[llvm] Revert "[DebugInfo][BPF] Add 'annotations' field for DIBasicType & DI… (PR #96172)

via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 20 04:28:35 PDT 2024


https://github.com/eddyz87 created https://github.com/llvm/llvm-project/pull/96172

…SubroutineType (#91422)"

This reverts commit 3ca17443ef4af21bdb1f3b4fbcfff672cbc6176c.

As reported in [1,2] the commit above causes CI failure for powerpc-aix target.
There is also a performance regression reported in [3]. Reverting to comply with the developer policy.

[1] https://github.com/llvm/llvm-project/pull/91422#issuecomment-2179425473
[2] https://lab.llvm.org/buildbot/#/builders/64/builds/62
[3] https://github.com/llvm/llvm-project/pull/91422#issuecomment-2175631443

>From 4d7bc8b2abead2bdc6edf874afb0a1b16bcf3d92 Mon Sep 17 00:00:00 2001
From: Eduard Zingerman <eddyz87 at gmail.com>
Date: Thu, 20 Jun 2024 03:34:08 -0700
Subject: [PATCH] Revert "[DebugInfo][BPF] Add 'annotations' field for
 DIBasicType & DISubroutineType (#91422)"

This reverts commit 3ca17443ef4af21bdb1f3b4fbcfff672cbc6176c.

As reported in [1,2] the commit above causes CI failure for
powerpc-aix target.
There is also a performance regression reported in [3].
Reverting to comply with the developer policy.

[1] https://github.com/llvm/llvm-project/pull/91422#issuecomment-2179425473
[2] https://lab.llvm.org/buildbot/#/builders/64/builds/62
[3] https://github.com/llvm/llvm-project/pull/91422#issuecomment-2175631443
---
 llvm/include/llvm/IR/DebugInfoMetadata.h      |  80 +++--------
 llvm/lib/AsmParser/LLParser.cpp               |  17 +--
 llvm/lib/Bitcode/Reader/MetadataLoader.cpp    |  16 +--
 llvm/lib/Bitcode/Writer/BitcodeWriter.cpp     |   2 -
 llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp     |   6 +-
 llvm/lib/IR/AsmWriter.cpp                     |   6 +-
 llvm/lib/IR/DebugInfoMetadata.cpp             |  15 +-
 llvm/lib/IR/LLVMContextImpl.h                 |  30 ++--
 llvm/test/Bitcode/attr-btf_tag-dibasic.ll     |  36 -----
 .../test/Bitcode/attr-btf_tag-disubroutine.ll |  41 ------
 llvm/test/DebugInfo/attr-btf_type_tag.ll      | 136 +++++-------------
 11 files changed, 90 insertions(+), 295 deletions(-)
 delete mode 100644 llvm/test/Bitcode/attr-btf_tag-dibasic.ll
 delete mode 100644 llvm/test/Bitcode/attr-btf_tag-disubroutine.ll

diff --git a/llvm/include/llvm/IR/DebugInfoMetadata.h b/llvm/include/llvm/IR/DebugInfoMetadata.h
index 848e7c57938e3..524945862e8d4 100644
--- a/llvm/include/llvm/IR/DebugInfoMetadata.h
+++ b/llvm/include/llvm/IR/DebugInfoMetadata.h
@@ -828,45 +828,40 @@ class DIBasicType : public DIType {
   static DIBasicType *getImpl(LLVMContext &Context, unsigned Tag,
                               StringRef Name, uint64_t SizeInBits,
                               uint32_t AlignInBits, unsigned Encoding,
-                              DIFlags Flags, DINodeArray Annotations,
-                              StorageType Storage, bool ShouldCreate = true) {
+                              DIFlags Flags, StorageType Storage,
+                              bool ShouldCreate = true) {
     return getImpl(Context, Tag, getCanonicalMDString(Context, Name),
-                   SizeInBits, AlignInBits, Encoding, Flags, Annotations.get(),
-                   Storage, ShouldCreate);
+                   SizeInBits, AlignInBits, Encoding, Flags, Storage,
+                   ShouldCreate);
   }
   static DIBasicType *getImpl(LLVMContext &Context, unsigned Tag,
                               MDString *Name, uint64_t SizeInBits,
                               uint32_t AlignInBits, unsigned Encoding,
-                              DIFlags Flags, Metadata *Annotations,
-                              StorageType Storage, bool ShouldCreate = true);
+                              DIFlags Flags, StorageType Storage,
+                              bool ShouldCreate = true);
 
