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Remove all debug info related named mdnodes. 

llvm-svn: 107323
This commit is contained in:
Devang Patel 2010-06-30 21:29:00 +00:00
parent 6696e22cc9
commit db735cbbab
2 changed files with 34 additions and 10 deletions
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14
llvm/lib/Transforms/IPO/StripSymbols.cpp
View File

@ -223,15 +223,11 @@ static bool StripDebugInfo(Module &M) {
Changed = true;
}
NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.gv");
if (NMD) {
Changed = true;
NMD->eraseFromParent();
}
NMD = M.getNamedMetadata("llvm.dbg.lv");
if (NMD) {
Changed = true;
for (Module::named_metadata_iterator NMI = M.named_metadata_begin(),
NME = M.named_metadata_end(); NMI != NME;) {
NamedMDNode *NMD = NMI;
++NMI;
if (NMD->getName().startswith("llvm.dbg."))
NMD->eraseFromParent();
}

28
llvm/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll Normal file
View File

@ -0,0 +1,28 @@
; RUN: opt -strip-debug < %s | llvm-dis | grep -v llvm.dbg
@x = common global i32 0 ; <i32*> [#uses=0]
define void @foo() nounwind readnone optsize ssp {
entry:
tail call void @llvm.dbg.value(metadata !9, i64 0, metadata !5), !dbg !10
ret void, !dbg !11
}
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
!llvm.dbg.sp = !{!0}
!llvm.dbg.lv.foo = !{!5}
!llvm.dbg.gv = !{!8}
!0 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, void ()* @foo} ; [ DW_TAG_subprogram ]
!1 = metadata !{i32 524329, metadata !"b.c", metadata !"/tmp", metadata !2} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 524305, i32 0, i32 1, metadata !"b.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", 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 !{null}
!5 = metadata !{i32 524544, metadata !6, metadata !"y", metadata !1, i32 3, metadata !7} ; [ DW_TAG_auto_variable ]
!6 = metadata !{i32 524299, metadata !0, i32 2, i32 0} ; [ DW_TAG_lexical_block ]
!7 = 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 ]
!8 = metadata !{i32 524340, i32 0, metadata !1, metadata !"x", metadata !"x", metadata !"", metadata !1, i32 1, metadata !7, i1 false, i1 true, i32* @x} ; [ DW_TAG_variable ]
!9 = metadata !{i32 0}
!10 = metadata !{i32 3, i32 0, metadata !6, null}
!11 = metadata !{i32 4, i32 0, metadata !6, null}