Only emit debug information for methods that are user defined, there's
not much reason to emit for constructors and destructors that aren't
user defined.
rdar://11593099
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157970 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index e879175..07ddc33 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -991,8 +991,12 @@
if (D->isImplicit() && !D->isUsed())
continue;
- if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D))
- EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy));
+ if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D)) {
+ // Only emit debug information for user provided functions, we're
+ // unlikely to want info for artificial functions.
+ if (Method->isUserProvided())
+ EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy));
+ }
else if (FunctionTemplateDecl *FTD = dyn_cast<FunctionTemplateDecl>(D))
for (FunctionTemplateDecl::spec_iterator SI = FTD->spec_begin(),
SE = FTD->spec_end(); SI != SE; ++SI) {
diff --git a/test/CodeGenCXX/debug-info-template-member.cpp b/test/CodeGenCXX/debug-info-template-member.cpp
index 6208c80..f21718d 100644
--- a/test/CodeGenCXX/debug-info-template-member.cpp
+++ b/test/CodeGenCXX/debug-info-template-member.cpp
@@ -17,5 +17,5 @@
MyClass m;
// CHECK: metadata !{i32 {{.*}}, null, metadata !"MyClass", metadata {{.*}}, i32 {{.*}}, i64 8, i64 8, i32 0, i32 0, null, metadata [[C_MEM:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[C_MEM]] = metadata !{metadata {{.*}}, metadata [[C_TEMP:.*]], metadata {{.*}}}
+// CHECK: [[C_MEM]] = metadata !{metadata {{.*}}, metadata [[C_TEMP:.*]]}
// CHECK: [[C_TEMP]] = metadata !{i32 {{.*}}, i32 0, metadata {{.*}}, metadata !"add<2>", metadata !"add<2>", metadata !"_ZN7MyClass3addILi2EEEii", metadata {{.*}}
diff --git a/test/CodeGenCXX/debug-info-user-def.cpp b/test/CodeGenCXX/debug-info-user-def.cpp
new file mode 100644
index 0000000..ecd3878
--- /dev/null
+++ b/test/CodeGenCXX/debug-info-user-def.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin -std=c++11 %s -o - | FileCheck %s
+
+class A {
+};
+
+template <typename T> class B {
+ T t;
+};
+
+A a;
+B<int> b;
+
+// Check that no subprograms are emitted into debug info.
+// CHECK-NOT: [ DW_TAG_subprogram ]
diff --git a/test/CodeGenCXX/debug-lambda-expressions.cpp b/test/CodeGenCXX/debug-lambda-expressions.cpp
index 859a71b..ade2c5c 100644
--- a/test/CodeGenCXX/debug-lambda-expressions.cpp
+++ b/test/CodeGenCXX/debug-lambda-expressions.cpp
@@ -31,41 +31,39 @@
// Back to D. -- 120
// CHECK: [[LAM_D:.*]] = metadata !{i32 {{.*}}, metadata [[D_FUNC]], metadata !"", metadata [[FILE]], i32 [[D_LINE]], i64 352, i64 32, i32 0, i32 0, null, metadata [[LAM_D_ARGS:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[LAM_D_ARGS]] = metadata !{metadata [[CAP_D_X:.*]], metadata [[CAP_D_Y:.*]], metadata [[CON_LAM_D:.*]], metadata [[DES_LAM_D:.*]]}
+// CHECK: [[LAM_D_ARGS]] = metadata !{metadata [[CAP_D_X:.*]], metadata [[CAP_D_Y:.*]], metadata [[CON_LAM_D:.*]]}
// CHECK: [[CAP_D_X]] = metadata !{i32 {{.*}}, metadata [[LAM_D]], metadata !"x", metadata [[FILE]], i32 14, i64 32, i64 32, i64 0, i32 1, metadata {{.*}} ; [ DW_TAG_member ]
// CHECK: [[CAP_D_Y]] = metadata !{i32 {{.*}}, metadata [[LAM_D]], metadata !"y", metadata [[FILE]], i32 14, i64 320, i64 32, i64 32, i32 1, metadata {{.*}} ; [ DW_TAG_member ]
// CHECK: [[CON_LAM_D]] = metadata {{.*}}[[LAM_D]], metadata !"operator()", metadata !"operator()"{{.*}}[ DW_TAG_subprogram ]
-// CHECK: [[DES_LAM_D]] = metadata {{.*}}[[LAM_D]], metadata !"~", metadata !"~"{{.*}}[ DW_TAG_subprogram ]
// Back to C. -- 159
// CHECK: [[LAM_C:.*]] = metadata !{i32 {{.*}}, metadata [[C_FUNC]], metadata !"", metadata [[FILE]], i32 [[C_LINE]], i64 64, i64 64, i32 0, i32 0, null, metadata [[LAM_C_ARGS:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[LAM_C_ARGS]] = metadata !{metadata [[CAP_C:.*]], metadata [[CON_LAM_C:.*]], metadata [[DES_LAM_C:.*]]}
+// CHECK: [[LAM_C_ARGS]] = metadata !{metadata [[CAP_C:.*]], metadata [[CON_LAM_C:.*]]}
// Ignoring the member type for now.
