[llvm] r177487 - Test DW_TAG_namespace support in the backend

[David Blaikie]

Author: dblaikie
Date: Wed Mar 20 00:15:37 2013
New Revision: 177487

URL: http://llvm.org/viewvc/llvm-project?rev=177487&view=rev
Log:
Test DW_TAG_namespace support in the backend

This is the backend portion of a Clang test case
(clang/test/CodeGenCXX/debug-info-namespace.cpp) that was roughly/coarsely
testing LLVM.

Added:
    llvm/trunk/test/DebugInfo/namespace.ll

Added: llvm/trunk/test/DebugInfo/namespace.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/namespace.ll?rev=177487&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/namespace.ll (added)
+++ llvm/trunk/test/DebugInfo/namespace.ll Wed Mar 20 00:15:37 2013
@@ -0,0 +1,25 @@
+; RUN: llc -O0 -filetype=obj < %s > %t
+; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
+; CHECK: DW_TAG_namespace
+; CHECK-NOT: NULL
+; CHECK: DW_TAG_variable
+; CHECK-NEXT: DW_AT_name{{.*}}= "i"
+
+; IR generated from clang/test/CodeGenCXX/debug-info-namespace.cpp, file paths
+; changed to protect the guilty. The C++ source code is simply:
+; namespace A {
+; int i;
+; }
+
+ at _ZN1A1iE = global i32 0, align 4
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 786449, i32 0, i32 4, metadata !1, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !3, metadata !3, metadata !3, metadata !4, metadata !""} ; [ DW_TAG_compile_unit ] [/home/foobar/debug-info-namespace.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{i32 786473, metadata !2}          ; [ DW_TAG_file_type ] [/home/foobar/debug-info-namespace.cpp]
+!2 = metadata !{metadata !"debug-info-namespace.cpp", metadata !"/home/foobar/"}
+!3 = metadata !{i32 0}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 786484, i32 0, metadata !6, metadata !"i", metadata !"i", metadata !"_ZN1A1iE", metadata !1, i32 4, metadata !7, i32 0, i32 1, i32* @_ZN1A1iE, null} ; [ DW_TAG_variable ] [i] [line 4] [def]
+!6 = metadata !{i32 786489, null, metadata !"A", metadata !1, i32 3} ; [ DW_TAG_namespace ] [A] [line 3]
+!7 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]