[llvm] [DRAFT] Added llvm-debuginfo-check (PR #149429)

Adam Yang via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 22 13:48:48 PDT 2025


https://github.com/adam-yang updated https://github.com/llvm/llvm-project/pull/149429

>From 3254815539b36049fb074bf3cb18ee8bbb2ffdb6 Mon Sep 17 00:00:00 2001
From: Adam Yang <31109344+adam-yang at users.noreply.github.com>
Date: Fri, 20 Jun 2025 16:52:37 -0700
Subject: [PATCH 1/8] Made llvm-debuginfo-analyzer work for AMDGPU. A few
 changes to generate DWARF correctly in AMDGPU

---
 .../LogicalView/Readers/LVBinaryReader.h      |   3 +-
 .../LogicalView/Readers/LVBinaryReader.cpp    |   4 +-
 .../LogicalView/Readers/LVCodeViewReader.cpp  |  10 +-
 .../LogicalView/Readers/LVDWARFReader.cpp     |  12 +-
 .../AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp  |   3 +-
 .../Target/AMDGPU/SIPreAllocateWWMRegs.cpp    |   3 +
 .../llvm-debuginfo-analyzer/DWARF/amdgpu.ll   | 103 ++++++++++++++++++
 7 files changed, 127 insertions(+), 11 deletions(-)
 create mode 100644 llvm/test/tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll

diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h
index 1847fa8323480..1f8b884bc1b5d 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h
@@ -159,7 +159,8 @@ class LVBinaryReader : public LVReader {
   LVAddress WasmCodeSectionOffset = 0;
 
   // Loads all info for the architecture of the provided object file.
-  Error loadGenericTargetInfo(StringRef TheTriple, StringRef TheFeatures);
+  Error loadGenericTargetInfo(StringRef TheTriple, StringRef TheFeatures,
+                              StringRef CPU);
 
   virtual void mapRangeAddress(const object::ObjectFile &Obj) {}
   virtual void mapRangeAddress(const object::ObjectFile &Obj,
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
index 80b4185b7c600..414f0f3efc82d 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
@@ -275,7 +275,8 @@ void LVBinaryReader::mapVirtualAddress(const object::COFFObjectFile &COFFObj) {
 }
 
 Error LVBinaryReader::loadGenericTargetInfo(StringRef TheTriple,
-                                            StringRef TheFeatures) {
+                                            StringRef TheFeatures,
+                                            StringRef CPU) {
   std::string TargetLookupError;
   const Target *TheTarget =
       TargetRegistry::lookupTarget(TheTriple, TargetLookupError);
@@ -298,7 +299,6 @@ Error LVBinaryReader::loadGenericTargetInfo(StringRef TheTriple,
   MAI.reset(AsmInfo);
 
   // Target subtargets.
-  StringRef CPU;
   MCSubtargetInfo *SubtargetInfo(
       TheTarget->createMCSubtargetInfo(TheTriple, CPU, TheFeatures));
   if (!SubtargetInfo)
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp
index e5895516b5e77..2ff70816b4bf1 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp
@@ -1190,7 +1190,12 @@ Error LVCodeViewReader::loadTargetInfo(const ObjectFile &Obj) {
     FeaturesValue = SubtargetFeatures();
   }
   FeaturesValue = *Features;
-  return loadGenericTargetInfo(TT.str(), FeaturesValue.getString());
+
+  StringRef CPU;
+  if (auto OptCPU = Obj.tryGetCPUName())
+    CPU = *OptCPU;
+
+  return loadGenericTargetInfo(TT.str(), FeaturesValue.getString(), CPU);
 }
 
 Error LVCodeViewReader::loadTargetInfo(const PDBFile &Pdb) {
@@ -1200,8 +1205,9 @@ Error LVCodeViewReader::loadTargetInfo(const PDBFile &Pdb) {
   TT.setOS(Triple::Win32);
 
   StringRef TheFeature = "";
+  StringRef TheCPU = "";
 
-  return loadGenericTargetInfo(TT.str(), TheFeature);
+  return loadGenericTargetInfo(TT.str(), TheFeature, TheCPU);
 }
 
 std::string LVCodeViewReader::getRegisterName(LVSmall Opcode,
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
index 696e2bc948a2e..62134dfdadf46 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
@@ -956,10 +956,7 @@ LVElement *LVDWARFReader::getElementForOffset(LVOffset Offset,
 Error LVDWARFReader::loadTargetInfo(const ObjectFile &Obj) {
   // Detect the architecture from the object file. We usually don't need OS
   // info to lookup a target and create register info.
-  Triple TT;
-  TT.setArch(Triple::ArchType(Obj.getArch()));
-  TT.setVendor(Triple::UnknownVendor);
-  TT.setOS(Triple::UnknownOS);
+  Triple TT = Obj.makeTriple();
 
   // Features to be passed to target/subtarget
   Expected<SubtargetFeatures> Features = Obj.getFeatures();
@@ -969,7 +966,12 @@ Error LVDWARFReader::loadTargetInfo(const ObjectFile &Obj) {
     FeaturesValue = SubtargetFeatures();
   }
   FeaturesValue = *Features;
-  return loadGenericTargetInfo(TT.str(), FeaturesValue.getString());
+
+  StringRef CPU;
+  if (auto OptCPU = Obj.tryGetCPUName())
+    CPU = *OptCPU;
+
+  return loadGenericTargetInfo(TT.str(), FeaturesValue.getString(), CPU);
 }
 
 void LVDWARFReader::mapRangeAddress(const ObjectFile &Obj) {
diff --git a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp
index 8f89168754180..bf390e836078e 100644
--- a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp
+++ b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp
@@ -226,7 +226,8 @@ class ELFAMDGPUAsmBackend : public AMDGPUAsmBackend {
 public:
   ELFAMDGPUAsmBackend(const Target &T, const Triple &TT)
       : AMDGPUAsmBackend(T), Is64Bit(TT.isAMDGCN()),
-        HasRelocationAddend(TT.getOS() == Triple::AMDHSA) {
+        HasRelocationAddend(TT.getOS() == Triple::AMDHSA ||
+                            TT.getOS() == Triple::AMDPAL) {
     switch (TT.getOS()) {
     case Triple::AMDHSA:
       OSABI = ELF::ELFOSABI_AMDGPU_HSA;
diff --git a/llvm/lib/Target/AMDGPU/SIPreAllocateWWMRegs.cpp b/llvm/lib/Target/AMDGPU/SIPreAllocateWWMRegs.cpp
index 205a45a045a42..469a6525b4ac0 100644
--- a/llvm/lib/Target/AMDGPU/SIPreAllocateWWMRegs.cpp
+++ b/llvm/lib/Target/AMDGPU/SIPreAllocateWWMRegs.cpp
@@ -130,6 +130,9 @@ void SIPreAllocateWWMRegs::rewriteRegs(MachineFunction &MF) {
         if (VirtReg.isPhysical())
           continue;
 
+        if (MI.isDebugInstr() && VirtReg == AMDGPU::NoRegister)
+          continue;
+
         if (!VRM->hasPhys(VirtReg))
           continue;
 
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll
new file mode 100644
index 0000000000000..1d031979309a6
--- /dev/null
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll
@@ -0,0 +1,103 @@
+; RUN: llc %s -o %t.o -mcpu=gfx1030 -filetype=obj -O0
+; RUN: llvm-debuginfo-analyzer %t.o --print=all --attribute=all | FileCheck %s
+
+; This test compiles this module with AMDGPU backend under -O0,
+; and makes sure llvm-debuginfo-analzyer works for it.
+
+; Simple checks to make sure llvm-debuginfo-analzyer didn't fail early.
+; CHECK: Logical View:
+; CHECK: {CompileUnit}
+; CHECK: {Code} 's_endpgm'
+
+source_filename = "module"
+target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-p9:192:256:256:32-p10:32:32-p11:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8:9-p32:32:32-v8:8-v16:16-v32:32-v48:32-v64:32-v80:32-v96:32-v112:32-v128:32-v144:32-v160:32-v176:32-v192:32-v208:32-v224:32-v240:32-v256:32-i1:32-i8:8-i16:16-i32:32-i64:32-f16:16-f32:32-f64:32"
+target triple = "amdgcn-amd-amdpal"
+
+%dx.types.ResRet.f32 = type { float, float, float, float, i32 }
+
+; Function Attrs: memory(readwrite)
+define dllexport amdgpu_cs void @_amdgpu_cs_main(i32 inreg noundef %globalTable, i32 inreg noundef %userdata4, <3 x i32> inreg noundef %WorkgroupId, i32 inreg noundef %MultiDispatchInfo, <3 x i32> noundef %LocalInvocationId) #0 !dbg !14 {
+  %LocalInvocationId.i0 = extractelement <3 x i32> %LocalInvocationId, i64 0, !dbg !28
+  %WorkgroupId.i0 = extractelement <3 x i32> %WorkgroupId, i64 0, !dbg !28
+  %1 = call i64 @llvm.amdgcn.s.getpc(), !dbg !28
+  %2 = shl i32 %WorkgroupId.i0, 6, !dbg !28
+  %3 = add i32 %LocalInvocationId.i0, %2, !dbg !28
+    #dbg_value(i32 %3, !29, !DIExpression(DW_OP_LLVM_fragment, 0, 32), !28)
+  %4 = and i64 %1, -4294967296, !dbg !30
+  %5 = zext i32 %userdata4 to i64, !dbg !30
+  %6 = or disjoint i64 %4, %5, !dbg !30
+  %7 = inttoptr i64 %6 to ptr addrspace(4), !dbg !30
+  call void @llvm.assume(i1 true) [ "align"(ptr addrspace(4) %7, i32 4), "dereferenceable"(ptr addrspace(4) %7, i32 -1) ], !dbg !30
+  %8 = load <4 x i32>, ptr addrspace(4) %7, align 4, !dbg !30, !invariant.load !2
+  %9 = call float @llvm.amdgcn.struct.buffer.load.format.f32(<4 x i32> %8, i32 %3, i32 0, i32 0, i32 0), !dbg !30
+    #dbg_value(%dx.types.ResRet.f32 poison, !31, !DIExpression(), !32)
+  %10 = fmul reassoc arcp contract afn float %9, 2.000000e+00, !dbg !33
+    #dbg_value(float %10, !34, !DIExpression(), !35)
+  call void @llvm.assume(i1 true) [ "align"(ptr addrspace(4) %7, i32 4), "dereferenceable"(ptr addrspace(4) %7, i32 -1) ], !dbg !36
+  %11 = getelementptr i8, ptr addrspace(4) %7, i64 32, !dbg !36
+  %.upto01 = insertelement <4 x float> poison, float %10, i64 0, !dbg !36
+  %12 = shufflevector <4 x float> %.upto01, <4 x float> poison, <4 x i32> zeroinitializer, !dbg !36
+  %13 = load <4 x i32>, ptr addrspace(4) %11, align 4, !dbg !36, !invariant.load !2
+  call void @llvm.amdgcn.struct.buffer.store.format.v4f32(<4 x float> %12, <4 x i32> %13, i32 %3, i32 0, i32 0, i32 0), !dbg !36
+  ret void, !dbg !37
+}
+
+; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
+declare noundef i64 @llvm.amdgcn.s.getpc() #1
+
+; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
+declare void @llvm.assume(i1 noundef) #2
+
+; Function Attrs: nocallback nofree nosync nounwind willreturn memory(write)
+declare void @llvm.amdgcn.struct.buffer.store.format.v4f32(<4 x float>, <4 x i32>, i32, i32, i32, i32 immarg) #3
+
+; Function Attrs: nocallback nofree nosync nounwind willreturn memory(read)
+declare float @llvm.amdgcn.struct.buffer.load.format.f32(<4 x i32>, i32, i32, i32, i32 immarg) #4
+
+attributes #0 = { memory(readwrite) "amdgpu-flat-work-group-size"="64,64" "amdgpu-memory-bound"="false" "amdgpu-num-sgpr"="4294967295" "amdgpu-num-vgpr"="4294967295" "amdgpu-prealloc-sgpr-spill-vgprs" "amdgpu-unroll-threshold"="1200" "amdgpu-wave-limiter"="false" "amdgpu-work-group-info-arg-no"="3" "denormal-fp-math"="ieee" "denormal-fp-math-f32"="preserve-sign" "target-features"=",+wavefrontsize64,+cumode,+enable-flat-scratch" }
+attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
+attributes #2 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
+attributes #3 = { nocallback nofree nosync nounwind willreturn memory(write) }
+attributes #4 = { nocallback nofree nosync nounwind willreturn memory(read) }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!12, !13}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "dxcoob 1.7.2308.16 (52da17e29)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
+!1 = !DIFile(filename: "tests\\basic_var.hlsl", directory: "")
+!2 = !{}
+!3 = !{!4, !10}
+!4 = distinct !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
+!5 = !DIGlobalVariable(name: "u0", linkageName: "\01?u0@@3V?$RWBuffer at M@@A", scope: !0, file: !1, line: 2, type: !6, isLocal: false, isDefinition: true)
+!6 = !DICompositeType(tag: DW_TAG_class_type, name: "RWBuffer<float>", file: !1, line: 2, size: 32, align: 32, elements: !2, templateParams: !7)
+!7 = !{!8}
+!8 = !DITemplateTypeParameter(name: "element", type: !9)
+!9 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
+!10 = distinct !DIGlobalVariableExpression(var: !11, expr: !DIExpression())
+!11 = !DIGlobalVariable(name: "u1", linkageName: "\01?u1@@3V?$RWBuffer at M@@A", scope: !0, file: !1, line: 3, type: !6, isLocal: false, isDefinition: true)
+!12 = !{i32 2, !"Dwarf Version", i32 5}
+!13 = !{i32 2, !"Debug Info Version", i32 3}
+!14 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !15, scopeLine: 7, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)
+!15 = !DISubroutineType(types: !16)
+!16 = !{null, !17}
+!17 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint3", file: !1, baseType: !18)
+!18 = !DICompositeType(tag: DW_TAG_class_type, name: "vector<unsigned int, 3>", file: !1, size: 96, align: 32, elements: !19, templateParams: !24)
+!19 = !{!20, !22, !23}
+!20 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !18, file: !1, baseType: !21, size: 32, align: 32, flags: DIFlagPublic)
+!21 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
+!22 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !18, file: !1, baseType: !21, size: 32, align: 32, offset: 32, flags: DIFlagPublic)
+!23 = !DIDerivedType(tag: DW_TAG_member, name: "z", scope: !18, file: !1, baseType: !21, size: 32, align: 32, offset: 64, flags: DIFlagPublic)
+!24 = !{!25, !26}
+!25 = !DITemplateTypeParameter(name: "element", type: !21)
+!26 = !DITemplateValueParameter(name: "element_count", type: !27, value: i32 3)
+!27 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!28 = !DILocation(line: 7, column: 17, scope: !14)
+!29 = !DILocalVariable(name: "dtid", arg: 1, scope: !14, file: !1, line: 7, type: !17)
+!30 = !DILocation(line: 11, column: 18, scope: !14)
+!31 = !DILocalVariable(name: "my_var", scope: !14, file: !1, line: 11, type: !9)
+!32 = !DILocation(line: 11, column: 9, scope: !14)
+!33 = !DILocation(line: 14, column: 26, scope: !14)
+!34 = !DILocalVariable(name: "my_var2", scope: !14, file: !1, line: 14, type: !9)
+!35 = !DILocation(line: 14, column: 9, scope: !14)
+!36 = !DILocation(line: 17, column: 14, scope: !14)
+!37 = !DILocation(line: 19, column: 1, scope: !14)
\ No newline at end of file

