[llvm] 1b58917 - Revert "[DebugInfo] Correctly track SDNode dependencies for list debug values"

Stephen Tozer via llvm-commits llvm-commits at lists.llvm.org
Thu Apr 8 09:56:17 PDT 2021


Author: Stephen Tozer
Date: 2021-04-08T17:55:45+01:00
New Revision: 1b589172bd19b83e8137185ed11f50bba06e8766

URL: https://github.com/llvm/llvm-project/commit/1b589172bd19b83e8137185ed11f50bba06e8766
DIFF: https://github.com/llvm/llvm-project/commit/1b589172bd19b83e8137185ed11f50bba06e8766.diff

LOG: Revert "[DebugInfo] Correctly track SDNode dependencies for list debug values"

Reverted due to failure on the sanitizer-x86_64-linux-fast bot.

This reverts commit e10493eb5012a2c313471489646bde9595ea06c0.

Added: 
    

Modified: 
    llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
    llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

Removed: 
    llvm/test/CodeGen/X86/dbg-list-dependencies.ll


################################################################################
diff  --git a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index e924bde39e89..dd92aca3b710 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -138,9 +138,7 @@ class SDDbgValue {
 
 private:
   LocOpVector LocationOps;
-  // SDNode dependencies will be calculated as SDNodes that appear in
-  // LocationOps plus these AdditionalDependencies.
-  SDNodeVector AdditionalDependencies;
+  SDNodeVector SDNodes;
   DIVariable *Var;
   DIExpression *Expr;
   DebugLoc DL;
@@ -155,9 +153,8 @@ class SDDbgValue {
              ArrayRef<SDNode *> Dependencies, bool IsIndirect, DebugLoc DL,
              unsigned O, bool IsVariadic)
       : LocationOps(L.begin(), L.end()),
-        AdditionalDependencies(Dependencies.begin(), Dependencies.end()),
-        Var(Var), Expr(Expr), DL(DL), Order(O), IsIndirect(IsIndirect),
-        IsVariadic(IsVariadic) {
+        SDNodes(Dependencies.begin(), Dependencies.end()), Var(Var), Expr(Expr),
+        DL(DL), Order(O), IsIndirect(IsIndirect), IsVariadic(IsVariadic) {
     assert(IsVariadic || L.size() == 1);
     assert(!(IsVariadic && IsIndirect));
   }
@@ -173,18 +170,9 @@ class SDDbgValue {
   LocOpVector copyLocationOps() const { return LocationOps; }
 
   // Returns the SDNodes which this SDDbgValue depends on.
-  SDNodeVector getSDNodes() const {
-    SDNodeVector Dependencies;
-    for (SDDbgOperand DbgOp : LocationOps)
-      if (DbgOp.getKind() == SDDbgOperand::SDNODE)
-        Dependencies.push_back(DbgOp.getSDNode());
-    Dependencies.append(AdditionalDependencies);
-    return Dependencies;
-  }
+  ArrayRef<SDNode *> getSDNodes() const { return SDNodes; }
 
-  ArrayRef<SDNode *> getAdditionalDependencies() const {
-    return AdditionalDependencies;
-  }
+  SDNodeVector copySDNodes() const { return SDNodes; }
 
   /// Returns whether this is an indirect value.
   bool isIndirect() const { return IsIndirect; }

diff  --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2fc4d41211f3..89371aa5cab9 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -8583,7 +8583,7 @@ SDDbgValue *SelectionDAG::getDbgValue(DIVariable *Var, DIExpression *Expr,
   assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
          "Expected inlined-at fields to agree");
   return new (DbgInfo->getAlloc())
-      SDDbgValue(Var, Expr, SDDbgOperand::fromNode(N, R), {}, IsIndirect, DL, O,
+      SDDbgValue(Var, Expr, SDDbgOperand::fromNode(N, R), N, IsIndirect, DL, O,
                  /*IsVariadic=*/false);
 }
 
@@ -8707,10 +8707,12 @@ void SelectionDAG::transferDbgValues(SDValue From, SDValue To,
       Expr = *Fragment;
     }
 
