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https://github.com/c64scene-ar/llvm-6502.git
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Do not lose debug info of an inlined function argument even if the argument is only used through GEPs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125794 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
parent
6ef6ceda68
commit
a4defc00eb
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@ -100,10 +100,6 @@ public:
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return DbgValMap[Node];
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}
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void removeSDDbgValues(const SDNode *Node) {
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DbgValMap.erase(Node);
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}
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typedef SmallVector<SDDbgValue*,32>::iterator DbgIterator;
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DbgIterator DbgBegin() { return DbgValues.begin(); }
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DbgIterator DbgEnd() { return DbgValues.end(); }
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@ -87,6 +87,9 @@ class SelectionDAGLegalize {
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// If someone requests legalization of the new node, return itself.
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if (From != To)
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LegalizedNodes.insert(std::make_pair(To, To));
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// Transfer SDDbgValues.
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DAG.TransferDbgValues(From, To);
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}
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public:
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@ -83,14 +83,6 @@ public:
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// Returns the SDNode* for a register ref
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SDNode *getSDNode() { assert (kind==SDNODE); return u.s.Node; }
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// setSDNode - If underlying SDNode is replaced by another node then
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// SelectionDAG can use this to transfer DbgValue.
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void setSDNode(SDNode *N, unsigned R) {
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assert (kind==SDNODE);
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u.s.Node = N;
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u.s.ResNo = R;
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}
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// Returns the ResNo for a register ref
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unsigned getResNo() { assert (kind==SDNODE); return u.s.ResNo; }
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@ -5508,12 +5508,14 @@ void SelectionDAG::TransferDbgValues(SDValue From, SDValue To) {
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SDNode *FromNode = From.getNode();
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SDNode *ToNode = To.getNode();
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SmallVector<SDDbgValue*,2> &DVs = GetDbgValues(FromNode);
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DbgInfo->removeSDDbgValues(FromNode);
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for (SmallVector<SDDbgValue *, 2>::iterator I = DVs.begin(), E = DVs.end();
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I != E; ++I) {
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if ((*I)->getKind() == SDDbgValue::SDNODE) {
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AddDbgValue(*I, ToNode, false);
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(*I)->setSDNode(ToNode, To.getResNo());
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SDDbgValue *Dbg = *I;
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if (Dbg->getKind() == SDDbgValue::SDNODE) {
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SDDbgValue *Clone = getDbgValue(Dbg->getMDPtr(), ToNode, To.getResNo(),
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Dbg->getOffset(), Dbg->getDebugLoc(),
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Dbg->getOrder());
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AddDbgValue(Clone, ToNode, false);
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}
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}
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}
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@ -4287,7 +4287,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
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N.getResNo(), Offset, dl, SDNodeOrder);
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DAG.AddDbgValue(SDV, N.getNode(), false);
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}
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} else if (isa<PHINode>(V) && !V->use_empty() ) {
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} else if (!V->use_empty() ) {
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// Do not call getValue(V) yet, as we don't want to generate code.
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// Remember it for later.
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DanglingDebugInfo DDI(&DI, dl, SDNodeOrder);
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86
test/CodeGen/X86/dbg-value-inlined-parameter.ll
Normal file
86
test/CodeGen/X86/dbg-value-inlined-parameter.ll
Normal file
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@ -0,0 +1,86 @@
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; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s
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;CHECK: DW_TAG_inlined_subroutine
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;CHECK-NEXT: DW_AT_abstract_origin
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;CHECK-NEXT: DW_AT_low_pc
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;CHECK-NEXT: DW_AT_high_pc
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;CHECK-NEXT: DW_AT_call_file
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;CHECK-NEXT: DW_AT_call_line
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;CHECK-NEXT: DW_TAG_formal_parameter
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;CHECK-NEXT: .ascii "sp" ## DW_AT_name
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%struct.S1 = type { float*, i32 }
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@p = common global %struct.S1 zeroinitializer, align 8
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define i32 @foo(%struct.S1* nocapture %sp, i32 %nums) nounwind optsize ssp {
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entry:
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tail call void @llvm.dbg.value(metadata !{%struct.S1* %sp}, i64 0, metadata !9), !dbg !20
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tail call void @llvm.dbg.value(metadata !{i32 %nums}, i64 0, metadata !18), !dbg !21
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%tmp2 = getelementptr inbounds %struct.S1* %sp, i64 0, i32 1, !dbg !22