>From c6bacae4803be21e4204a202d4c2b1c4a5559bb6 Mon Sep 17 00:00:00 2001
From: Adam Yang <31109344+adam-yang at users.noreply.github.com>
Date: Fri, 20 Jun 2025 18:21:29 -0700
Subject: [PATCH 2/8] Moved the test to amdgpu target tests

---
 .../AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll}                     | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename llvm/test/{tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll => CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll} (100%)

diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll b/llvm/test/CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll
similarity index 100%
rename from llvm/test/tools/llvm-debuginfo-analyzer/DWARF/amdgpu.ll
rename to llvm/test/CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll

>From dd3c72b32b8a23ba8a8a332433b704f86de2142a Mon Sep 17 00:00:00 2001
From: Adam Yang <31109344+adam-yang at users.noreply.github.com>
Date: Thu, 17 Jul 2025 17:17:30 -0700
Subject: [PATCH 3/8] Added new tool, and test code

---
 .../llvm/DebugInfo/DWARF/DWARFFormValue.h     |   1 +
 .../DebugInfo/LogicalView/Core/LVLocation.h   |   2 +
 llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp   |   2 +
 .../DebugInfo/LogicalView/Core/LVLocation.cpp |  19 +-
 .../DebugInfo/LogicalView/Core/LVScope.cpp    |   3 +
 .../LogicalView/Readers/LVBinaryReader.cpp    |   3 +
 .../LogicalView/Readers/LVDWARFReader.cpp     |  11 +-
 .../tools/llvm-debuginfo-check/CMakeLists.txt |  17 +
 .../llvm-debuginfo-check.cpp                  | 457 ++++++++++++++++++
 9 files changed, 511 insertions(+), 4 deletions(-)
 create mode 100644 llvm/tools/llvm-debuginfo-check/CMakeLists.txt
 create mode 100644 llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp

diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h
index 3818a90b909c6..bfbc7d5cc087d 100644
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h
@@ -83,6 +83,7 @@ class DWARFFormValue {
 
   LLVM_ABI bool isFormClass(FormClass FC) const;
   const DWARFUnit *getUnit() const { return U; }
+  LLVM_DUMP_METHOD void dump() const;
   LLVM_ABI void dump(raw_ostream &OS,
                      DIDumpOptions DumpOpts = DIDumpOptions()) const;
   LLVM_ABI void dumpSectionedAddress(raw_ostream &OS, DIDumpOptions DumpOpts,
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h
index 0718e33f5645b..c16a52300c546 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h
@@ -159,6 +159,7 @@ class LLVM_ABI LVLocation : public LVObject {
 
   void print(raw_ostream &OS, bool Full = true) const override;
   void printExtra(raw_ostream &OS, bool Full = true) const override;
+  virtual void printLocations(raw_ostream &OS) const {}
 };
 
 class LLVM_ABI LVLocationSymbol final : public LVLocation {
@@ -179,6 +180,7 @@ class LLVM_ABI LVLocationSymbol final : public LVLocation {
 
   void printRawExtra(raw_ostream &OS, bool Full = true) const override;
   void printExtra(raw_ostream &OS, bool Full = true) const override;
+  void printLocations(raw_ostream &OS) const override;
 };
 
 } // end namespace logicalview
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
index bc4badc771380..01cc184fc8ea8 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
@@ -379,6 +379,8 @@ void DWARFFormValue::dumpAddressSection(const DWARFObject &Obj, raw_ostream &OS,
     OS << format(" [%" PRIu64 "]", SectionIndex);
 }
 
+LLVM_DUMP_METHOD void DWARFFormValue::dump() const { dump(dbgs()); }
+
 void DWARFFormValue::dump(raw_ostream &OS, DIDumpOptions DumpOpts) const {
   uint64_t UValue = Value.uval;
   bool CURelativeOffset = false;
diff --git a/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp b/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp
index 3c078d8ee74b8..5d068e2871899 100644
--- a/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp
@@ -648,6 +648,19 @@ void LVLocation::print(LVLocations *Locations, raw_ostream &OS, bool Full) {
       Location->print(OS, Full);
 }
 
+void LVLocationSymbol::printLocations(raw_ostream &OS) const {
+  if (Entries) {
+    bool CodeViewLocation = getParentSymbol()->getHasCodeViewLocation();
+    std::string Leading;
+    for (LVOperation *Operation : *Entries) {
+      OS << Leading
+         << (CodeViewLocation ? Operation->getOperandsCodeViewInfo()
+                              : Operation->getOperandsDWARFInfo());
+      Leading = ", ";
+    }
+  }
+}
+
 void LVLocationSymbol::printExtra(raw_ostream &OS, bool Full) const {
   OS << "{Location}";
   if (getIsCallSite())
@@ -657,8 +670,11 @@ void LVLocationSymbol::printExtra(raw_ostream &OS, bool Full) const {
 
   // Print location entries.
   if (Full && Entries) {
+    std::string Str;
+    raw_string_ostream Stream(Str);
+    printLocations(Stream);
+    #if 0
     bool CodeViewLocation = getParentSymbol()->getHasCodeViewLocation();
-    std::stringstream Stream;
     std::string Leading;
     for (LVOperation *Operation : *Entries) {
       Stream << Leading
@@ -666,6 +682,7 @@ void LVLocationSymbol::printExtra(raw_ostream &OS, bool Full) const {
                                   : Operation->getOperandsDWARFInfo());
       Leading = ", ";
     }
+    #endif
     printAttributes(OS, Full, "{Entry} ", const_cast<LVLocationSymbol *>(this),
                     StringRef(Stream.str()),
                     /*UseQuotes=*/false,
diff --git a/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp b/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
index 93a567e89f774..714b269e477c1 100644
--- a/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
@@ -134,6 +134,9 @@ void LVScope::addElement(LVLine *Line) {
   if (!Lines)
     Lines = std::make_unique<LVLines>();
 
+  if (Line->getAddress() == 0x2fc)
+  outs() << "Set Parent for line at addr: " << Line->getAddress()
+         << "\n ";
   // Add it to parent.
   Lines->push_back(Line);
   Line->setParent(this);
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
index 414f0f3efc82d..42d71e13fa512 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
@@ -733,6 +733,9 @@ void LVBinaryReader::processLines(LVLines *DebugLines,
   for (LVLine *Line : *DebugLines) {
     // Using the current line address, get its associated lexical scope and
     // add the line information to it.
+
+    if (Line->getAddress() == 0x2fc)
+      outs() << "";
     Scope = ScopesWithRanges->getEntry(Line->getAddress());
     if (!Scope) {
       // If missing scope, use the compile unit.
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
index 62134dfdadf46..267a4ea40661a 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
@@ -252,6 +252,8 @@ void LVDWARFReader::processOneAttribute(const DWARFDie &Die,
 