   TempDIBasicType cloneImpl() const {
     return getTemporary(getContext(), getTag(), getName(), getSizeInBits(),
-                        getAlignInBits(), getEncoding(), getFlags(),
-                        getAnnotations());
+                        getAlignInBits(), getEncoding(), getFlags());
   }
 
 public:
   DEFINE_MDNODE_GET(DIBasicType, (unsigned Tag, StringRef Name),
-                    (Tag, Name, 0, 0, 0, FlagZero, {}))
+                    (Tag, Name, 0, 0, 0, FlagZero))
   DEFINE_MDNODE_GET(DIBasicType,
                     (unsigned Tag, StringRef Name, uint64_t SizeInBits),
-                    (Tag, Name, SizeInBits, 0, 0, FlagZero, {}))
+                    (Tag, Name, SizeInBits, 0, 0, FlagZero))
   DEFINE_MDNODE_GET(DIBasicType,
                     (unsigned Tag, MDString *Name, uint64_t SizeInBits),
-                    (Tag, Name, SizeInBits, 0, 0, FlagZero, {}))
+                    (Tag, Name, SizeInBits, 0, 0, FlagZero))
   DEFINE_MDNODE_GET(DIBasicType,
                     (unsigned Tag, StringRef Name, uint64_t SizeInBits,
-                     uint32_t AlignInBits, unsigned Encoding, DIFlags Flags,
-                     DINodeArray Annotations = {}),
-                    (Tag, Name, SizeInBits, AlignInBits, Encoding, Flags,
-                     Annotations))
+                     uint32_t AlignInBits, unsigned Encoding, DIFlags Flags),
+                    (Tag, Name, SizeInBits, AlignInBits, Encoding, Flags))
   DEFINE_MDNODE_GET(DIBasicType,
                     (unsigned Tag, MDString *Name, uint64_t SizeInBits,
-                     uint32_t AlignInBits, unsigned Encoding, DIFlags Flags,
-                     Metadata *Annotations = nullptr),
-                    (Tag, Name, SizeInBits, AlignInBits, Encoding, Flags,
-                     Annotations))
+                     uint32_t AlignInBits, unsigned Encoding, DIFlags Flags),
+                    (Tag, Name, SizeInBits, AlignInBits, Encoding, Flags))
 
   TempDIBasicType clone() const { return cloneImpl(); }
 
@@ -878,16 +873,6 @@ class DIBasicType : public DIType {
   /// neither signed nor unsigned.
   std::optional<Signedness> getSignedness() const;
 
-  Metadata *getRawAnnotations() const { return getOperand(3); }
-
-  DINodeArray getAnnotations() const {
-    return cast_or_null<MDTuple>(getRawAnnotations());
-  }
-
-  void replaceAnnotations(DINodeArray Annotations) {
-    replaceOperandWith(3, Annotations.get());
-  }
-
   static bool classof(const Metadata *MD) {
     return MD->getMetadataID() == DIBasicTypeKind;
   }
@@ -1127,10 +1112,6 @@ class DIDerivedType : public DIType {
   }
   Metadata *getRawAnnotations() const { return getOperand(5); }
 
-  void replaceAnnotations(DINodeArray Annotations) {
-    replaceOperandWith(5, Annotations.get());
-  }
-
   /// Get casted version of extra data.
   /// @{
   DIType *getClassType() const;
@@ -1358,10 +1339,6 @@ class DICompositeType : public DIType {
     return cast_or_null<MDTuple>(getRawAnnotations());
   }
 
-  void replaceAnnotations(DINodeArray Annotations) {
-    replaceOperandWith(13, Annotations.get());
-  }
-
   /// Replace operands.
   ///
   /// If this \a isUniqued() and not \a isResolved(), on a uniquing collision
@@ -1408,30 +1385,26 @@ class DISubroutineType : public DIType {
 
   static DISubroutineType *getImpl(LLVMContext &Context, DIFlags Flags,
                                    uint8_t CC, DITypeRefArray TypeArray,
-                                   DINodeArray Annotations, StorageType Storage,
+                                   StorageType Storage,
                                    bool ShouldCreate = true) {
-    return getImpl(Context, Flags, CC, TypeArray.get(), Annotations.get(),
-                   Storage, ShouldCreate);
+    return getImpl(Context, Flags, CC, TypeArray.get(), Storage, ShouldCreate);
   }
   static DISubroutineType *getImpl(LLVMContext &Context, DIFlags Flags,
                                    uint8_t CC, Metadata *TypeArray,
-                                   Metadata *Annotations, StorageType Storage,
+                                   StorageType Storage,
                                    bool ShouldCreate = true);
 
