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Do not include types without any definition in pubtypes list.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101171 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-04-13 20:35:04 +00:00
parent c15d9135a8
commit 50d80e394d
2 changed files with 52 additions and 2 deletions
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6
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1612,7 +1612,8 @@ void DwarfDebug::addPubTypes(DISubprogram SP) {
if (!ATy.isValid())
continue;
DICompositeType CATy = getDICompositeType(ATy);
if (DIDescriptor(CATy.getNode()).Verify() && !CATy.getName().empty()) {
if (DIDescriptor(CATy.getNode()).Verify() && !CATy.getName().empty()
&& !CATy.isForwardDecl()) {
if (DIEEntry *Entry = ModuleCU->getDIEEntry(CATy.getNode()))
ModuleCU->addGlobalType(CATy.getName(), Entry->getEntry());
}
@ -1804,7 +1805,8 @@ void DwarfDebug::constructGlobalVariableDIE(MDNode *N) {
ModuleCU->addGlobal(DI_GV.getName(), VariableDie);
DIType GTy = DI_GV.getType();
if (GTy.isCompositeType() && !GTy.getName().empty()) {
if (GTy.isCompositeType() && !GTy.getName().empty()
&& !GTy.isForwardDecl()) {
DIEEntry *Entry = ModuleCU->getDIEEntry(GTy.getNode());
assert(Entry && "Missing global type!");
ModuleCU->addGlobalType(GTy.getName(), Entry->getEntry());

48
test/DebugInfo/2010-04-13-PubType.ll Normal file
View File

@ -0,0 +1,48 @@
; RUN: llc -O0 -asm-verbose < %s > %t
; RUN: grep "External Name" %t | grep -v X
; RUN: grep "External Name" %t | grep Y | count 1
; Test to check type with no defintion is listed in pubtypes section.
%struct.X = type opaque
%struct.Y = type { i32 }
define i32 @foo(%struct.X* %x, %struct.Y* %y) nounwind ssp {
entry:
%x_addr = alloca %struct.X* ; <%struct.X**> [#uses=1]
%y_addr = alloca %struct.Y* ; <%struct.Y**> [#uses=1]
%retval = alloca i32 ; <i32*> [#uses=2]
%0 = alloca i32 ; <i32*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.declare(metadata !{%struct.X** %x_addr}, metadata !0), !dbg !13
store %struct.X* %x, %struct.X** %x_addr
call void @llvm.dbg.declare(metadata !{%struct.Y** %y_addr}, metadata !14), !dbg !13
store %struct.Y* %y, %struct.Y** %y_addr
store i32 0, i32* %0, align 4, !dbg !13
%1 = load i32* %0, align 4, !dbg !13 ; <i32> [#uses=1]
store i32 %1, i32* %retval, align 4, !dbg !13
br label %return, !dbg !13
return: ; preds = %entry
%retval1 = load i32* %retval, !dbg !13 ; <i32> [#uses=1]
ret i32 %retval1, !dbg !15
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!0 = metadata !{i32 524545, metadata !1, metadata !"x", metadata !2, i32 7, metadata !7} ; [ DW_TAG_arg_variable ]
!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 7, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
!2 = metadata !{i32 524329, metadata !"a.c", metadata !"/tmp/", metadata !3} ; [ DW_TAG_file_type ]
!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"a.c", metadata !"/tmp/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
!5 = metadata !{metadata !6, metadata !7, metadata !9}
!6 = metadata !{i32 524324, metadata !2, metadata !"int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!7 = metadata !{i32 524303, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !8} ; [ DW_TAG_pointer_type ]
!8 = metadata !{i32 524307, metadata !2, metadata !"X", metadata !2, i32 3, i64 0, i64 0, i64 0, i32 4, null, null, i32 0, null} ; [ DW_TAG_structure_type ]
!9 = metadata !{i32 524303, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ]
!10 = metadata !{i32 524307, metadata !2, metadata !"Y", metadata !2, i32 4, i64 32, i64 32, i64 0, i32 0, null, metadata !11, i32 0, null} ; [ DW_TAG_structure_type ]
!11 = metadata !{metadata !12}
!12 = metadata !{i32 524301, metadata !10, metadata !"x", metadata !2, i32 5, i64 32, i64 32, i64 0, i32 0, metadata !6} ; [ DW_TAG_member ]
!13 = metadata !{i32 7, i32 0, metadata !1, null}
!14 = metadata !{i32 524545, metadata !1, metadata !"y", metadata !2, i32 7, metadata !9} ; [ DW_TAG_arg_variable ]
!15 = metadata !{i32 7, i32 0, metadata !16, null}
!16 = metadata !{i32 524299, metadata !1, i32 7, i32 0} ; [ DW_TAG_lexical_block ]