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store i32 %nums, i32* %tmp2, align 4, !dbg !22, !tbaa !24
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%call = tail call float* @bar(i32 %nums) nounwind optsize, !dbg !27
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%tmp5 = getelementptr inbounds %struct.S1* %sp, i64 0, i32 0, !dbg !27
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store float* %call, float** %tmp5, align 8, !dbg !27, !tbaa !28
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%cmp = icmp ne float* %call, null, !dbg !29
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%cond = zext i1 %cmp to i32, !dbg !29
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ret i32 %cond, !dbg !29
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}
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declare float* @bar(i32) optsize
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define void @foobar() nounwind optsize ssp {
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entry:
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tail call void @llvm.dbg.value(metadata !30, i64 0, metadata !9) nounwind, !dbg !31
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tail call void @llvm.dbg.value(metadata !34, i64 0, metadata !18) nounwind, !dbg !35
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store i32 1, i32* getelementptr inbounds (%struct.S1* @p, i64 0, i32 1), align 8, !dbg !36, !tbaa !24
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%call.i = tail call float* @bar(i32 1) nounwind optsize, !dbg !37
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store float* %call.i, float** getelementptr inbounds (%struct.S1* @p, i64 0, i32 0), align 8, !dbg !37, !tbaa !28
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ret void, !dbg !38
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}
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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!llvm.dbg.sp = !{!0, !6}
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!llvm.dbg.lv.foo = !{!9, !18}
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!llvm.dbg.gv = !{!19}
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!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 8, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i32 (%struct.S1*, i32)* @foo} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 589865, metadata !"nm2.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"nm2.c", metadata !"/private/tmp", metadata !"clang version 2.9 (trunk 125693)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!4 = metadata !{metadata !5}
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!5 = metadata !{i32 589860, metadata !2, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!6 = metadata !{i32 589870, i32 0, metadata !1, metadata !"foobar", metadata !"foobar", metadata !"", metadata !1, i32 15, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 true, void ()* @foobar} ; [ DW_TAG_subprogram ]
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!7 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!8 = metadata !{null}
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!9 = metadata !{i32 590081, metadata !0, metadata !"sp", metadata !1, i32 7, metadata !10, i32 0} ; [ DW_TAG_arg_variable ]
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!10 = metadata !{i32 589839, metadata !2, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
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!11 = metadata !{i32 589846, metadata !2, metadata !"S1", metadata !1, i32 4, i64 0, i64 0, i64 0, i32 0, metadata !12} ; [ DW_TAG_typedef ]
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!12 = metadata !{i32 589843, metadata !2, metadata !"S1", metadata !1, i32 1, i64 128, i64 64, i32 0, i32 0, i32 0, metadata !13, i32 0, i32 0} ; [ DW_TAG_structure_type ]
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!13 = metadata !{metadata !14, metadata !17}
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!14 = metadata !{i32 589837, metadata !1, metadata !"m", metadata !1, i32 2, i64 64, i64 64, i64 0, i32 0, metadata !15} ; [ DW_TAG_member ]
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!15 = metadata !{i32 589839, metadata !2, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !16} ; [ DW_TAG_pointer_type ]
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!16 = metadata !{i32 589860, metadata !2, metadata !"float", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
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!17 = metadata !{i32 589837, metadata !1, metadata !"nums", metadata !1, i32 3, i64 32, i64 32, i64 64, i32 0, metadata !5} ; [ DW_TAG_member ]
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!18 = metadata !{i32 590081, metadata !0, metadata !"nums", metadata !1, i32 7, metadata !5, i32 0} ; [ DW_TAG_arg_variable ]
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!19 = metadata !{i32 589876, i32 0, metadata !2, metadata !"p", metadata !"p", metadata !"", metadata !1, i32 14, metadata !11, i32 0, i32 1, %struct.S1* @p} ; [ DW_TAG_variable ]
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!20 = metadata !{i32 7, i32 13, metadata !0, null}
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!21 = metadata !{i32 7, i32 21, metadata !0, null}
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!22 = metadata !{i32 9, i32 3, metadata !23, null}
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!23 = metadata !{i32 589835, metadata !0, i32 8, i32 1, metadata !1, i32 0} ; [ DW_TAG_lexical_block ]
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!24 = metadata !{metadata !"int", metadata !25}
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!25 = metadata !{metadata !"omnipotent char", metadata !26}
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!26 = metadata !{metadata !"Simple C/C++ TBAA", null}
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!27 = metadata !{i32 10, i32 3, metadata !23, null}
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!28 = metadata !{metadata !"any pointer", metadata !25}
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!29 = metadata !{i32 11, i32 3, metadata !23, null}
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!30 = metadata !{%struct.S1* @p}
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!31 = metadata !{i32 7, i32 13, metadata !0, metadata !32}
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!32 = metadata !{i32 16, i32 3, metadata !33, null}
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!33 = metadata !{i32 589835, metadata !6, i32 15, i32 15, metadata !1, i32 1} ; [ DW_TAG_lexical_block ]
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!34 = metadata !{i32 1}
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!35 = metadata !{i32 7, i32 21, metadata !0, metadata !32}
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!36 = metadata !{i32 9, i32 3, metadata !23, metadata !32}
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!37 = metadata !{i32 10, i32 3, metadata !23, metadata !32}
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!38 = metadata !{i32 17, i32 1, metadata !33, null}
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