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Changing DebugInfoFinder to iterate over all the compile units.

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Solves http://llvm.org/bugs/show_bug.cgi?id=17507

Committed on behalf of alon.mishne@intel.com

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192879 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Kuperstein 2013-10-17 10:27:12 +00:00
parent 2fee43f9b2
commit c3b6e80d29
2 changed files with 1459 additions and 1421 deletions
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2
lib/IR/DebugInfo.cpp
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@ -991,8 +991,6 @@ void DebugInfoFinder::processModule(const Module &M) {
else if (Entity.isNameSpace())
processScope(DINameSpace(Entity).getContext());
}
// FIXME: We really shouldn't be bailing out after visiting just one CU
return;
}
}
}

40
test/DebugInfo/debuginfofinder-multiple-cu.ll Normal file
View File

@ -0,0 +1,40 @@
; RUN: opt -analyze -module-debuginfo < %s | FileCheck %s
; Produced from linking:
; /tmp/test1.c containing f()
; /tmp/test2.c containing g()
; Verify that both compile units and both their contained functions are
; listed by DebugInfoFinder:
;CHECK: Compile Unit: [ DW_TAG_compile_unit ] [/tmp/test1.c] [DW_LANG_C99]
;CHECK: Compile Unit: [ DW_TAG_compile_unit ] [/tmp/test2.c] [DW_LANG_C99]
;CHECK: Subprogram: [ DW_TAG_subprogram ] [line 1] [def] [f]
;CHECK: Subprogram: [ DW_TAG_subprogram ] [line 1] [def] [g]
define void @f() {
ret void, !dbg !14
}
define void @g() {
ret void, !dbg !15
}
!llvm.dbg.cu = !{!0, !8}
!llvm.module.flags = !{!13}
!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 (192092)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/test1.c] [DW_LANG_C99]
!1 = metadata !{metadata !"test1.c", metadata !"/tmp"}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"f", metadata !"f", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @f, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [f]
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/test1.c]
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = metadata !{null}
!8 = metadata !{i32 786449, metadata !9, i32 12, metadata !"clang version 3.4 (192092)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !10, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/test2.c] [DW_LANG_C99]
!9 = metadata !{metadata !"test2.c", metadata !"/tmp"}
!10 = metadata !{metadata !11}
!11 = metadata !{i32 786478, metadata !9, metadata !12, metadata !"g", metadata !"g", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @g, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [g]
!12 = metadata !{i32 786473, metadata !9} ; [ DW_TAG_file_type ] [/tmp/test2.c]
!13 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!14 = metadata !{i32 1, i32 0, metadata !4, null}
!15 = metadata !{i32 1, i32 0, metadata !11, null}