-    auto AdditionalDependencies = Dbg->getAdditionalDependencies();
+    auto NewDependencies = Dbg->copySDNodes();
+    std::replace(NewDependencies.begin(), NewDependencies.end(), FromNode,
+                 ToNode);
     // Clone the SDDbgValue and move it to To.
     SDDbgValue *Clone = getDbgValueList(
-        Var, Expr, NewLocOps, AdditionalDependencies, Dbg->isIndirect(),
+        Var, Expr, NewLocOps, NewDependencies, Dbg->isIndirect(),
         Dbg->getDebugLoc(), std::max(ToNode->getIROrder(), Dbg->getOrder()),
         Dbg->isVariadic());
     ClonedDVs.push_back(Clone);
@@ -8770,9 +8772,11 @@ void SelectionDAG::salvageDebugInfo(SDNode &N) {
         (void)Changed;
         assert(Changed && "Salvage target doesn't use N");
 
-        auto AdditionalDependencies = DV->getAdditionalDependencies();
+        auto NewDependencies = DV->copySDNodes();
+        std::replace(NewDependencies.begin(), NewDependencies.end(), &N,
+                     N0.getNode());
         SDDbgValue *Clone = getDbgValueList(DV->getVariable(), DIExpr,
-                                            NewLocOps, AdditionalDependencies,
+                                            NewLocOps, NewDependencies,
                                             DV->isIndirect(), DV->getDebugLoc(),
                                             DV->getOrder(), DV->isVariadic());
         ClonedDVs.push_back(Clone);

diff  --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index c3b1aee03f52..a9de6031a3b6 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1331,6 +1331,7 @@ bool SelectionDAGBuilder::handleDebugValue(ArrayRef<const Value *> Values,
       // Only emit func arg dbg value for non-variadic dbg.values for now.
       if (!IsVariadic && EmitFuncArgumentDbgValue(V, Var, Expr, dl, false, N))
         return true;
+      Dependencies.push_back(N.getNode());
       if (auto *FISDN = dyn_cast<FrameIndexSDNode>(N.getNode())) {
         // Construct a FrameIndexDbgValue for FrameIndexSDNodes so we can
         // describe stack slot locations.
@@ -1342,7 +1343,6 @@ bool SelectionDAGBuilder::handleDebugValue(ArrayRef<const Value *> Values,
         //   dbg.value(i32* %px, !"int x", !DIExpression(DW_OP_deref))
         //
         // Both describe the direct values of their associated variables.
-        Dependencies.push_back(N.getNode());
         LocationOps.emplace_back(SDDbgOperand::fromFrameIdx(FISDN->getIndex()));
         continue;
       }