   case dwarf::DW_AT_ranges:
     if (RangesDataAvailable && options().getGeneralCollectRanges()) {
+      if (CurrentScope->getID() == 2237)
+        outs() << "";
       auto GetRanges = [](const DWARFFormValue &FormValue,
                           DWARFUnit *U) -> Expected<DWARFAddressRangesVector> {
         if (FormValue.getForm() == dwarf::DW_FORM_rnglistx)
@@ -274,7 +276,7 @@ void LVDWARFReader::processOneAttribute(const DWARFDie &Die,
       for (DWARFAddressRange &Range : Ranges) {
         // This seems to be a tombstone for empty ranges.
         if ((Range.LowPC == Range.HighPC) ||
-            (Range.LowPC = getTombstoneAddress()))
+            (Range.LowPC == getTombstoneAddress()))
           continue;
         // Store the real upper limit for the address range.
         if (UpdateHighAddress && Range.HighPC > 0)
@@ -461,13 +463,16 @@ LVScope *LVDWARFReader::processOneDie(const DWARFDie &InputDIE, LVScope *Parent,
         if (!CurrentRanges.empty()) {
           for (LVAddressRange &Range : CurrentRanges)
             addSectionRange(SectionIndex, CurrentScope, Range.first,
-                            Range.second);
+                            Range.second > Range.first ? Range.second - 1
+                                                       : Range.second);
           CurrentRanges.clear();
         }
         // If the scope is the CU, do not update the ranges set.
         if (FoundLowPC && FoundHighPC && !IsCompileUnit) {
           addSectionRange(SectionIndex, CurrentScope, CurrentLowPC,
-                          CurrentHighPC);
+                          CurrentHighPC > CurrentLowPC
+                              ? CurrentHighPC - 1
+                              : CurrentHighPC); // Make hi-pc exclusive
         }
       }
     }
diff --git a/llvm/tools/llvm-debuginfo-check/CMakeLists.txt b/llvm/tools/llvm-debuginfo-check/CMakeLists.txt
new file mode 100644
index 0000000000000..4ca37ac8ae856
--- /dev/null
+++ b/llvm/tools/llvm-debuginfo-check/CMakeLists.txt
@@ -0,0 +1,17 @@
+set(LLVM_LINK_COMPONENTS
+  AllTargetsDescs
+  AllTargetsDisassemblers
+  AllTargetsInfos
+  BinaryFormat
+  DebugInfoCodeView
+  DebugInfoLogicalView
+  DebugInfoPDB
+  MC
+  MCDisassembler
+  Object
+  Support
+  )
+
+add_llvm_tool(llvm-debuginfo-check
+  llvm-debuginfo-check.cpp
+  )
diff --git a/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp b/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
new file mode 100644
index 0000000000000..3fbbdb5f79cd4
--- /dev/null
+++ b/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
@@ -0,0 +1,457 @@
+//===-- llvm-debuginfo-analyzer.cpp - LLVM Debug info analysis utility ---===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This tool prints out the logical view of debug info in a way that is easy
+// to verify correctness.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/InitLLVM.h"
+#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/ScopedPrinter.h"
+#include "llvm/DebugInfo/LogicalView/LVReaderHandler.h"
+#include "llvm/ADT/SetVector.h"
+
+#include <string>
+#include <unordered_set>
+#include <unordered_map>
+
+using namespace llvm;
+using namespace logicalview;
+
+static cl::opt<std::string>
+    InputFilename(cl::Positional, "<input-file>",
+                  cl::desc("Input file, an object file with DWARF."),
+                  cl::Required);
+
+static cl::opt<bool> IncludeCode("code", cl::desc("Include asm"));
+static cl::opt<bool> IncludeRanges("ranges", cl::desc("Include variable ranges"));
+static cl::opt<bool> IncludeVars("vars", cl::desc("Include live variables"));
+
+template <typename T> T Take(Expected<T> ExpectedResult, const Twine &Msg) {
+  if (!ExpectedResult) {
+    auto Err = ExpectedResult.takeError();
+    errs() << Msg << " " << toStringWithoutConsuming(Err) << '\n';
+    exit(2);
+  }
+  T ret = std::move(*ExpectedResult);
+  return ret;
+}
+
+struct ScopePrinterMk2 {
+
+  std::vector<const LVLine *> Lines;
+  std::unordered_map<LVAddress, std::vector<const LVLocation *>> LivetimeBegins;
+  std::unordered_map<LVAddress, std::vector<const LVLocation *>>
+      LivetimeEndsExclusive;
+  raw_ostream &OS;
+
+  void Walk(raw_ostream &OS, const LVScope* Scope) {
+    if (Scope->scopeCount()) {
+      for (const LVScope *ChildScope : *Scope->getScopes())
+        Walk(OS, ChildScope);
+    }
+    if (Scope->lineCount()) {
+      for (const LVLine *Line : *Scope->getLines()) {
+        Lines.push_back(Line);
+        if (Line->getParentScope() != Scope)
+          OS << "";
+      }
+    }
+    if (Scope->symbolCount()) {
+      for (const LVSymbol *Symbol : *Scope->getSymbols()) {
+        LVLocations SymbolLocations;
+        Symbol->getLocations(SymbolLocations);
+        if (SymbolLocations.empty())
+          continue;
+
+        if (IncludeRanges) {
+          OS << "RANGES: " << Symbol->getName() << " (line " << Symbol->getLineNumber() << ")" << ": ";
+        }
+
+        for (const LVLocation *Loc : SymbolLocations) {
+          if (Loc->getIsGapEntry())
+            continue;
+
+          LVAddress Begin = Loc->getLowerAddress();
+          LVAddress End = Loc->getUpperAddress();
+          LivetimeBegins[Begin].push_back(Loc);
+          LivetimeEndsExclusive[End].push_back(Loc);
+          if (IncludeRanges) {
+            OS << "[" << hexValue(Begin) << ":" << hexValue(End) << "] ";
+          }
+        }
+
+        if (IncludeRanges)
+          OS << "\n";
+      }
+    }
+  }
+
+  ScopePrinterMk2(raw_ostream &OS, const LVScopeFunction *Fn) : OS(OS) {
+    Walk(OS, Fn);
+    std::sort(Lines.begin(), Lines.end(),
+              [](const LVLine *a, const LVLine *b) -> bool {
+                if (a->getAddress() != b->getAddress())
+                  return a->getAddress() < b->getAddress();
+                if (a->getIsLineDebug() != b->getIsLineDebug())
+                  return a->getIsLineDebug();
+                return a->getID() < b->getID();
+              });
+
+    //DumpAllInlineFunctionLevels(Fn);
+  }
+
+
+  static void PrintIndent(int Indent) {
+    for (int i = 0; i < Indent; i++)
+      outs() << "  ";
+  }
+
+  static void PrintCallstack(raw_ostream& OS, const LVScope* Scope) {
+    bool First = true;
+    const LVScope *PrevScope = nullptr;
+    while (Scope) {
+      if (Scope->getIsFunction() || Scope->getIsInlinedFunction()) {
+        OS << "[" << Scope->getName();
+        if (PrevScope && PrevScope->getIsInlinedFunction()) {
+          OS << ":" << cast<LVScopeFunctionInlined>(PrevScope)->getCallLineNumber();
+        }
+        OS << "]";
+        First = false;
+        PrevScope = Scope;
+      }
+      Scope = Scope->getParentScope();
+    }
+  }
+
+  void DumpAllInlineFunctionLevels(const LVScope *Scope) {
+    if (Scope->getIsInlinedFunction()) {
+      outs() << Scope->getName() << " ID:" << Scope->getID();
+      if (Scope->rangeCount()) {
+        for (auto R : *Scope->getRanges()) {
+          auto Lo = Scope->getRanges()->front()->getLowerAddress();
+          auto Hi = Scope->getRanges()->front()->getUpperAddress();
+          outs() << " [" << hexValue(Lo) << ":"
+                 << hexValue(Hi) << "]";
+        }
+      }
+
+      outs() << ", level: " << Scope->getLevel() << "\n";
+    }
+    if (Scope->scopeCount())
+      for (auto S : *Scope->getScopes())
+        DumpAllInlineFunctionLevels(S);
+  }
+
+  static bool IsChildScopeOf(const LVScope *A, const LVScope *B) {
+    while (A) {
+      A = A->getParentScope();
+      if (A == B)
+        return true;
+    }
+    return false;
+  }
+
+  void Print() {
+    SetVector<const LVLocation *> LiveSymbols; // This needs to be ordered since we're iterating over it.
+    int LastLine = -1;
+    StringRef LastFilename;
+    for (const LVLine *Line : Lines) {
+
+      const LVScope *Scope = Line->getParentScope();
+
+      // Update live list: Add lives
+      for (auto Loc : LivetimeBegins[Line->getAddress()])
+        LiveSymbols.insert(Loc);
+      // Update live list: remove dead
+      for (auto Loc : LivetimeEndsExclusive[Line->getAddress()])
+        LiveSymbols.remove(Loc);
+
+      if (Line->getIsLineDebug() && Line->getLineNumber() != 0) {
+        auto LineDebug = cast<LVLineDebug>(Line);
+
+        if (LastLine != LineDebug->getLineNumber() ||
+            LineDebug->getPathname() != LastFilename) {
+          OS << "LINE: " << " [" << hexValue(LineDebug->getAddress()) << "] "
+             << LineDebug->getPathname() << ":" << LineDebug->getLineNumber()
+             << " ";
+          PrintCallstack(OS, Scope);
+          OS << "\n";
+          if (IncludeVars) {
+            for (auto SymLoc : LiveSymbols) {
+              const LVSymbol *Sym = SymLoc->getParentSymbol();
+              if (Sym->getName() == "InMRT1")
+                outs() << "";
+              auto SymScope = Sym->getParentScope();
+              auto LineScope = LineDebug->getParentScope();
+              if (SymScope != LineScope && !IsChildScopeOf(LineScope, SymScope))
+                continue;
+              PrintIndent(1);
+              OS << "VAR: " << Sym->getName() << ": "
+                     << Sym->getType()->getName()
+                     << " : ";
+              SymLoc->printLocations(OS);
+              OS << " (line " << Sym->getLineNumber() << ")";
+              OS << "\n";
+            }
+          }
+        }
+
+        LastLine = Line->getLineNumber();
+        LastFilename = Line->getPathname();
+      } else if (IncludeCode && Line->getIsLineAssembler()) {
+        OS << "  CODE: " << " [" << hexValue(Line->getAddress()) << "]  "
+           << Line->getName() << "\n";
+      }
+    }
+  }
+};
+
+struct ScopePrinter {
+  unsigned NumScopesPrinted = 0;
+  std::unordered_map<LVAddress, std::vector<const LVLocation *>> LivetimeBegins;
+  std::unordered_map<LVAddress, std::vector<const LVLocation *>>
+      LivetimeEndsInclusive;
+  SetVector<const LVLocation *> LiveSymbols; // This needs to be ordered since we're iterating over it.
+  std::unordered_set<const LVScope *> SeenScopes;
+
+  static void PrintIndent(int Indent) {
+    for (int i = 0; i < Indent; i++)
+      outs() << "  ";
+  };
+
+  void PrintScope(const LVScope *Scope, int Indent) {
+    NumScopesPrinted++;
+    SeenScopes.insert(Scope);
+
+    bool IsInlined = false;
+    if (Scope->getIsInlinedFunction()) {
+      Indent++;
+      auto InlinedFn = cast<LVScopeFunctionInlined>(Scope);
+      IsInlined = true;
+      PrintIndent(Indent);
+      outs() << "INLINED_FUNCTION: " << InlinedFn->getName() << "\n";
+    }
+
+    if (const LVSymbols *Symbols = Scope->getSymbols()) {
+      for (const LVSymbol *Symbol : *Symbols) {
+        LVLocations SymbolLocations;
+        Symbol->getLocations(SymbolLocations);
+        for (const LVLocation *Loc : SymbolLocations) {
+          if (Loc->getIsGapEntry())
+            continue;
+
+          LVAddress Begin = Loc->getLowerAddress();
+          LVAddress End = Loc->getUpperAddress();
+          LivetimeBegins[Begin].push_back(Loc);
+          LivetimeEndsInclusive[End].push_back(Loc);
+          if (IncludeRanges) {
+            outs() << "RANGE: " << Symbol->getName() << ": ["
+                   << hexValue(Begin) << ":" << hexValue(End) << "]\n";
+          }
+        }
+      }
+    }
+
+    auto Lines = Scope->getLines();
+    if (Lines) {
+      int LastLine = -1;
+      StringRef LastFilename;
+      for (const LVLine *Line : *Lines) {
+
+        if (auto Scopes = Scope->getScopes()) {
+          for (const LVScope *SubScope : *Scopes) {
+            if (SeenScopes.count(SubScope))
+              continue;
+#if 0
+            if (SubScope->getBaseAddress() < Line->getAddress()) {
+              PrintScope(SubScope, Indent);
+            }
+#else
+
+
+            struct Local {
+              static LVAddress GetBaseAddress(const LVScope *S) {
+                if (S->rangeCount()) {
+                  return S->getRanges()->front()->getLowerAddress();
+                }
+                if (S->lineCount()) {
+                  return S->getLines()->front()->getAddress();
+                }
+                if (S->scopeCount()) {
+                  for (LVScope *SubS : *S->getScopes()) {
+                    LVAddress A = GetBaseAddress(SubS);
+                    if (A != -1)
+                      return A;
+                  }
+                }
+                return -1;
+              };
+            };
+#if 0
+            auto ScopeLines = SubScope->getLines();
+            if (ScopeLines && ScopeLines->size() &&
+                ScopeLines->front()->getAddress() < Line->getAddress()) {
+              PrintScope(SubScope, Indent);
+            } else {
+              outs() << "";
+            }
+#else
+            unsigned BaseAdress = Local::GetBaseAddress(SubScope);
+            if (BaseAdress < Line->getAddress()) {
+              PrintScope(SubScope, Indent);
+            }
+#endif
+#endif
+          }
+        }
+
+        // Update live list: Add lives
+        for (auto Loc : LivetimeBegins[Line->getAddress()])
+          LiveSymbols.insert(Loc);
+
+        if (Line->getIsLineDebug() && Line->getLineNumber() != 0) {
+          auto LineDebug = cast<LVLineDebug>(Line);
+          if (LineDebug->getLineNumber() == 605)
+            outs() << "";
+          if (LastLine != LineDebug->getLineNumber() ||
+              LineDebug->getPathname() != LastFilename) {
+            PrintIndent(Indent+1);
+            outs() << "LINE: " << " ["
+                   << hexValue(LineDebug->getAddress()) << "] "
+                   << LineDebug->getPathname() << ":"
+                   << LineDebug->getLineNumber() << "\n";
+
+            if (IncludeVars) {
+              for (auto SymLoc : LiveSymbols) {
+                PrintIndent(Indent+2);
+                const LVSymbol *Sym = SymLoc->getParentSymbol();
+                outs() << "VAR: " << Sym->getName() << ": "
+                       << Sym->getType()->getName()
+                       << " : ";
+                SymLoc->printLocations(outs());
+                outs() << "\n";
+              }
+            }
+          }
+          LastLine = LineDebug->getLineNumber();
+          LastFilename = LineDebug->getPathname();
+        } else if (Line->getIsLineAssembler()) {
+          if (IncludeCode)
+            outs() << "  CODE: " << " [" << hexValue(Line->getAddress())
+                   << "]  " << Line->getName() << "\n";
+        }
+
+        // Update live list: remove dead
+        for (auto Loc : LivetimeEndsInclusive[Line->getAddress()])
+          LiveSymbols.remove(Loc);
+      }
+    } else if (Scope->scopeCount()) {
+      for (auto SubS : *Scope->getScopes()) {
+        PrintScope(SubS, Indent);
+      }
+    }
+
+    if (IsInlined) {
+      PrintIndent(Indent);
+      outs() << "END_INLINED_FUNCTION\n";
+      Indent--;
+    }
+  }
+
+  static unsigned CountScopes(const LVScope *Scope) {
+    unsigned Count = 0;
+    auto Scopes = Scope->getScopes();
+    if (Scopes) {
+      for (auto S : *Scopes)
+        Count += CountScopes(S);
+    }
+    return Count + 1;
+  }
+
+  std::vector<const LVScope *> UnseenScopes;
+  void CollectUnsceenScopes(const LVScope *Scope) {
+    if (!SeenScopes.count(Scope)) {
+      UnseenScopes.push_back(Scope);
+      Scope->dump();
+    }
+    if (Scope->scopeCount()) {
+      for (auto S : *Scope->getScopes())
+        CollectUnsceenScopes(S);
+    }
+  }
+
+};
+
+int main(int argc, char *argv[]) {
+  InitLLVM X(argc, argv);
+
+  // Initialize targets and assembly printers/parsers.
+  llvm::InitializeAllTargetInfos();
+  llvm::InitializeAllTargetMCs();
+  InitializeAllDisassemblers();
+
+  cl::ParseCommandLineOptions(argc, argv,
+                              "Check debug info correctness via annotations.\n");
+
+  ScopedPrinter W(llvm::outs());
+  LVOptions Options;
+  Options.setAttributeAll();
+  Options.setAttributeAnyLocation();
+  Options.setPrintAll();
+  Options.setPrintAnyLine();
+  Options.resolveDependencies();
+  std::vector<std::string> Objects;
+  LVReaderHandler Handler(Objects, W, Options);
+  auto Readers = Take(Handler.createReader(InputFilename),
+       Twine("Failed to create LV reader from '") + Twine(InputFilename) +
+           Twine("'"));
+
+  auto *CU = Readers->getCompileUnit();
+  if (!CU)
+    return 2;
+
+  for (LVElement *Child : *CU->getChildren()) {
+    auto *Fn = dyn_cast<LVScopeFunction>(Child);
+    if (Fn) {
+      const LVLines *Lines = Fn->getLines();
+      // If there's no lines, this function has no body.
+      if (!Lines)
+        continue;
+      outs() << "FUNCTION: " << Child->getName() << "\n";
+ 
+#if 0
+      ScopePrinter P;
+      P.PrintScope(Fn, 0);
+
+      P.CollectUnsceenScopes(Fn);
+
+      for (auto S : P.UnseenScopes) {
+        if (S->symbolCount()) {
+          for (auto Sym : *S->getSymbols())
+            outs() << Sym->getName() << ": " << Sym->getTypeName() << " (line"
+                   << Sym->getLineNumber() << ")" << "\n";
+        }
+      }
+
+      //unsigned NumScopes = ScopePrinter::CountScopes(Fn);
+
+      outs() << "";
+#else
+      ScopePrinterMk2 P(outs(), Fn);
+      P.Print();
+#endif
+
+    }
+  }
+
+  return EXIT_SUCCESS;
+}