   TempDISubroutineType cloneImpl() const {
-    return getTemporary(getContext(), getFlags(), getCC(), getTypeArray(),
-                        getAnnotations());
+    return getTemporary(getContext(), getFlags(), getCC(), getTypeArray());
   }
 
 public:
   DEFINE_MDNODE_GET(DISubroutineType,
-                    (DIFlags Flags, uint8_t CC, DITypeRefArray TypeArray,
-                     DINodeArray Annotations = nullptr),
-                    (Flags, CC, TypeArray, Annotations))
+                    (DIFlags Flags, uint8_t CC, DITypeRefArray TypeArray),
+                    (Flags, CC, TypeArray))
   DEFINE_MDNODE_GET(DISubroutineType,
-                    (DIFlags Flags, uint8_t CC, Metadata *TypeArray,
-                     Metadata *Annotations = nullptr),
-                    (Flags, CC, TypeArray, Annotations))
+                    (DIFlags Flags, uint8_t CC, Metadata *TypeArray),
+                    (Flags, CC, TypeArray))
 
   TempDISubroutineType clone() const { return cloneImpl(); }
   // Returns a new temporary DISubroutineType with updated CC
@@ -1449,15 +1422,6 @@ class DISubroutineType : public DIType {
 
   Metadata *getRawTypeArray() const { return getOperand(3); }
 
-  Metadata *getRawAnnotations() const { return getOperand(4); }
-  DINodeArray getAnnotations() const {
-    return cast_or_null<MDTuple>(getRawAnnotations());
-  }
-
-  void replaceAnnotations(DINodeArray Annotations) {
-    replaceOperandWith(4, Annotations.get());
-  }
-
   static bool classof(const Metadata *MD) {
     return MD->getMetadataID() == DISubroutineTypeKind;
   }
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 6c97e9e943b3f..7f36febbc7fda 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -5251,7 +5251,7 @@ bool LLParser::parseDIEnumerator(MDNode *&Result, bool IsDistinct) {
 
 /// parseDIBasicType:
 ///   ::= !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32,
-///                    encoding: DW_ATE_encoding, flags: 0, annotations: !1)
+///                    encoding: DW_ATE_encoding, flags: 0)
 bool LLParser::parseDIBasicType(MDNode *&Result, bool IsDistinct) {
 #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
   OPTIONAL(tag, DwarfTagField, (dwarf::DW_TAG_base_type));                     \
@@ -5259,14 +5259,12 @@ bool LLParser::parseDIBasicType(MDNode *&Result, bool IsDistinct) {
   OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX));                            \
   OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX));                           \
   OPTIONAL(encoding, DwarfAttEncodingField, );                                 \
-  OPTIONAL(flags, DIFlagField, );                                              \
-  OPTIONAL(annotations, MDField, );
+  OPTIONAL(flags, DIFlagField, );
   PARSE_MD_FIELDS();
 #undef VISIT_MD_FIELDS
 
-  Result = GET_OR_DISTINCT(DIBasicType,
-                           (Context, tag.Val, name.Val, size.Val, align.Val,
-                            encoding.Val, flags.Val, annotations.Val));
+  Result = GET_OR_DISTINCT(DIBasicType, (Context, tag.Val, name.Val, size.Val,
+                                         align.Val, encoding.Val, flags.Val));
   return false;
 }
 
@@ -5403,13 +5401,12 @@ bool LLParser::parseDISubroutineType(MDNode *&Result, bool IsDistinct) {
 #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
   OPTIONAL(flags, DIFlagField, );                                              \
   OPTIONAL(cc, DwarfCCField, );                                                \
-  REQUIRED(types, MDField, );                                                  \
-  OPTIONAL(annotations, MDField, );
+  REQUIRED(types, MDField, );
   PARSE_MD_FIELDS();
 #undef VISIT_MD_FIELDS
 
-  Result = GET_OR_DISTINCT(DISubroutineType, (Context, flags.Val, cc.Val,
-                                              types.Val, annotations.Val));
+  Result = GET_OR_DISTINCT(DISubroutineType,
+                           (Context, flags.Val, cc.Val, types.Val));
   return false;
 }
 
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
index bc06c55f1662c..9102f3a60cffc 100644
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -1527,7 +1527,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
     break;
   }
   case bitc::METADATA_BASIC_TYPE: {
-    if (Record.size() < 6 || Record.size() > 8)
+    if (Record.size() < 6 || Record.size() > 7)
       return error("Invalid record");
 
