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DebugInfo: Support imported modules (using directives) within lexical blocks. 

llvm-svn: 181272
This commit is contained in:
David Blaikie 2013-05-06 23:33:13 +00:00
parent 684fc5331e
commit fd5aa13549
2 changed files with 16 additions and 7 deletions
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7
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -2930,9 +2930,12 @@ void CGDebugInfo::EmitGlobalVariable(const ValueDecl *VD,
}
void CGDebugInfo::EmitUsingDirective(const UsingDirectiveDecl &UD) {
llvm::DIScope Scope =
LexicalBlockStack.empty()
? getContextDescriptor(cast<Decl>(UD.getDeclContext()))
: llvm::DIScope(LexicalBlockStack.back());
DBuilder.createImportedModule(
getContextDescriptor(cast<Decl>(UD.getDeclContext())),
getOrCreateNameSpace(UD.getNominatedNamespace()),
Scope, getOrCreateNameSpace(UD.getNominatedNamespace()),
getLineNumber(UD.getLocation()));
}

16
clang/test/CodeGenCXX/debug-info-namespace.cpp
View File

@ -10,9 +10,13 @@ using namespace B;
using namespace A;
int func() {
using namespace A::B;
return i;
int func(bool b) {
if (b) {
using namespace A::B;
return i;
}
using namespace A;
return B::i;
}
// CHECK: [[CU:![0-9]*]] = {{.*}}[[MODULES:![0-9]*]], metadata !""} ; [ DW_TAG_compile_unit ]
@ -22,10 +26,12 @@ int func() {
// CHECK: [[VAR:![0-9]*]] = {{.*}}, metadata [[NS:![0-9]*]], metadata !"i", {{.*}} ; [ DW_TAG_variable ] [i]
// CHECK: [[NS]] = {{.*}}, metadata [[FILE2]], metadata [[CTXT:![0-9]*]], {{.*}} ; [ DW_TAG_namespace ] [B] [line 1]
// CHECK: [[CTXT]] = {{.*}}, metadata [[FILE]], null, {{.*}} ; [ DW_TAG_namespace ] [A] [line 3]
// CHECK: [[MODULES]] = metadata !{metadata [[M1:![0-9]*]], metadata [[M2:![0-9]*]], metadata [[M3:![0-9]*]]}
// CHECK: [[MODULES]] = metadata !{metadata [[M1:![0-9]*]], metadata [[M2:![0-9]*]], metadata [[M3:![0-9]*]], metadata [[M4:![0-9]*]]}
// CHECK: [[M1]] = metadata !{i32 {{[0-9]*}}, metadata [[CTXT]], metadata [[NS]], i32 4} ; [ DW_TAG_imported_module ]
// CHECK: [[M2]] = metadata !{i32 {{[0-9]*}}, metadata [[CU]], metadata [[CTXT]], i32 7} ; [ DW_TAG_imported_module ]
// CHECK: [[M3]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[NS]], i32 10} ; [ DW_TAG_imported_module ]
// CHECK: [[M3]] = metadata !{i32 {{[0-9]*}}, metadata [[LEX:![0-9]*]], metadata [[NS]], i32 11} ; [ DW_TAG_imported_module ]
// CHECK: [[LEX]] = metadata !{i32 {{[0-9]*}}, metadata [[FILE2]], metadata [[FUNC]], i32 10, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
// CHECK: [[M4]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[CTXT]], i32 14} ; [ DW_TAG_imported_module ]
// FIXME: It is confused on win32 to generate file entry when dosish filename is given.
// REQUIRES: shell