>From 5465020274d753e285c60bfd2379f16dd6982efe Mon Sep 17 00:00:00 2001
From: Adam Yang <31109344+adam-yang at users.noreply.github.com>
Date: Thu, 17 Jul 2025 17:21:00 -0700
Subject: [PATCH 4/8] Deleted old code. Small cleanup

---
 .../llvm-debuginfo-check.cpp                  | 231 +-----------------
 1 file changed, 6 insertions(+), 225 deletions(-)

diff --git a/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp b/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
index 3fbbdb5f79cd4..c0072b16505b8 100644
--- a/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
+++ b/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
@@ -45,8 +45,7 @@ template <typename T> T Take(Expected<T> ExpectedResult, const Twine &Msg) {
   return ret;
 }
 
-struct ScopePrinterMk2 {
-
+struct ScopePrinter {
   std::vector<const LVLine *> Lines;
   std::unordered_map<LVAddress, std::vector<const LVLocation *>> LivetimeBegins;
   std::unordered_map<LVAddress, std::vector<const LVLocation *>>
@@ -95,7 +94,7 @@ struct ScopePrinterMk2 {
     }
   }
 
-  ScopePrinterMk2(raw_ostream &OS, const LVScopeFunction *Fn) : OS(OS) {
+  ScopePrinter(raw_ostream &OS, const LVScopeFunction *Fn) : OS(OS) {
     Walk(OS, Fn);
     std::sort(Lines.begin(), Lines.end(),
               [](const LVLine *a, const LVLine *b) -> bool {
@@ -105,14 +104,11 @@ struct ScopePrinterMk2 {
                   return a->getIsLineDebug();
                 return a->getID() < b->getID();
               });
-
-    //DumpAllInlineFunctionLevels(Fn);
   }
 
-
-  static void PrintIndent(int Indent) {
+  static void PrintIndent(raw_ostream &OS, int Indent) {
     for (int i = 0; i < Indent; i++)
-      outs() << "  ";
+      OS << "  ";
   }
 
   static void PrintCallstack(raw_ostream& OS, const LVScope* Scope) {
@@ -132,25 +128,6 @@ struct ScopePrinterMk2 {
     }
   }
 
-  void DumpAllInlineFunctionLevels(const LVScope *Scope) {
-    if (Scope->getIsInlinedFunction()) {
-      outs() << Scope->getName() << " ID:" << Scope->getID();
-      if (Scope->rangeCount()) {
-        for (auto R : *Scope->getRanges()) {
-          auto Lo = Scope->getRanges()->front()->getLowerAddress();
-          auto Hi = Scope->getRanges()->front()->getUpperAddress();
-          outs() << " [" << hexValue(Lo) << ":"
-                 << hexValue(Hi) << "]";
-        }
-      }
-
-      outs() << ", level: " << Scope->getLevel() << "\n";
-    }
-    if (Scope->scopeCount())
-      for (auto S : *Scope->getScopes())
-        DumpAllInlineFunctionLevels(S);
-  }
-
   static bool IsChildScopeOf(const LVScope *A, const LVScope *B) {
     while (A) {
       A = A->getParentScope();
@@ -194,7 +171,7 @@ struct ScopePrinterMk2 {
               auto LineScope = LineDebug->getParentScope();
               if (SymScope != LineScope && !IsChildScopeOf(LineScope, SymScope))
                 continue;
-              PrintIndent(1);
+              PrintIndent(OS, 1);
               OS << "VAR: " << Sym->getName() << ": "
                      << Sym->getType()->getName()
                      << " : ";
@@ -215,182 +192,6 @@ struct ScopePrinterMk2 {
   }
 };
 