     IsDistinct = Record[0];
@@ -1535,14 +1535,10 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
                                 ? static_cast<DINode::DIFlags>(Record[6])
                                 : DINode::FlagZero;
 
-    Metadata *Annotations = nullptr;
-    if (Record.size() > 7 && Record[7])
-      Annotations = getMDOrNull(Record[7]);
-
     MetadataList.assignValue(
         GET_OR_DISTINCT(DIBasicType,
                         (Context, Record[1], getMDString(Record[2]), Record[3],
-                         Record[4], Record[5], Flags, Annotations)),
+                         Record[4], Record[5], Flags)),
         NextMetadataNo);
     NextMetadataNo++;
     break;
@@ -1707,7 +1703,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
     break;
   }
   case bitc::METADATA_SUBROUTINE_TYPE: {
-    if (Record.size() < 3 || Record.size() > 5)
+    if (Record.size() < 3 || Record.size() > 4)
       return error("Invalid record");
     bool IsOldTypeRefArray = Record[0] < 2;
     unsigned CC = (Record.size() > 3) ? Record[3] : 0;
@@ -1717,13 +1713,9 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
     Metadata *Types = getMDOrNull(Record[2]);
     if (LLVM_UNLIKELY(IsOldTypeRefArray))
       Types = MetadataList.upgradeTypeRefArray(Types);
-    Metadata *Annotations = nullptr;
-    if (Record.size() > 4 && Record[4])
-      Annotations = getMDOrNull(Record[4]);
 
     MetadataList.assignValue(
-        GET_OR_DISTINCT(DISubroutineType,
-                        (Context, Flags, CC, Types, Annotations)),
+        GET_OR_DISTINCT(DISubroutineType, (Context, Flags, CC, Types)),
         NextMetadataNo);
     NextMetadataNo++;
     break;
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index f3e87310310ec..b08d5c50e5ae3 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1816,7 +1816,6 @@ void ModuleBitcodeWriter::writeDIBasicType(const DIBasicType *N,
   Record.push_back(N->getAlignInBits());
   Record.push_back(N->getEncoding());
   Record.push_back(N->getFlags());
-  Record.push_back(VE.getMetadataOrNullID(N->getRawAnnotations()));
 
   Stream.EmitRecord(bitc::METADATA_BASIC_TYPE, Record, Abbrev);
   Record.clear();
@@ -1912,7 +1911,6 @@ void ModuleBitcodeWriter::writeDISubroutineType(
   Record.push_back(N->getFlags());
   Record.push_back(VE.getMetadataOrNullID(N->getTypeArray().get()));
   Record.push_back(N->getCC());
-  Record.push_back(VE.getMetadataOrNullID(N->getRawAnnotations()));
 
   Stream.EmitRecord(bitc::METADATA_SUBROUTINE_TYPE, Record, Abbrev);
   Record.clear();
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 08be3a51862ca..6c04fa1c67a95 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -712,9 +712,7 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, const DIBasicType *BTy) {
   if (!Name.empty())
     addString(Buffer, dwarf::DW_AT_name, Name);
 
-  addAnnotation(Buffer, BTy->getAnnotations());
-
-  // An unspecified type only has a name attribute & annotations.
+  // An unspecified type only has a name attribute.
   if (BTy->getTag() == dwarf::DW_TAG_unspecified_type)
     return;
 
@@ -883,8 +881,6 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, const DISubroutineType *CTy) {
 
   if (CTy->isRValueReference())
     addFlag(Buffer, dwarf::DW_AT_rvalue_reference);
-
-  addAnnotation(Buffer, CTy->getAnnotations());
 }
 
 void DwarfUnit::addAnnotation(DIE &Buffer, DINodeArray Annotations) {
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 16e51307ddb71..0bf8be9ac55f9 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -2122,9 +2122,9 @@ static void writeDIEnumerator(raw_ostream &Out, const DIEnumerator *N,
 }
 
 static void writeDIBasicType(raw_ostream &Out, const DIBasicType *N,
-                             AsmWriterContext &WriterCtx) {
+                             AsmWriterContext &) {
   Out << "!DIBasicType(";
-  MDFieldPrinter Printer(Out, WriterCtx);
+  MDFieldPrinter Printer(Out);
   if (N->getTag() != dwarf::DW_TAG_base_type)
     Printer.printTag(N);
   Printer.printString("name", N->getName());
@@ -2133,7 +2133,6 @@ static void writeDIBasicType(raw_ostream &Out, const DIBasicType *N,
   Printer.printDwarfEnum("encoding", N->getEncoding(),
                          dwarf::AttributeEncodingString);
   Printer.printDIFlags("flags", N->getFlags());
-  Printer.printMetadata("annotations", N->getRawAnnotations());
   Out << ")";
 }
 
