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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

llvm-svn: 157970
This commit is contained in:
Eric Christopher 2012-06-05 00:15:06 +00:00
parent 974759fd8b
commit f5dad49a65
4 changed files with 29 additions and 13 deletions
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8
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -991,8 +991,12 @@ CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DIFile Unit,
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) {

2
clang/test/CodeGenCXX/debug-info-template-member.cpp
View File

@ -17,5 +17,5 @@ private:
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 {{.*}}

14
clang/test/CodeGenCXX/debug-info-user-def.cpp Normal file
View File

@ -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 ]

18
clang/test/CodeGenCXX/debug-lambda-expressions.cpp
View File

@ -31,41 +31,39 @@ int d(int x) { D y[10]; [x,y] { return y[x].x; }(); }
// 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 !{{.*}}}