-struct ScopePrinter {
-  unsigned NumScopesPrinted = 0;
-  std::unordered_map<LVAddress, std::vector<const LVLocation *>> LivetimeBegins;
-  std::unordered_map<LVAddress, std::vector<const LVLocation *>>
-      LivetimeEndsInclusive;
-  SetVector<const LVLocation *> LiveSymbols; // This needs to be ordered since we're iterating over it.
-  std::unordered_set<const LVScope *> SeenScopes;
-
-  static void PrintIndent(int Indent) {
-    for (int i = 0; i < Indent; i++)
-      outs() << "  ";
-  };
-
-  void PrintScope(const LVScope *Scope, int Indent) {
-    NumScopesPrinted++;
-    SeenScopes.insert(Scope);
-
-    bool IsInlined = false;
-    if (Scope->getIsInlinedFunction()) {
-      Indent++;
-      auto InlinedFn = cast<LVScopeFunctionInlined>(Scope);
-      IsInlined = true;
-      PrintIndent(Indent);
-      outs() << "INLINED_FUNCTION: " << InlinedFn->getName() << "\n";
-    }
-
-    if (const LVSymbols *Symbols = Scope->getSymbols()) {
-      for (const LVSymbol *Symbol : *Symbols) {
-        LVLocations SymbolLocations;
-        Symbol->getLocations(SymbolLocations);
-        for (const LVLocation *Loc : SymbolLocations) {
-          if (Loc->getIsGapEntry())
-            continue;
-
-          LVAddress Begin = Loc->getLowerAddress();
-          LVAddress End = Loc->getUpperAddress();
-          LivetimeBegins[Begin].push_back(Loc);
-          LivetimeEndsInclusive[End].push_back(Loc);
-          if (IncludeRanges) {
-            outs() << "RANGE: " << Symbol->getName() << ": ["
-                   << hexValue(Begin) << ":" << hexValue(End) << "]\n";
-          }
-        }
-      }
-    }
-
-    auto Lines = Scope->getLines();
-    if (Lines) {
-      int LastLine = -1;
-      StringRef LastFilename;
-      for (const LVLine *Line : *Lines) {
-
-        if (auto Scopes = Scope->getScopes()) {
-          for (const LVScope *SubScope : *Scopes) {
-            if (SeenScopes.count(SubScope))
-              continue;
-#if 0
-            if (SubScope->getBaseAddress() < Line->getAddress()) {
-              PrintScope(SubScope, Indent);
-            }
-#else
-
-
-            struct Local {
-              static LVAddress GetBaseAddress(const LVScope *S) {
-                if (S->rangeCount()) {
-                  return S->getRanges()->front()->getLowerAddress();
-                }
-                if (S->lineCount()) {
-                  return S->getLines()->front()->getAddress();
-                }
-                if (S->scopeCount()) {
-                  for (LVScope *SubS : *S->getScopes()) {
-                    LVAddress A = GetBaseAddress(SubS);
-                    if (A != -1)
-                      return A;
-                  }
-                }
-                return -1;
-              };
-            };
-#if 0
-            auto ScopeLines = SubScope->getLines();
-            if (ScopeLines && ScopeLines->size() &&
-                ScopeLines->front()->getAddress() < Line->getAddress()) {
-              PrintScope(SubScope, Indent);
-            } else {
-              outs() << "";
-            }
-#else
-            unsigned BaseAdress = Local::GetBaseAddress(SubScope);
-            if (BaseAdress < Line->getAddress()) {
-              PrintScope(SubScope, Indent);
-            }
-#endif
-#endif
-          }
-        }
-
-        // Update live list: Add lives
-        for (auto Loc : LivetimeBegins[Line->getAddress()])
-          LiveSymbols.insert(Loc);
-
-        if (Line->getIsLineDebug() && Line->getLineNumber() != 0) {
-          auto LineDebug = cast<LVLineDebug>(Line);
-          if (LineDebug->getLineNumber() == 605)
-            outs() << "";
-          if (LastLine != LineDebug->getLineNumber() ||
-              LineDebug->getPathname() != LastFilename) {
-            PrintIndent(Indent+1);
-            outs() << "LINE: " << " ["
-                   << hexValue(LineDebug->getAddress()) << "] "
-                   << LineDebug->getPathname() << ":"
-                   << LineDebug->getLineNumber() << "\n";
-
-            if (IncludeVars) {
-              for (auto SymLoc : LiveSymbols) {
-                PrintIndent(Indent+2);
-                const LVSymbol *Sym = SymLoc->getParentSymbol();
-                outs() << "VAR: " << Sym->getName() << ": "
-                       << Sym->getType()->getName()
-                       << " : ";
-                SymLoc->printLocations(outs());
-                outs() << "\n";
-              }
-            }
-          }
-          LastLine = LineDebug->getLineNumber();
-          LastFilename = LineDebug->getPathname();
-        } else if (Line->getIsLineAssembler()) {
-          if (IncludeCode)
-            outs() << "  CODE: " << " [" << hexValue(Line->getAddress())
-                   << "]  " << Line->getName() << "\n";
-        }
-
-        // Update live list: remove dead
-        for (auto Loc : LivetimeEndsInclusive[Line->getAddress()])
-          LiveSymbols.remove(Loc);
-      }
-    } else if (Scope->scopeCount()) {
-      for (auto SubS : *Scope->getScopes()) {
-        PrintScope(SubS, Indent);
-      }
-    }
-
-    if (IsInlined) {
-      PrintIndent(Indent);
-      outs() << "END_INLINED_FUNCTION\n";
-      Indent--;
-    }
-  }
-
-  static unsigned CountScopes(const LVScope *Scope) {
-    unsigned Count = 0;
-    auto Scopes = Scope->getScopes();
-    if (Scopes) {
-      for (auto S : *Scopes)
-        Count += CountScopes(S);
-    }
-    return Count + 1;
-  }
-
-  std::vector<const LVScope *> UnseenScopes;
-  void CollectUnsceenScopes(const LVScope *Scope) {
-    if (!SeenScopes.count(Scope)) {
-      UnseenScopes.push_back(Scope);
-      Scope->dump();
-    }
-    if (Scope->scopeCount()) {
-      for (auto S : *Scope->getScopes())
-        CollectUnsceenScopes(S);
-    }
-  }
-
-};
-
 int main(int argc, char *argv[]) {
   InitLLVM X(argc, argv);
 
@@ -428,28 +229,8 @@ int main(int argc, char *argv[]) {
         continue;
       outs() << "FUNCTION: " << Child->getName() << "\n";
  
-#if 0
-      ScopePrinter P;
-      P.PrintScope(Fn, 0);
-
-      P.CollectUnsceenScopes(Fn);
-
-      for (auto S : P.UnseenScopes) {
-        if (S->symbolCount()) {
-          for (auto Sym : *S->getSymbols())
-            outs() << Sym->getName() << ": " << Sym->getTypeName() << " (line"
-                   << Sym->getLineNumber() << ")" << "\n";
-        }
-      }
-
-      //unsigned NumScopes = ScopePrinter::CountScopes(Fn);
-
-      outs() << "";
-#else
-      ScopePrinterMk2 P(outs(), Fn);
+      ScopePrinter P(outs(), Fn);
       P.Print();
-#endif
-
     }
   }
 

>From 33a5977b98a9dbd6c16c7cfafdf622f0706fde30 Mon Sep 17 00:00:00 2001
From: Adam Yang <31109344+adam-yang at users.noreply.github.com>
Date: Thu, 17 Jul 2025 17:27:50 -0700
Subject: [PATCH 5/8] Deleted test code. Formatting.

---
 .../llvm/DebugInfo/DWARF/DWARFFormValue.h     |  1 -
 llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp   |  2 -
 .../DebugInfo/LogicalView/Core/LVLocation.cpp | 10 -----
 .../DebugInfo/LogicalView/Core/LVScope.cpp    |  3 --
 .../LogicalView/Readers/LVBinaryReader.cpp    |  3 --
 .../LogicalView/Readers/LVDWARFReader.cpp     | 11 +++--
 .../llvm-debuginfo-check.cpp                  | 43 +++++++++----------
 7 files changed, 26 insertions(+), 47 deletions(-)

diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h
index bfbc7d5cc087d..3818a90b909c6 100644
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFFormValue.h
@@ -83,7 +83,6 @@ class DWARFFormValue {
 
   LLVM_ABI bool isFormClass(FormClass FC) const;
   const DWARFUnit *getUnit() const { return U; }
-  LLVM_DUMP_METHOD void dump() const;
   LLVM_ABI void dump(raw_ostream &OS,
                      DIDumpOptions DumpOpts = DIDumpOptions()) const;
   LLVM_ABI void dumpSectionedAddress(raw_ostream &OS, DIDumpOptions DumpOpts,
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
index 01cc184fc8ea8..bc4badc771380 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
@@ -379,8 +379,6 @@ void DWARFFormValue::dumpAddressSection(const DWARFObject &Obj, raw_ostream &OS,
     OS << format(" [%" PRIu64 "]", SectionIndex);
 }
 
-LLVM_DUMP_METHOD void DWARFFormValue::dump() const { dump(dbgs()); }
-
 void DWARFFormValue::dump(raw_ostream &OS, DIDumpOptions DumpOpts) const {
   uint64_t UValue = Value.uval;
   bool CURelativeOffset = false;
diff --git a/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp b/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp
index 5d068e2871899..4724f4f007163 100644
--- a/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Core/LVLocation.cpp
@@ -673,16 +673,6 @@ void LVLocationSymbol::printExtra(raw_ostream &OS, bool Full) const {
     std::string Str;
     raw_string_ostream Stream(Str);
     printLocations(Stream);
-    #if 0
-    bool CodeViewLocation = getParentSymbol()->getHasCodeViewLocation();
-    std::string Leading;
-    for (LVOperation *Operation : *Entries) {
-      Stream << Leading
-             << (CodeViewLocation ? Operation->getOperandsCodeViewInfo()
-                                  : Operation->getOperandsDWARFInfo());
-      Leading = ", ";
-    }
-    #endif
     printAttributes(OS, Full, "{Entry} ", const_cast<LVLocationSymbol *>(this),
                     StringRef(Stream.str()),
                     /*UseQuotes=*/false,
diff --git a/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp b/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
index 714b269e477c1..93a567e89f774 100644
--- a/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
@@ -134,9 +134,6 @@ void LVScope::addElement(LVLine *Line) {
   if (!Lines)
     Lines = std::make_unique<LVLines>();
 
-  if (Line->getAddress() == 0x2fc)
-  outs() << "Set Parent for line at addr: " << Line->getAddress()
-         << "\n ";
   // Add it to parent.
   Lines->push_back(Line);
   Line->setParent(this);
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
index 42d71e13fa512..414f0f3efc82d 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVBinaryReader.cpp
@@ -733,9 +733,6 @@ void LVBinaryReader::processLines(LVLines *DebugLines,
   for (LVLine *Line : *DebugLines) {
     // Using the current line address, get its associated lexical scope and
     // add the line information to it.
-
-    if (Line->getAddress() == 0x2fc)
-      outs() << "";
     Scope = ScopesWithRanges->getEntry(Line->getAddress());
     if (!Scope) {
       // If missing scope, use the compile unit.
diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
index 267a4ea40661a..3ba5061718144 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
@@ -252,8 +252,6 @@ void LVDWARFReader::processOneAttribute(const DWARFDie &Die,
 
   case dwarf::DW_AT_ranges:
     if (RangesDataAvailable && options().getGeneralCollectRanges()) {
-      if (CurrentScope->getID() == 2237)
-        outs() << "";
       auto GetRanges = [](const DWARFFormValue &FormValue,
                           DWARFUnit *U) -> Expected<DWARFAddressRangesVector> {
         if (FormValue.getForm() == dwarf::DW_FORM_rnglistx)
@@ -463,16 +461,17 @@ LVScope *LVDWARFReader::processOneDie(const DWARFDie &InputDIE, LVScope *Parent,
         if (!CurrentRanges.empty()) {
           for (LVAddressRange &Range : CurrentRanges)
             addSectionRange(SectionIndex, CurrentScope, Range.first,
-                            Range.second > Range.first ? Range.second - 1
-                                                       : Range.second);
+                            Range.second > Range.first
+                                ? Range.second - 1 // Make hi-pc exclusive
+                                : Range.second);
           CurrentRanges.clear();
         }
         // If the scope is the CU, do not update the ranges set.
         if (FoundLowPC && FoundHighPC && !IsCompileUnit) {
           addSectionRange(SectionIndex, CurrentScope, CurrentLowPC,
                           CurrentHighPC > CurrentLowPC
-                              ? CurrentHighPC - 1
-                              : CurrentHighPC); // Make hi-pc exclusive
+                              ? CurrentHighPC - 1 // Make hi-pc exclusive
+                              : CurrentHighPC);
         }
       }
     }
diff --git a/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp b/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
index c0072b16505b8..0a3986229f532 100644
--- a/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
+++ b/llvm/tools/llvm-debuginfo-check/llvm-debuginfo-check.cpp
@@ -11,17 +11,17 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/InitLLVM.h"
-#include "llvm/Support/TargetSelect.h"
+#include "llvm/ADT/SetVector.h"
+#include "llvm/DebugInfo/LogicalView/LVReaderHandler.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/InitLLVM.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/ScopedPrinter.h"
-#include "llvm/DebugInfo/LogicalView/LVReaderHandler.h"
-#include "llvm/ADT/SetVector.h"
+#include "llvm/Support/TargetSelect.h"
 
 #include <string>
-#include <unordered_set>
 #include <unordered_map>
+#include <unordered_set>
 
 using namespace llvm;
 using namespace logicalview;
@@ -32,7 +32,8 @@ static cl::opt<std::string>
                   cl::Required);
 
 static cl::opt<bool> IncludeCode("code", cl::desc("Include asm"));
-static cl::opt<bool> IncludeRanges("ranges", cl::desc("Include variable ranges"));
+static cl::opt<bool> IncludeRanges("ranges",
+                                   cl::desc("Include variable ranges"));
 static cl::opt<bool> IncludeVars("vars", cl::desc("Include live variables"));
 
 template <typename T> T Take(Expected<T> ExpectedResult, const Twine &Msg) {
@@ -52,7 +53,7 @@ struct ScopePrinter {
       LivetimeEndsExclusive;
   raw_ostream &OS;
 