diff  --git a/llvm/test/CodeGen/X86/dbg-list-dependencies.ll b/llvm/test/CodeGen/X86/dbg-list-dependencies.ll
deleted file mode 100644
index debf7579df80..000000000000
--- a/llvm/test/CodeGen/X86/dbg-list-dependencies.ll
+++ /dev/null
@@ -1,187 +0,0 @@
-; RUN: llc --stop-after=finalize-isel < %s
-
-; Tests that files with multiple SDNode dependencies are correctly handled by
-; SelectionDAG; dependencies that are incorrectly updated for an SDDbgValue
-; throughout SelectionDAG will result in errors.
-
-target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-%class.anon = type { i8 }
-%class.D = type { %class.f }
-%class.f = type { i32, i32 }
-%class.l = type { i8*, i64 }
-%class.d = type { i8 }
-
- at q = internal global %class.anon zeroinitializer, align 1, !dbg !0
-
-define void @_Z1rv() local_unnamed_addr !dbg !30 {
-entry:
-  %t = alloca %class.D, align 4
-  %call = tail call { i8*, i64 } @"_ZN3$_05m_fn3Ev"(%class.anon* nonnull dereferenceable(1) @q), !dbg !60
-  %0 = extractvalue { i8*, i64 } %call, 0, !dbg !60
-  call void @llvm.dbg.value(metadata i8* %0, metadata !34, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64)), !dbg !61
-  %1 = extractvalue { i8*, i64 } %call, 1, !dbg !60
-  call void @llvm.dbg.value(metadata i64 %1, metadata !34, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64)), !dbg !61
-  %2 = bitcast %class.D* %t to i8*, !dbg !62
-  call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %2) #4, !dbg !62
-  call void @llvm.dbg.declare(metadata %class.D* %t, metadata !35, metadata !DIExpression()), !dbg !63
-  call void @llvm.dbg.value(metadata i8* %0, metadata !64, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64)), !dbg !69
-  call void @llvm.dbg.value(metadata i64 %1, metadata !64, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64)), !dbg !69
-  call void @llvm.dbg.value(metadata %class.D* %t, metadata !67, metadata !DIExpression()), !dbg !69
-  call void @llvm.dbg.value(metadata %class.l* undef, metadata !71, metadata !DIExpression()), !dbg !75
-  call void @llvm.dbg.value(metadata %class.D* %t, metadata !77, metadata !DIExpression()), !dbg !91
-  call void @llvm.dbg.value(metadata i8* %0, metadata !86, metadata !DIExpression()), !dbg !91
-  call void @llvm.dbg.value(metadata !DIArgList(i8* %0, i64 %1), metadata !87, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 1, DW_OP_mul, DW_OP_plus, DW_OP_stack_value)), !dbg !91
-  %3 = bitcast %class.D* %t to %class.d*, !dbg !93
-  call void @_ZN1dC2EPvl(%class.d* nonnull dereferenceable(1) %3, i8* nonnull %2, i64 8), !dbg !94
-  call void @llvm.dbg.value(metadata !DIArgList(i8* %0, i8* %0, i64 %1), metadata !88, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 2, DW_OP_constu, 1, DW_OP_mul, DW_OP_plus, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !95
-  %tobool.not.i.i = icmp eq i64 %1, 0, !dbg !96
-  br i1 %tobool.not.i.i, label %_ZN1DILi8EEC2E1l.exit, label %if.then.i.i, !dbg !98
-
-if.then.i.i:                                      ; preds = %entry
-  %add.ptr.i.i = getelementptr inbounds i8, i8* %0, i64 %1, !dbg !99
-  call void @llvm.dbg.value(metadata i8* %add.ptr.i.i, metadata !87, metadata !DIExpression()), !dbg !91
-  call void @llvm.dbg.value(metadata !DIArgList(i8* %add.ptr.i.i, i8* %0), metadata !88, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !95
-  call void @llvm.dbg.value(metadata %class.D* %t, metadata !77, metadata !DIExpression()), !dbg !91
-  %k.i.i = getelementptr inbounds %class.D, %class.D* %t, i64 0, i32 0, i32 1, !dbg !100
-  %4 = load i32, i32* %k.i.i, align 4, !dbg !100, !tbaa !101
-  call void @_Z1cIPKciEvT_S2_T0_(i8* %0, i8* nonnull %add.ptr.i.i, i32 %4), !dbg !106
-  br label %_ZN1DILi8EEC2E1l.exit, !dbg !106
-
-_ZN1DILi8EEC2E1l.exit:                            ; preds = %entry, %if.then.i.i
-  call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %2) #4, !dbg !107
-  ret void, !dbg !107
-}
-
-declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
-
-declare void @llvm.dbg.declare(metadata, metadata, metadata)
-
-declare { i8*, i64 } @"_ZN3$_05m_fn3Ev"(%class.anon* nonnull dereferenceable(1)) local_unnamed_addr
-
-declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
-
-declare void @_ZN1dC2EPvl(%class.d* nonnull dereferenceable(1), i8*, i64) unnamed_addr
-
-declare !dbg !108 void @_Z1cIPKciEvT_S2_T0_(i8*, i8*, i32) local_unnamed_addr
