[@LINE+2]], metadata ![[PLSR:[0-9]+]], {{.*}}[ DW_TAG_subprogram ] [line [[@LINE+2]]] [reference] [l]
+  // CHECK: ![[PLSR]] ={{.*}}[ DW_TAG_subroutine_type ]{{.*}}[reference]
   void l() const &;
-  // CHECK: [ DW_TAG_subprogram ] [line [[@LINE+1]]] [rvalue reference] [r]
+  // CHECK: ![[ARGS:[0-9]+]] = metadata !{null, metadata ![[THIS:[0-9]+]]}
+  // CHECK: ![[THIS]] = {{.*}} metadata ![[CONST_A:.*]]} ; [ DW_TAG_pointer_type ]
+  // CHECK: ![[CONST_A]] = {{.*}} [ DW_TAG_const_type ]
+  // CHECK: i32 [[@LINE+2]], metadata ![[PRSR:[0-9]+]], {{.*}}[ DW_TAG_subprogram ] [line [[@LINE+2]]] [rvalue reference] [r]
+  // CHECK: ![[PRSR]] ={{.*}}metadata ![[ARGS]], i32 0, null, null, null}{{.*}}[ DW_TAG_subroutine_type ]{{.*}}[rvalue reference]
   void r() const &&;
 };
 
 void g() {
   A a;
   // The type of pl is "void (A::*)() const &".
-  // CHECK: metadata ![[PL:[0-9]+]], i32 0, i32 0} ; [ DW_TAG_auto_variable ] [pl] [line [[@LINE+3]]]
-  // CHECK: metadata ![[PLSR:[0-9]+]], metadata !"{{.*}}"} ; [ DW_TAG_ptr_to_member_type ]
-  // CHECK: ![[PLSR]] ={{.*}}[ DW_TAG_subroutine_type ]{{.*}}[reference]
+  // CHECK: metadata ![[PL:[0-9]+]], i32 0, i32 0} ; [ DW_TAG_auto_variable ] [pl] [line [[@LINE+2]]]
+  // CHECK: metadata ![[PLSR]], metadata !"{{.*}}"} ; [ DW_TAG_ptr_to_member_type ]
   auto pl = &A::l;
 
-  // CHECK: metadata ![[PR:[0-9]+]], i32 0, i32 0} ; [ DW_TAG_auto_variable ] [pr] [line [[@LINE+3]]]
-  // CHECK: metadata ![[PRSR:[0-9]+]], metadata !"{{.*}}"} ; [ DW_TAG_ptr_to_member_type ]
-  // CHECK: ![[PRSR]] ={{.*}}[ DW_TAG_subroutine_type ]{{.*}}[rvalue reference]
+  // CHECK: metadata ![[PR:[0-9]+]], i32 0, i32 0} ; [ DW_TAG_auto_variable ] [pr] [line [[@LINE+2]]]
+  // CHECK: metadata ![[PRSR]], metadata !"{{.*}}"} ; [ DW_TAG_ptr_to_member_type ]
   auto pr = &A::r;
 }