-  void Walk(raw_ostream &OS, const LVScope* Scope) {
+  void Walk(raw_ostream &OS, const LVScope *Scope) {
     if (Scope->scopeCount()) {
       for (const LVScope *ChildScope : *Scope->getScopes())
         Walk(OS, ChildScope);
@@ -60,8 +61,6 @@ struct ScopePrinter {
     if (Scope->lineCount()) {
       for (const LVLine *Line : *Scope->getLines()) {
         Lines.push_back(Line);
-        if (Line->getParentScope() != Scope)
-          OS << "";
       }
     }
     if (Scope->symbolCount()) {
@@ -72,7 +71,8 @@ struct ScopePrinter {
           continue;
 
         if (IncludeRanges) {
-          OS << "RANGES: " << Symbol->getName() << " (line " << Symbol->getLineNumber() << ")" << ": ";
+          OS << "RANGES: " << Symbol->getName() << " (line "
+             << Symbol->getLineNumber() << ")" << ": ";
         }
 
         for (const LVLocation *Loc : SymbolLocations) {
@@ -111,14 +111,15 @@ struct ScopePrinter {
       OS << "  ";
   }
 
-  static void PrintCallstack(raw_ostream& OS, const LVScope* Scope) {
+  static void PrintCallstack(raw_ostream &OS, const LVScope *Scope) {
     bool First = true;
     const LVScope *PrevScope = nullptr;
     while (Scope) {
       if (Scope->getIsFunction() || Scope->getIsInlinedFunction()) {
         OS << "[" << Scope->getName();
         if (PrevScope && PrevScope->getIsInlinedFunction()) {
-          OS << ":" << cast<LVScopeFunctionInlined>(PrevScope)->getCallLineNumber();
+          OS << ":"
+             << cast<LVScopeFunctionInlined>(PrevScope)->getCallLineNumber();
         }
         OS << "]";
         First = false;
@@ -138,7 +139,8 @@ struct ScopePrinter {
   }
 
   void Print() {
-    SetVector<const LVLocation *> LiveSymbols; // This needs to be ordered since we're iterating over it.
+    SetVector<const LVLocation *>
+        LiveSymbols; // This needs to be ordered since we're iterating over it.
     int LastLine = -1;
     StringRef LastFilename;
     for (const LVLine *Line : Lines) {
@@ -165,16 +167,13 @@ struct ScopePrinter {
           if (IncludeVars) {
             for (auto SymLoc : LiveSymbols) {
               const LVSymbol *Sym = SymLoc->getParentSymbol();
-              if (Sym->getName() == "InMRT1")
-                outs() << "";
               auto SymScope = Sym->getParentScope();
               auto LineScope = LineDebug->getParentScope();
               if (SymScope != LineScope && !IsChildScopeOf(LineScope, SymScope))
                 continue;
               PrintIndent(OS, 1);
               OS << "VAR: " << Sym->getName() << ": "
-                     << Sym->getType()->getName()
-                     << " : ";
+                 << Sym->getType()->getName() << " : ";
               SymLoc->printLocations(OS);
               OS << " (line " << Sym->getLineNumber() << ")";
               OS << "\n";
@@ -200,8 +199,8 @@ int main(int argc, char *argv[]) {
   llvm::InitializeAllTargetMCs();
   InitializeAllDisassemblers();
 
-  cl::ParseCommandLineOptions(argc, argv,
-                              "Check debug info correctness via annotations.\n");
+  cl::ParseCommandLineOptions(
+      argc, argv, "Check debug info correctness via annotations.\n");
 
   ScopedPrinter W(llvm::outs());
   LVOptions Options;
@@ -213,8 +212,8 @@ int main(int argc, char *argv[]) {
   std::vector<std::string> Objects;
   LVReaderHandler Handler(Objects, W, Options);
   auto Readers = Take(Handler.createReader(InputFilename),
-       Twine("Failed to create LV reader from '") + Twine(InputFilename) +
-           Twine("'"));
+                      Twine("Failed to create LV reader from '") +
+                          Twine(InputFilename) + Twine("'"));
 
   auto *CU = Readers->getCompileUnit();
   if (!CU)
@@ -228,7 +227,7 @@ int main(int argc, char *argv[]) {
       if (!Lines)
         continue;
       outs() << "FUNCTION: " << Child->getName() << "\n";
- 
+
       ScopePrinter P(outs(), Fn);
       P.Print();
     }

>From c13d01501827da08525b647090440897604a56ca Mon Sep 17 00:00:00 2001
From: Adam Yang <hanbyang at microsoft.com>
Date: Mon, 21 Jul 2025 16:07:42 -0700
Subject: [PATCH 6/8] Fixed old test fails from the logical view changes

---
 .../DWARF/01-dwarf-print-basic-details.test           |  6 +++---
 .../DWARF/01-dwarf-select-logical-elements.test       |  2 +-
 .../DWARF/02-dwarf-logical-lines.test                 |  4 ++--
 .../03-dwarf-incorrect-lexical-scope-typedef.test     |  6 +++---
 .../DWARF/06-dwarf-full-logical-view.test             |  6 +++---
 .../DWARF/pr-incorrect-logical-instructions.test      | 11 +++++------
 6 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-print-basic-details.test b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-print-basic-details.test
index 54dbd7466e4f6..6d767eb9e883a 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-print-basic-details.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-print-basic-details.test
@@ -45,8 +45,6 @@
 ; ONE-NEXT: [004]     6             {Line}
 ; ONE-NEXT: [004]                   {Code} 'movl	$0x7, -0x4(%rbp)'
 ; ONE-NEXT: [004]                   {Code} 'jmp	0x6'
-; ONE-NEXT: [004]     8             {Line}
-; ONE-NEXT: [004]                   {Code} 'movl	-0x14(%rbp), %eax'
 ; ONE-NEXT: [003]     4           {TypeAlias} 'INTEGER' -> 'int'
 ; ONE-NEXT: [003]     2           {Line}
 ; ONE-NEXT: [003]                 {Code} 'pushq	%rbp'
@@ -60,10 +58,12 @@
 ; ONE-NEXT: [003]                 {Code} 'testb	$0x1, -0x15(%rbp)'
 ; ONE-NEXT: [003]                 {Code} 'je	0x13'
 ; ONE-NEXT: [003]     8           {Line}
+; ONE-NEXT: [003]                 {Code} 'movl	-0x14(%rbp), %eax'
+; ONE-NEXT: [003]     8           {Line}
 ; ONE-NEXT: [003]                 {Code} 'movl	%eax, -0x4(%rbp)'
 ; ONE-NEXT: [003]     9           {Line}
 ; ONE-NEXT: [003]                 {Code} 'movl	-0x4(%rbp), %eax'
 ; ONE-NEXT: [003]                 {Code} 'popq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'retq'
-; ONE-NEXT: [003]     9           {Line}
 ; ONE-NEXT: [002]     1         {TypeAlias} 'INTPTR' -> '* const int'
+; ONE-NEXT: [002]     9         {Line}
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-select-logical-elements.test b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-select-logical-elements.test
index f84e9201d3044..5690cf585c379 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-select-logical-elements.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/01-dwarf-select-logical-elements.test
@@ -34,7 +34,7 @@
 ; ONE-NEXT: [004]           {Code} 'movl	$0x7, -0x4(%rbp)'
 ; ONE-NEXT: [003]           {Code} 'movl	%eax, -0x4(%rbp)'
 ; ONE-NEXT: [003]           {Code} 'movl	%esi, -0x14(%rbp)'
-; ONE-NEXT: [004]           {Code} 'movl	-0x14(%rbp), %eax'
+; ONE-NEXT: [003]           {Code} 'movl	-0x14(%rbp), %eax'
 ; ONE-NEXT: [003]           {Code} 'movl	-0x4(%rbp), %eax'
 ; ONE-NEXT: [003]     4     {TypeAlias} 'INTEGER' -> 'int'
 ; ONE-NEXT: [004]     5     {Variable} 'CONSTANT' -> 'const INTEGER'
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/02-dwarf-logical-lines.test b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/02-dwarf-logical-lines.test
index 533914f002827..bff7c945b6eac 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/02-dwarf-logical-lines.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/02-dwarf-logical-lines.test
@@ -42,7 +42,7 @@
 ; ONE-NEXT: [003]                 {Code} 'addq	$0x10, %rsp'
 ; ONE-NEXT: [003]                 {Code} 'popq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'retq'
-; ONE-NEXT: [003]     6           {Line}
+; ONE-NEXT: [002]     6         {Line}
 ; ONE-EMPTY:
 ; ONE-NEXT: Logical View:
 ; ONE-NEXT: [000]           {File} 'hello-world-dwarf-gcc.o' -> elf64-x86-64
@@ -64,4 +64,4 @@
 ; ONE-NEXT: [003]     7           {Line}
 ; ONE-NEXT: [003]                 {Code} 'popq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'retq'
-; ONE-NEXT: [003]     7           {Line}
+; ONE-NEXT: [002]     7         {Line}
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/03-dwarf-incorrect-lexical-scope-typedef.test b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/03-dwarf-incorrect-lexical-scope-typedef.test
index dc57d01f3b8bb..69b65148361d7 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/03-dwarf-incorrect-lexical-scope-typedef.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/03-dwarf-incorrect-lexical-scope-typedef.test
@@ -59,7 +59,6 @@
 ; ONE-NEXT: [004]    10             {Line}
 ; ONE-NEXT: [004]    10             {Line}
 ; ONE-NEXT: [004]    10             {Line}
-; ONE-NEXT: [004]    13             {Line}
 ; ONE-NEXT: [003]     3           {Parameter} 'Param' -> 'char'
 ; ONE-NEXT: [003]     7           {TypeAlias} 'FLOAT' -> 'float'
 ; ONE-NEXT: [003]     4           {TypeAlias} 'INT' -> 'int'
@@ -71,6 +70,7 @@
 ; ONE-NEXT: [003]    13           {Line}
 ; ONE-NEXT: [003]    13           {Line}
 ; ONE-NEXT: [003]    13           {Line}
+; ONE-NEXT: [002]    13         {Line}
 ; ONE-EMPTY:
 ; ONE-NEXT: Logical View:
 ; ONE-NEXT: [000]           {File} 'pr-44884-dwarf-gcc.o' -> elf64-x86-64
@@ -91,7 +91,6 @@
 ; ONE-NEXT: [005]     9               {Line}
 ; ONE-NEXT: [005]     9               {Line}
 ; ONE-NEXT: [005]    10               {Line}
-; ONE-NEXT: [005]    13               {Line}
 ; ONE-NEXT: [004]     7             {TypeAlias} 'FLOAT' -> 'float'
 ; ONE-NEXT: [003]     3           {Parameter} 'Param' -> 'char'
 ; ONE-NEXT: [003]     4           {TypeAlias} 'INT' -> 'int'
@@ -99,8 +98,9 @@
 ; ONE-NEXT: [003]     3           {Line}
 ; ONE-NEXT: [003]     5           {Line}
 ; ONE-NEXT: [003]    13           {Line}
+; ONE-NEXT: [003]    13           {Line}
 ; ONE-NEXT: [003]    14           {Line}
-; ONE-NEXT: [003]    14           {Line}
+; ONE-NEXT: [002]    14         {Line}
 