-
-declare void @llvm.dbg.value(metadata, metadata, metadata)
-
-!llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!26, !27, !28}
-!llvm.ident = !{!29}
-
-!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
-!1 = distinct !DIGlobalVariable(name: "q", scope: !2, file: !3, line: 32, type: !6, isLocal: true, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 13.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
-!3 = !DIFile(filename: "dbg-list-dependencies.cpp", directory: "/")
-!4 = !{}
-!5 = !{!0}
-!6 = distinct !DICompositeType(tag: DW_TAG_class_type, file: !3, line: 29, size: 8, flags: DIFlagTypePassByValue, elements: !7)
-!7 = !{!8}
-!8 = !DISubprogram(name: "m_fn3", linkageName: "_ZN3$_05m_fn3Ev", scope: !6, file: !3, line: 31, type: !9, scopeLine: 31, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagOptimized)
-!9 = !DISubroutineType(types: !10)
-!10 = !{!11, !25}
-!11 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "l", file: !3, line: 17, size: 128, flags: DIFlagTypePassByValue, elements: !12, identifier: "_ZTS1l")
-!12 = !{!13, !16, !18, !24}
-!13 = !DIDerivedType(tag: DW_TAG_member, name: "m", scope: !11, file: !3, line: 18, baseType: !14, size: 64)
-!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
-!15 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
-!16 = !DIDerivedType(tag: DW_TAG_member, name: "n", scope: !11, file: !3, line: 19, baseType: !17, size: 64, offset: 64)
-!17 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
-!18 = !DISubprogram(name: "p", linkageName: "_ZN1l1pEv", scope: !11, file: !3, line: 22, type: !19, scopeLine: 22, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
-!19 = !DISubroutineType(types: !20)
-!20 = !{!21, !23}
-!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64)
-!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !15)
-!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!24 = !DISubprogram(name: "m_fn2", linkageName: "_ZN1l5m_fn2Ev", scope: !11, file: !3, line: 23, type: !19, scopeLine: 23, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
-!25 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!26 = !{i32 7, !"Dwarf Version", i32 4}
-!27 = !{i32 2, !"Debug Info Version", i32 3}
-!28 = !{i32 1, !"wchar_size", i32 4}
-!29 = !{!"clang version 13.0.0"}
-!30 = distinct !DISubprogram(name: "r", linkageName: "_Z1rv", scope: !3, file: !3, line: 33, type: !31, scopeLine: 33, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !33)
-!31 = !DISubroutineType(types: !32)
-!32 = !{null}
-!33 = !{!34, !35}
-!34 = !DILocalVariable(name: "s", scope: !30, file: !3, line: 34, type: !11)
-!35 = !DILocalVariable(name: "t", scope: !30, file: !3, line: 35, type: !36)
-!36 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "D<8>", file: !3, line: 25, size: 64, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !37, templateParams: !58, identifier: "_ZTS1DILi8EE")
-!37 = !{!38, !54}
-!38 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !36, baseType: !39, extraData: i32 0)
-!39 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "f<8>", file: !3, line: 6, size: 64, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !40, templateParams: !52, identifier: "_ZTS1fILi8EE")
-!40 = !{!41, !49, !51}
-!41 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !39, baseType: !42, extraData: i32 0)
-!42 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "d", file: !3, line: 2, size: 8, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !43, identifier: "_ZTS1d")
-!43 = !{!44}
-!44 = !DISubprogram(name: "d", scope: !42, file: !3, line: 4, type: !45, scopeLine: 4, flags: DIFlagProtected | DIFlagPrototyped, spFlags: DISPFlagOptimized)
-!45 = !DISubroutineType(types: !46)
-!46 = !{null, !47, !48, !17}
-!47 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !42, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!48 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
-!49 = !DIDerivedType(tag: DW_TAG_member, name: "g", scope: !39, file: !3, line: 7, baseType: !50, size: 32)
-!50 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!51 = !DIDerivedType(tag: DW_TAG_member, name: "k", scope: !39, file: !3, line: 15, baseType: !50, size: 32, offset: 32, flags: DIFlagPublic)
-!52 = !{!53}
-!53 = !DITemplateValueParameter(name: "e", type: !50, value: i32 8)
