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authorDavid Blaikie <dblaikie@gmail.com>2013-05-06 23:33:13 +0000
committerDavid Blaikie <dblaikie@gmail.com>2013-05-06 23:33:13 +0000
commitc2fc4ab28c13ebc1da5828e12e638514d4d777dc (patch)
tree49af2f623f054d6fe66587788f92f9ed32dcb91b
parent481da5554d03271b0d87b695449963f7728c5895 (diff)
DebugInfo: Support imported modules (using directives) within lexical blocks.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181272 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/CGDebugInfo.cpp7
-rw-r--r--test/CodeGenCXX/debug-info-namespace.cpp16
2 files changed, 16 insertions, 7 deletions
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 6beba66c79..ddcb931e46 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -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()));
}
diff --git a/test/CodeGenCXX/debug-info-namespace.cpp b/test/CodeGenCXX/debug-info-namespace.cpp
index 1033bce943..13a7914b7b 100644
--- a/test/CodeGenCXX/debug-info-namespace.cpp
+++ b/test/CodeGenCXX/debug-info-namespace.cpp
@@ -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