 ; Using the selection facilities, we can produce a simple tabular
 ; output showing just the logical types that are 'Typedef'.
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/06-dwarf-full-logical-view.test b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/06-dwarf-full-logical-view.test
index 6616710a10045..a2f05ddb3e6ec 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/06-dwarf-full-logical-view.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/06-dwarf-full-logical-view.test
@@ -53,8 +53,6 @@
 ; ONE-NEXT: [0x0000000023][004]      6             {Line} {NewStatement} '/data/projects/tests/input/general/test.cpp'
 ; ONE-NEXT: [0x0000000023][004]                    {Code} 'movl	$0x7, -0x4(%rbp)'
 ; ONE-NEXT: [0x000000002a][004]                    {Code} 'jmp	0x6'
-; ONE-NEXT: [0x000000002f][004]      8             {Line} {NewStatement} '/data/projects/tests/input/general/test.cpp'
-; ONE-NEXT: [0x000000002f][004]                    {Code} 'movl	-0x14(%rbp), %eax'
 ; ONE-NEXT: [0x0000000063][003]      2           {Parameter} 'ParamBool' -> [0x00000000bc]'bool'
 ; ONE-NEXT: [0x0000000063][004]                    {Coverage} 100.00%
 ; ONE-NEXT: [0x0000000064][004]                    {Location}
@@ -79,13 +77,15 @@
 ; ONE-NEXT: [0x0000000012][003]      3           {Line} {NewStatement} {PrologueEnd} '/data/projects/tests/input/general/test.cpp'
 ; ONE-NEXT: [0x0000000012][003]                  {Code} 'testb	$0x1, -0x15(%rbp)'
 ; ONE-NEXT: [0x0000000016][003]                  {Code} 'je	0x13'
+; ONE-NEXT: [0x000000002f][003]      8           {Line} {NewStatement} '/data/projects/tests/input/general/test.cpp'
+; ONE-NEXT: [0x000000002f][003]                  {Code} 'movl	-0x14(%rbp), %eax'
 ; ONE-NEXT: [0x0000000032][003]      8           {Line} '/data/projects/tests/input/general/test.cpp'
 ; ONE-NEXT: [0x0000000032][003]                  {Code} 'movl	%eax, -0x4(%rbp)'
 ; ONE-NEXT: [0x0000000035][003]      9           {Line} {NewStatement} '/data/projects/tests/input/general/test.cpp'
 ; ONE-NEXT: [0x0000000035][003]                  {Code} 'movl	-0x4(%rbp), %eax'
 ; ONE-NEXT: [0x0000000038][003]                  {Code} 'popq	%rbp'
 ; ONE-NEXT: [0x0000000039][003]                  {Code} 'retq'
-; ONE-NEXT: [0x000000003a][003]      9           {Line} {NewStatement} {EndSequence} '/data/projects/tests/input/general/test.cpp'
+; ONE-NEXT: [0x000000003a][002]      9         {Line} {NewStatement} {EndSequence} '/data/projects/tests/input/general/test.cpp'
 ; ONE-EMPTY:
 ; ONE-NEXT: -----------------------------
 ; ONE-NEXT: Element      Total    Printed
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/pr-incorrect-logical-instructions.test b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/pr-incorrect-logical-instructions.test
index a99eae2aa2933..b38db28085b3e 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/pr-incorrect-logical-instructions.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/DWARF/pr-incorrect-logical-instructions.test
@@ -84,7 +84,6 @@
 ; ONE-NEXT: [003]                 {Code} 'addq	$0x10, %rsp'
 ; ONE-NEXT: [003]                 {Code} 'popq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'retq'
-; ONE-NEXT: [003]                 {Code} 'data16'
 ; ONE-NEXT: [002]    10         {Function} extern not_inlined 'test' -> 'int'
 ; ONE-NEXT: [003]                 {Block}
 ; ONE-NEXT: [004]    13             {Line}
@@ -106,8 +105,6 @@
 ; ONE-NEXT: [004]                   {Code} 'movl	-0x8(%rbp), %eax'
 ; ONE-NEXT: [004]                   {Code} 'addl	$0x1, %eax'
 ; ONE-NEXT: [004]                   {Code} 'movl	%eax, -0x8(%rbp)'
-; ONE-NEXT: [004]    17             {Line}
-; ONE-NEXT: [004]                   {Code} 'movl	-0x8(%rbp), %eax'
 ; ONE-NEXT: [003]    10           {Line}
 ; ONE-NEXT: [003]                 {Code} 'pushq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'movq	%rsp, %rbp'
@@ -120,6 +117,8 @@
 ; ONE-NEXT: [003]    11           {Line}
 ; ONE-NEXT: [003]                 {Code} 'movl	%eax, -0x8(%rbp)'
 ; ONE-NEXT: [003]    17           {Line}
+; ONE-NEXT: [003]                 {Code} 'movl	-0x8(%rbp), %eax'
+; ONE-NEXT: [003]    17           {Line}
 ; ONE-NEXT: [003]                 {Code} 'addq	$0x10, %rsp'
 ; ONE-NEXT: [003]                 {Code} 'popq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'retq'
@@ -132,7 +131,8 @@
 ; ONE-NEXT: [003]                 {Code} 'xorl	%eax, %eax'
 ; ONE-NEXT: [003]                 {Code} 'popq	%rbp'
 ; ONE-NEXT: [003]                 {Code} 'retq'
-; ONE-NEXT: [003]    21           {Line}
+; ONE-NEXT: [002]               {Code} 'data16'
+; ONE-NEXT: [002]    21         {Line}
 
 ; RUN: llvm-debuginfo-analyzer --attribute=level \
 ; RUN:                         --print=instructions \
@@ -172,7 +172,6 @@
 ; TWO-NEXT: [003]                 {Code} 'addq	$0x10, %rsp'
 ; TWO-NEXT: [003]                 {Code} 'popq	%rbp'
 ; TWO-NEXT: [003]                 {Code} 'retq'
-; TWO-NEXT: [003]                 {Code} 'data16'
 ; TWO-NEXT: [002]    10         {Function} extern not_inlined 'test' -> 'int'
 ; TWO-NEXT: [003]                 {Block}
 ; TWO-NEXT: [004]                   {Code} 'movl	$0x0, -0xc(%rbp)'
@@ -187,7 +186,6 @@
 ; TWO-NEXT: [004]                   {Code} 'movl	-0x8(%rbp), %eax'
 ; TWO-NEXT: [004]                   {Code} 'addl	$0x1, %eax'
 ; TWO-NEXT: [004]                   {Code} 'movl	%eax, -0x8(%rbp)'
-; TWO-NEXT: [004]                   {Code} 'movl	-0x8(%rbp), %eax'
 ; TWO-NEXT: [003]                 {Code} 'pushq	%rbp'
 ; TWO-NEXT: [003]                 {Code} 'movq	%rsp, %rbp'
 ; TWO-NEXT: [003]                 {Code} 'subq	$0x10, %rsp'
@@ -195,6 +193,7 @@
 ; TWO-NEXT: [003]                 {Code} 'movl	-0x4(%rbp), %eax'
 ; TWO-NEXT: [003]                 {Code} 'subl	(%rip), %eax'
 ; TWO-NEXT: [003]                 {Code} 'movl	%eax, -0x8(%rbp)'
+; TWO-NEXT: [003]                 {Code} 'movl	-0x8(%rbp), %eax'
 ; TWO-NEXT: [003]                 {Code} 'addq	$0x10, %rsp'
 ; TWO-NEXT: [003]                 {Code} 'popq	%rbp'
 ; TWO-NEXT: [003]                 {Code} 'retq'

>From 405c70e4529b759ba16ae5f5ec9ca1d149eba042 Mon Sep 17 00:00:00 2001
From: Adam Yang <hanbyang at microsoft.com>
Date: Mon, 21 Jul 2025 16:08:19 -0700
Subject: [PATCH 7/8] Made the new test a real test

---
 .../AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll  | 26 ++++++++++++++-----
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/llvm/test/CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll b/llvm/test/CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll
index 1d031979309a6..569c975409c37 100644
--- a/llvm/test/CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll
+++ b/llvm/test/CodeGen/AMDGPU/amdgpu-llvm-debuginfo-analyzer.ll
@@ -1,13 +1,25 @@
 ; RUN: llc %s -o %t.o -mcpu=gfx1030 -filetype=obj -O0
-; RUN: llvm-debuginfo-analyzer %t.o --print=all --attribute=all | FileCheck %s
+; RUN: llvm-debuginfo-check %t.o --vars | FileCheck %s
 
 ; This test compiles this module with AMDGPU backend under -O0,
-; and makes sure llvm-debuginfo-analzyer works for it.
+; and makes sure llvm-debuginfo-check works for it.
 
-; Simple checks to make sure llvm-debuginfo-analzyer didn't fail early.
-; CHECK: Logical View:
-; CHECK: {CompileUnit}
-; CHECK: {Code} 's_endpgm'
+; CHECK: FUNCTION: main
+; CHECK: LINE: {{.+}}basic_var.hlsl:7
+; CHECK: LINE: {{.+}}basic_var.hlsl:11
+; CHECK: VAR: dtid: uint3 : reg{{.+}}, piece 4
+; CHECK: LINE: {{.+}}basic_var.hlsl:17
+; CHECK: VAR: dtid: uint3 : reg{{.+}}, piece 4
+; CHECK: LINE: {{.+}}basic_var.hlsl:11
+; CHECK: VAR: dtid: uint3 : reg{{.+}}, piece 4
+; CHECK: LINE: {{.+}}basic_var.hlsl:14
+; CHECK-DAG: VAR: dtid: uint3 : reg{{.+}}, piece 4
+; CHECK: LINE: {{.+}}basic_var.hlsl:17
+; CHECK-DAG: VAR: dtid: uint3 : reg{{.+}}, piece 4
+; CHECK-DAG: VAR: my_var2: float : reg{{.+}}
+; CHECK: LINE: {{.+}}basic_var.hlsl:19
+; CHECK-DAG: VAR: dtid: uint3 : reg{{.+}}, piece 4
+; CHECK-DAG: VAR: my_var2: float : reg{{.+}}
 
 source_filename = "module"
 target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-p9:192:256:256:32-p10:32:32-p11:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8:9-p32:32:32-v8:8-v16:16-v32:32-v48:32-v64:32-v80:32-v96:32-v112:32-v128:32-v144:32-v160:32-v176:32-v192:32-v208:32-v224:32-v240:32-v256:32-i1:32-i8:8-i16:16-i32:32-i64:32-f16:16-f32:32-f64:32"
@@ -100,4 +112,4 @@ attributes #4 = { nocallback nofree nosync nounwind willreturn memory(read) }
 !34 = !DILocalVariable(name: "my_var2", scope: !14, file: !1, line: 14, type: !9)
 !35 = !DILocation(line: 14, column: 9, scope: !14)
 !36 = !DILocation(line: 17, column: 14, scope: !14)
-!37 = !DILocation(line: 19, column: 1, scope: !14)
\ No newline at end of file
+!37 = !DILocation(line: 19, column: 1, scope: !14)

>From 5a649ba86ced560e971b818418eab807b436fd14 Mon Sep 17 00:00:00 2001
From: Adam Yang <hanbyang at microsoft.com>
Date: Tue, 22 Jul 2025 13:48:01 -0700
Subject: [PATCH 8/8] Fixed the rest of the tests

---
 .../test/CodeGen/AMDGPU/amdgpu-reloc-const.ll |  4 ++--
 .../01-wasm-print-basic-details.test          |  8 ++++----
 .../WebAssembly/02-wasm-logical-lines.test    |  4 ++--
 ...-wasm-incorrect-lexical-scope-typedef.test |  8 ++++----
 .../06-wasm-full-logical-view.test            |  8 ++++----
 .../DebugInfo/LogicalView/DWARFReaderTest.cpp | 20 +++++--------------
 6 files changed, 21 insertions(+), 31 deletions(-)

diff --git a/llvm/test/CodeGen/AMDGPU/amdgpu-reloc-const.ll b/llvm/test/CodeGen/AMDGPU/amdgpu-reloc-const.ll
index 1af5938a5d48f..7f9587567a371 100644
--- a/llvm/test/CodeGen/AMDGPU/amdgpu-reloc-const.ll
+++ b/llvm/test/CodeGen/AMDGPU/amdgpu-reloc-const.ll
@@ -11,8 +11,8 @@
 ; GCN-NEXT: .Lfunc_end
 