-!54 = !DISubprogram(name: "D", scope: !36, file: !3, line: 27, type: !55, scopeLine: 27, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
-!55 = !DISubroutineType(types: !56)
-!56 = !{null, !57, !11}
-!57 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!58 = !{!59}
-!59 = !DITemplateValueParameter(name: "o", type: !50, value: i32 8)
-!60 = !DILocation(line: 34, column: 9, scope: !30)
-!61 = !DILocation(line: 0, scope: !30)
-!62 = !DILocation(line: 35, column: 3, scope: !30)
-!63 = !DILocation(line: 35, column: 8, scope: !30)
-!64 = !DILocalVariable(name: "h", arg: 2, scope: !65, file: !3, line: 27, type: !11)
-!65 = distinct !DISubprogram(name: "D", linkageName: "_ZN1DILi8EEC2E1l", scope: !36, file: !3, line: 27, type: !55, scopeLine: 27, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !54, retainedNodes: !66)
-!66 = !{!67, !64}
-!67 = !DILocalVariable(name: "this", arg: 1, scope: !65, type: !68, flags: DIFlagArtificial | DIFlagObjectPointer)
-!68 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64)
-!69 = !DILocation(line: 0, scope: !65, inlinedAt: !70)
-!70 = distinct !DILocation(line: 35, column: 8, scope: !30)
-!71 = !DILocalVariable(name: "this", arg: 1, scope: !72, type: !74, flags: DIFlagArtificial | DIFlagObjectPointer)
-!72 = distinct !DISubprogram(name: "m_fn2", linkageName: "_ZN1l5m_fn2Ev", scope: !11, file: !3, line: 23, type: !19, scopeLine: 23, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !24, retainedNodes: !73)
-!73 = !{!71}
-!74 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
-!75 = !DILocation(line: 0, scope: !72, inlinedAt: !76)
-!76 = distinct !DILocation(line: 27, column: 26, scope: !65, inlinedAt: !70)
-!77 = !DILocalVariable(name: "this", arg: 1, scope: !78, type: !90, flags: DIFlagArtificial | DIFlagObjectPointer)
-!78 = distinct !DISubprogram(name: "f<const char *>", linkageName: "_ZN1fILi8EEC2IPKcEET_S4_", scope: !39, file: !3, line: 10, type: !79, scopeLine: 10, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, templateParams: !83, declaration: !82, retainedNodes: !85)
-!79 = !DISubroutineType(types: !80)
-!80 = !{null, !81, !21, !21}
-!81 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !39, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!82 = !DISubprogram(name: "f<const char *>", scope: !39, file: !3, line: 10, type: !79, scopeLine: 10, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized, templateParams: !83)
-!83 = !{!84}
-!84 = !DITemplateTypeParameter(name: "a", type: !21)
-!85 = !{!77, !86, !87, !88}
-!86 = !DILocalVariable(name: "h", arg: 2, scope: !78, file: !3, line: 10, type: !21)
-!87 = !DILocalVariable(name: "i", arg: 3, scope: !78, file: !3, line: 10, type: !21)
-!88 = !DILocalVariable(name: "j", scope: !89, file: !3, line: 11, type: !17)
-!89 = distinct !DILexicalBlock(scope: !78, file: !3, line: 10, column: 48)
-!90 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !39, size: 64)
-!91 = !DILocation(line: 0, scope: !78, inlinedAt: !92)
-!92 = distinct !DILocation(line: 27, column: 12, scope: !65, inlinedAt: !70)
-!93 = !DILocation(line: 10, column: 48, scope: !78, inlinedAt: !92)
-!94 = !DILocation(line: 10, column: 39, scope: !78, inlinedAt: !92)
-!95 = !DILocation(line: 0, scope: !89, inlinedAt: !92)
-!96 = !DILocation(line: 12, column: 9, scope: !97, inlinedAt: !92)
-!97 = distinct !DILexicalBlock(scope: !89, file: !3, line: 12, column: 9)
-!98 = !DILocation(line: 12, column: 9, scope: !89, inlinedAt: !92)
-!99 = !DILocation(line: 23, column: 34, scope: !72, inlinedAt: !76)
-!100 = !DILocation(line: 13, column: 15, scope: !97, inlinedAt: !92)
-!101 = !{!102, !103, i64 4}
-!102 = !{!"_ZTS1fILi8EE", !103, i64 0, !103, i64 4}
-!103 = !{!"int", !104, i64 0}
-!104 = !{!"omnipotent char", !105, i64 0}
-!105 = !{!"Simple C++ TBAA"}
-!106 = !DILocation(line: 13, column: 7, scope: !97, inlinedAt: !92)
-!107 = !DILocation(line: 36, column: 1, scope: !30)
-!108 = !DISubprogram(name: "c<const char *, int>", linkageName: "_Z1cIPKciEvT_S2_T0_", scope: !3, file: !3, line: 1, type: !109, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, templateParams: !111, retainedNodes: !4)
-!109 = !DISubroutineType(types: !110)
-!110 = !{null, !21, !21, !50}
-!111 = !{!84, !112}
-!112 = !DITemplateTypeParameter(name: "b", type: !50)


        


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