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Fix PR 7662. 

Do not try to insert local variable info to a DIE used for function declaration.

llvm-svn: 108731
This commit is contained in:
Devang Patel 2010-07-19 17:53:55 +00:00
parent 8d3ba7349c
commit 18efced1a2
2 changed files with 25 additions and 0 deletions
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1
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2032,6 +2032,7 @@ void DwarfDebug::endModule() {
if (!SP.Verify()) continue;
// Collect info for variables that were optimized out.
if (!SP.isDefinition()) continue;
StringRef FName = SP.getLinkageName();
if (FName.empty())
FName = SP.getName();

24
llvm/test/DebugInfo/2010-07-19-Crash.ll Normal file
View File

@ -0,0 +1,24 @@
; RUN: llc -o /dev/null < %s
; PR7662
; Do not add variables to !11 because it is a declaration entry.
define i32 @bar() nounwind readnone ssp {
entry:
ret i32 42, !dbg !9
}
!llvm.dbg.sp = !{!0, !6, !11}
!llvm.dbg.lv.foo = !{!7}
!0 = metadata !{i32 524334, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"bar", metadata !1, i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 ()* @bar} ; [ DW_TAG_subprogram ]
!1 = metadata !{i32 524329, metadata !"one.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 524305, i32 0, i32 12, metadata !"one.c", metadata !".", metadata !"clang 2.8", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
!4 = metadata !{metadata !5}
!5 = metadata !{i32 524324, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!6 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 7, metadata !3, i1 true, i1 true, i32 0, i32 0, null, i1 false, i1 true, null} ; [ DW_TAG_subprogram ]
!11 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 7, metadata !3, i1 true, i1 false, i32 0, i32 0, null, i1 false, i1 true, null} ; [ DW_TAG_subprogram ]
!7 = metadata !{i32 524544, metadata !8, metadata !"one", metadata !1, i32 8, metadata !5} ; [ DW_TAG_auto_variable ]
!8 = metadata !{i32 524299, metadata !6, i32 7, i32 18} ; [ DW_TAG_lexical_block ]
!9 = metadata !{i32 4, i32 3, metadata !10, null}
!10 = metadata !{i32 524299, metadata !0, i32 3, i32 11} ; [ DW_TAG_lexical_block ]