 ; ELF: Relocations [
-; ELF-NEXT: Section (3) .rel.text {
-; ELF-NEXT: 0x{{[0-9]+}} R_AMDGPU_ABS32_LO doff_0_0_b{{$}}
+; ELF-NEXT: Section (3) .rela.text {
+; ELF-NEXT: 0x{{[0-9]+}} R_AMDGPU_ABS32_LO doff_0_0_b 0x0
 
 define amdgpu_ps void @ps_main(i32 %arg, i32 inreg %arg1, i32 inreg %arg2) local_unnamed_addr #0 {
   %rc = call i32 @llvm.amdgcn.reloc.constant(metadata !1)
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/01-wasm-print-basic-details.test b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/01-wasm-print-basic-details.test
index 4927086563330..183e3ddc75ca1 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/01-wasm-print-basic-details.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/01-wasm-print-basic-details.test
@@ -56,8 +56,6 @@
 ; ONE-NEXT: [004]                   {Code} 'local.get	11'
 ; ONE-NEXT: [004]                   {Code} 'i32.store	28'
 ; ONE-NEXT: [004]                   {Code} 'br      	1'
-; ONE-NEXT: [004]     -             {Line}
-; ONE-NEXT: [004]                   {Code} 'end'
 ; ONE-NEXT: [003]     4           {TypeAlias} 'INTEGER' -> 'int'
 ; ONE-NEXT: [003]     2           {Line}
 ; ONE-NEXT: [003]                 {Code} 'nop'
@@ -98,6 +96,8 @@
 ; ONE-NEXT: [003]                 {Code} 'local.get	9'
 ; ONE-NEXT: [003]                 {Code} 'i32.eqz'
 ; ONE-NEXT: [003]                 {Code} 'br_if   	0'
+; ONE-NEXT: [003]     -           {Line}
+; ONE-NEXT: [003]                 {Code} 'end'
 ; ONE-NEXT: [003]     8           {Line}
 ; ONE-NEXT: [003]                 {Code} 'local.get	5'
 ; ONE-NEXT: [003]                 {Code} 'i32.load	20'
@@ -115,6 +115,6 @@
 ; ONE-NEXT: [003]                 {Code} 'local.get	13'
 ; ONE-NEXT: [003]                 {Code} 'return'
 ; ONE-NEXT: [003]                 {Code} 'end'
-; ONE-NEXT: [003]     9           {Line}
-; ONE-NEXT: [003]                 {Code} 'unreachable'
 ; ONE-NEXT: [002]     1         {TypeAlias} 'INTPTR' -> '* const int'
+; ONE-NEXT: [002]     9         {Line}
+; ONE-NEXT: [002]               {Code} 'unreachable'
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/02-wasm-logical-lines.test b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/02-wasm-logical-lines.test
index 50a531ad7d823..8d764648bdd5a 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/02-wasm-logical-lines.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/02-wasm-logical-lines.test
@@ -71,5 +71,5 @@
 ; ONE-NEXT: [003]                 {Code} 'local.get	6'
 ; ONE-NEXT: [003]                 {Code} 'return'
 ; ONE-NEXT: [003]                 {Code} 'end'
-; ONE-NEXT: [003]     6           {Line}
-; ONE-NEXT: [003]                 {Code} 'return'
+; ONE-NEXT: [002]     6         {Line}
+; ONE-NEXT: [002]               {Code} 'return'
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/03-wasm-incorrect-lexical-scope-typedef.test b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/03-wasm-incorrect-lexical-scope-typedef.test
index 1192a0cb7ca5a..a89d49abd6280 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/03-wasm-incorrect-lexical-scope-typedef.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/03-wasm-incorrect-lexical-scope-typedef.test
@@ -55,7 +55,6 @@
 ; ONE-NEXT: [003]     -           {Line}
 ; ONE-NEXT: [003]     1           {Line}
 ; ONE-NEXT: [003]     1           {Line}
-; ONE-NEXT: [003]     1           {Line}
 ; ONE-NEXT: [002]     3         {Function} extern not_inlined 'foo' -> 'unsigned int'
 ; ONE-NEXT: [003]                 {Block}
 ; ONE-NEXT: [004]     9             {Variable} 'Added' -> 'FLOAT'
@@ -67,7 +66,6 @@
 ; ONE-NEXT: [004]    10             {Line}
 ; ONE-NEXT: [004]    10             {Line}
 ; ONE-NEXT: [004]    10             {Line}
-; ONE-NEXT: [004]    13             {Line}
 ; ONE-NEXT: [003]     3           {Parameter} 'Param' -> 'char'
 ; ONE-NEXT: [003]     7           {TypeAlias} 'FLOAT' -> 'float'
 ; ONE-NEXT: [003]     4           {TypeAlias} 'INT' -> 'int'
@@ -79,6 +77,8 @@
 ; ONE-NEXT: [003]    13           {Line}
 ; ONE-NEXT: [003]    13           {Line}
 ; ONE-NEXT: [003]    13           {Line}
+; ONE-NEXT: [002]     1         {Line}
+; ONE-NEXT: [002]    13         {Line}
 ; ONE-EMPTY:
 ; ONE-NEXT: Logical View:
 ; ONE-NEXT: [000]           {File} 'pr-44884-dwarf-gcc.o' -> elf64-x86-64
@@ -99,7 +99,6 @@
 ; ONE-NEXT: [005]     9               {Line}
 ; ONE-NEXT: [005]     9               {Line}
 ; ONE-NEXT: [005]    10               {Line}
-; ONE-NEXT: [005]    13               {Line}
 ; ONE-NEXT: [004]     7             {TypeAlias} 'FLOAT' -> 'float'
 ; ONE-NEXT: [003]     3           {Parameter} 'Param' -> 'char'
 ; ONE-NEXT: [003]     4           {TypeAlias} 'INT' -> 'int'
@@ -107,8 +106,9 @@
 ; ONE-NEXT: [003]     3           {Line}
 ; ONE-NEXT: [003]     5           {Line}
 ; ONE-NEXT: [003]    13           {Line}
+; ONE-NEXT: [003]    13           {Line}
 ; ONE-NEXT: [003]    14           {Line}
-; ONE-NEXT: [003]    14           {Line}
+; ONE-NEXT: [002]    14         {Line}
 
 ; Using the selection facilities, we can produce a simple tabular
 ; output showing just the logical types that are 'Typedef'.
diff --git a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/06-wasm-full-logical-view.test b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/06-wasm-full-logical-view.test
index ac4873f0a4d34..e152f40d99213 100644
--- a/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/06-wasm-full-logical-view.test
+++ b/llvm/test/tools/llvm-debuginfo-analyzer/WebAssembly/06-wasm-full-logical-view.test
@@ -64,8 +64,6 @@
 ; ONE-NEXT: [0x000000005d][004]                    {Code} 'local.get	11'
 ; ONE-NEXT: [0x000000005f][004]                    {Code} 'i32.store	28'
 ; ONE-NEXT: [0x0000000062][004]                    {Code} 'br      	1'
-; ONE-NEXT: [0x0000000064][004]      0             {Line} '{{.*}}/general/test.cpp'
-; ONE-NEXT: [0x0000000064][004]                    {Code} 'end'
 ; ONE-NEXT: [0x000000005e][003]      2           {Parameter} 'ParamBool' -> [0x00000000b3]'bool'
 ; ONE-NEXT: [0x000000005e][004]                    {Coverage} 100.00%
 ; ONE-NEXT: [0x000000005f][004]                    {Location}
@@ -118,6 +116,8 @@
 ; ONE-NEXT: [0x0000000047][003]                  {Code} 'local.get	9'
 ; ONE-NEXT: [0x0000000049][003]                  {Code} 'i32.eqz'
 ; ONE-NEXT: [0x000000004a][003]                  {Code} 'br_if   	0'
+; ONE-NEXT: [0x0000000064][003]      0           {Line} '{{.*}}/general/test.cpp'
+; ONE-NEXT: [0x0000000064][003]                  {Code} 'end'
 ; ONE-NEXT: [0x0000000065][003]      8           {Line} {NewStatement} '{{.*}}/general/test.cpp'
 ; ONE-NEXT: [0x0000000065][003]                  {Code} 'local.get	5'
 ; ONE-NEXT: [0x0000000067][003]                  {Code} 'i32.load	20'
@@ -135,8 +135,8 @@
 ; ONE-NEXT: [0x000000007b][003]                  {Code} 'local.get	13'
 ; ONE-NEXT: [0x000000007d][003]                  {Code} 'return'
 ; ONE-NEXT: [0x000000007e][003]                  {Code} 'end'
-; ONE-NEXT: [0x000000007f][003]      9           {Line} {NewStatement} {EndSequence} '{{.*}}/general/test.cpp'
-; ONE-NEXT: [0x000000007f][003]                  {Code} 'unreachable'
+; ONE-NEXT: [0x000000007f][002]      9         {Line} {NewStatement} {EndSequence} '{{.*}}/general/test.cpp'
+; ONE-NEXT: [0x000000007f][002]                {Code} 'unreachable'
 ; ONE-EMPTY:
 ; ONE-NEXT: -----------------------------
 ; ONE-NEXT: Element      Total    Printed
diff --git a/llvm/unittests/DebugInfo/LogicalView/DWARFReaderTest.cpp b/llvm/unittests/DebugInfo/LogicalView/DWARFReaderTest.cpp
index 544c39a3c7b2e..78dc8502e9676 100644
--- a/llvm/unittests/DebugInfo/LogicalView/DWARFReaderTest.cpp
+++ b/llvm/unittests/DebugInfo/LogicalView/DWARFReaderTest.cpp
@@ -81,7 +81,7 @@ void checkElementProperties(LVReader *Reader) {
   EXPECT_EQ(Language, LVSourceLanguage::DW_LANG_C_plus_plus_14);
   EXPECT_EQ(Language.getName(), "DW_LANG_C_plus_plus_14");
 
-  EXPECT_EQ(CompileUnit->lineCount(), 0u);
+  EXPECT_EQ(CompileUnit->lineCount(), 1u);
   EXPECT_EQ(CompileUnit->scopeCount(), 1u);
   EXPECT_EQ(CompileUnit->symbolCount(), 0u);
   EXPECT_EQ(CompileUnit->typeCount(), 7u);
@@ -129,7 +129,7 @@ void checkElementProperties(LVReader *Reader) {
   // Lines (debug and assembler) for 'foo'.
   const LVLines *Lines = Function->getLines();
   ASSERT_NE(Lines, nullptr);
-  ASSERT_EQ(Lines->size(), 0x12u);
+  ASSERT_EQ(Lines->size(), 19u);
 
   // Check size of types in CompileUnit.
   const LVTypes *Types = CompileUnit->getTypes();
@@ -252,7 +252,7 @@ void checkElementComparison(LVReader *Reference, LVReader *Target) {
 
   // Get comparison table.
   LVPassTable PassTable = Compare.getPassTable();
-  ASSERT_EQ(PassTable.size(), 5u);
+  ASSERT_EQ(PassTable.size(), 4u);
 
   LVReader *Reader;
   LVElement *Element;
@@ -278,18 +278,8 @@ void checkElementComparison(LVReader *Reference, LVReader *Target) {
   EXPECT_EQ(Element->getName(), "INTEGER");
   EXPECT_EQ(Pass, LVComparePass::Missing);
 
-  // Reference: Missing DebugLine
-  std::tie(Reader, Element, Pass) = PassTable[2];
-  ASSERT_NE(Reader, nullptr);
-  ASSERT_NE(Element, nullptr);
-  EXPECT_EQ(Reader, Reference);
-  EXPECT_EQ(Element->getLevel(), 3u);
-  EXPECT_EQ(Element->getLineNumber(), 8u);
-  EXPECT_EQ(Element->getName(), "");
-  EXPECT_EQ(Pass, LVComparePass::Missing);
-
   // Target: Added Variable 'CONSTANT'
-  std::tie(Reader, Element, Pass) = PassTable[3];
+  std::tie(Reader, Element, Pass) = PassTable[2];
   ASSERT_NE(Reader, nullptr);
   ASSERT_NE(Element, nullptr);
   EXPECT_EQ(Reader, Target);
@@ -299,7 +289,7 @@ void checkElementComparison(LVReader *Reference, LVReader *Target) {
   EXPECT_EQ(Pass, LVComparePass::Added);
 
   // Target: Added TypeDefinition 'INTEGER'
-  std::tie(Reader, Element, Pass) = PassTable[4];
+  std::tie(Reader, Element, Pass) = PassTable[3];
   ASSERT_NE(Reader, nullptr);
   ASSERT_NE(Element, nullptr);
   EXPECT_EQ(Reader, Target);



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