// CHECK: [[CAP_C]] = metadata !{i32 {{.*}}, metadata [[LAM_C]], metadata !"x", metadata [[FILE]], i32 [[C_LINE]], i64 64, i64 64, i64 0, i32 1, metadata {{.*}}} ; [ DW_TAG_member ]
// CHECK: [[CON_LAM_C]] = metadata {{.*}}[[LAM_C]], metadata !"operator()", metadata !"operator()"{{.*}}[ DW_TAG_subprogram ]
-// CHECK: [[DES_LAM_C]] = metadata {{.*}}[[LAM_C]], metadata !"~", metadata !"~"{{.*}}[ DW_TAG_subprogram ]
// Back to B. -- 179
// CHECK: [[LAM_B:.*]] = metadata !{i32 {{.*}}, metadata [[B_FUNC]], metadata !"", metadata [[FILE]], i32 [[B_LINE]], i64 32, i64 32, i32 0, i32 0, null, metadata [[LAM_B_ARGS:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[LAM_B_ARGS]] = metadata !{metadata [[CAP_B:.*]], metadata [[CON_LAM_B:.*]], metadata [[DES_LAM_B:.*]]}
+// CHECK: [[LAM_B_ARGS]] = metadata !{metadata [[CAP_B:.*]], metadata [[CON_LAM_B:.*]]}
// CHECK: [[CAP_B]] = metadata !{i32 {{.*}}, metadata [[LAM_B]], metadata !"x", metadata [[FILE]], i32 [[B_LINE]], i64 32, i64 32, i64 0, i32 1, metadata {{.*}}} ; [ DW_TAG_member ]
// CHECK: [[CON_LAM_B]] = metadata {{.*}}[[LAM_B]], metadata !"operator()", metadata !"operator()"{{.*}}[ DW_TAG_subprogram ]
-// CHECK: [[DES_LAM_B]] = metadata {{.*}}[[LAM_B]], metadata !"~", metadata !"~"{{.*}}[ DW_TAG_subprogram ]
+
// Back to A. -- 204
// CHECK: [[LAM_A:.*]] = metadata !{i32 {{.*}}, metadata [[A_FUNC]], metadata !"", metadata [[FILE]], i32 [[A_LINE]], i64 8, i64 8, i32 0, i32 0, null, metadata [[LAM_A_ARGS:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[LAM_A_ARGS]] = metadata !{metadata [[CON_LAM_A:.*]], metadata [[DES_LAM_A:.*]]}
+// CHECK: [[LAM_A_ARGS]] = metadata !{metadata [[CON_LAM_A:.*]]}
// CHECK: [[CON_LAM_A]] = metadata {{.*}}[[LAM_A]], metadata !"operator()", metadata !"operator()"{{.*}}[ DW_TAG_subprogram ]
-// CHECK: [[DES_LAM_A]] = metadata {{.*}}[[LAM_A]], metadata !"~", metadata !"~"{{.*}}[ DW_TAG_subprogram ]
+
// VAR:
// CHECK: metadata !{i32 {{.*}}, i32 0, null, metadata !"var", metadata !"var", metadata !"", metadata [[FILE]], i32 [[VAR_LINE:.*]], metadata ![[VAR_T:.*]], i32 1, i32 1, %class.anon* @var} ; [ DW_TAG_variable ]
// CHECK: [[VAR_T]] = metadata !{i32 {{.*}}, null, metadata !"", metadata [[FILE]], i32 [[VAR_LINE]], i64 8, i64 8, i32 0, i32 0, null, metadata ![[VAR_ARGS:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[VAR_ARGS]] = metadata !{metadata !{{.*}}, metadata !{{.*}}, metadata !{{.*}}}
+// CHECK: [[VAR_ARGS]] = metadata !{metadata !{{.*}}}
// CVAR:
// CHECK: metadata !{i32 {{.*}}, i32 0, null, metadata !"cvar", metadata !"cvar", metadata !"", metadata [[FILE]], i32 [[CVAR_LINE:.*]], metadata ![[CVAR_T:.*]], i32 0, i32 1, %class.anon.0* @cvar} ; [ DW_TAG_variable ]
// CHECK: [[CVAR_T]] = metadata !{i32 {{.*}}, null, metadata !"", metadata [[FILE]], i32 [[CVAR_LINE]], i64 8, i64 8, i32 0, i32 0, null, metadata ![[CVAR_ARGS:.*]], i32 0, null, null} ; [ DW_TAG_class_type ]
-// CHECK: [[CVAR_ARGS]] = metadata !{metadata !{{.*}}, metadata !{{.*}}, metadata !{{.*}}}
+// CHECK: [[CVAR_ARGS]] = metadata !{metadata !{{.*}}}