@@ -2229,7 +2228,6 @@ static void writeDISubroutineType(raw_ostream &Out, const DISubroutineType *N,
   Printer.printDwarfEnum("cc", N->getCC(), dwarf::ConventionString);
   Printer.printMetadata("types", N->getRawTypeArray(),
                         /* ShouldSkipNull */ false);
-  Printer.printMetadata("annotations", N->getRawAnnotations());
   Out << ")";
 }
 
diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp
index 7c677b78c577a..161a30dfb3828 100644
--- a/llvm/lib/IR/DebugInfoMetadata.cpp
+++ b/llvm/lib/IR/DebugInfoMetadata.cpp
@@ -663,12 +663,12 @@ DIEnumerator *DIEnumerator::getImpl(LLVMContext &Context, const APInt &Value,
 DIBasicType *DIBasicType::getImpl(LLVMContext &Context, unsigned Tag,
                                   MDString *Name, uint64_t SizeInBits,
                                   uint32_t AlignInBits, unsigned Encoding,
-                                  DIFlags Flags, Metadata *Annotations,
-                                  StorageType Storage, bool ShouldCreate) {
+                                  DIFlags Flags, StorageType Storage,
+                                  bool ShouldCreate) {
   assert(isCanonical(Name) && "Expected canonical MDString");
-  DEFINE_GETIMPL_LOOKUP(DIBasicType, (Tag, Name, SizeInBits, AlignInBits,
-                                      Encoding, Flags, Annotations));
-  Metadata *Ops[] = {nullptr, nullptr, Name, Annotations};
+  DEFINE_GETIMPL_LOOKUP(DIBasicType,
+                        (Tag, Name, SizeInBits, AlignInBits, Encoding, Flags));
+  Metadata *Ops[] = {nullptr, nullptr, Name};
   DEFINE_GETIMPL_STORE(DIBasicType,
                        (Tag, SizeInBits, AlignInBits, Encoding, Flags), Ops);
 }
@@ -872,11 +872,10 @@ DISubroutineType::DISubroutineType(LLVMContext &C, StorageType Storage,
 
 DISubroutineType *DISubroutineType::getImpl(LLVMContext &Context, DIFlags Flags,
                                             uint8_t CC, Metadata *TypeArray,
-                                            Metadata *Annotations,
                                             StorageType Storage,
                                             bool ShouldCreate) {
-  DEFINE_GETIMPL_LOOKUP(DISubroutineType, (Flags, CC, TypeArray, Annotations));
-  Metadata *Ops[] = {nullptr, nullptr, nullptr, TypeArray, Annotations};
+  DEFINE_GETIMPL_LOOKUP(DISubroutineType, (Flags, CC, TypeArray));
+  Metadata *Ops[] = {nullptr, nullptr, nullptr, TypeArray};
   DEFINE_GETIMPL_STORE(DISubroutineType, (Flags, CC), Ops);
 }
 
diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index 8fb55d9c719d1..392e0d16f1761 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/lib/IR/LLVMContextImpl.h
@@ -465,29 +465,25 @@ template <> struct MDNodeKeyImpl<DIBasicType> {
   uint32_t AlignInBits;
   unsigned Encoding;
   unsigned Flags;
-  Metadata *Annotations;
 
   MDNodeKeyImpl(unsigned Tag, MDString *Name, uint64_t SizeInBits,
-                uint32_t AlignInBits, unsigned Encoding, unsigned Flags,
-                Metadata *Annotations)
+                uint32_t AlignInBits, unsigned Encoding, unsigned Flags)
       : Tag(Tag), Name(Name), SizeInBits(SizeInBits), AlignInBits(AlignInBits),
-        Encoding(Encoding), Flags(Flags), Annotations(Annotations) {}
+        Encoding(Encoding), Flags(Flags) {}
   MDNodeKeyImpl(const DIBasicType *N)
       : Tag(N->getTag()), Name(N->getRawName()), SizeInBits(N->getSizeInBits()),
         AlignInBits(N->getAlignInBits()), Encoding(N->getEncoding()),
-        Flags(N->getFlags()), Annotations(N->getRawAnnotations()) {}
+        Flags(N->getFlags()) {}
 
   bool isKeyOf(const DIBasicType *RHS) const {
     return Tag == RHS->getTag() && Name == RHS->getRawName() &&
            SizeInBits == RHS->getSizeInBits() &&
            AlignInBits == RHS->getAlignInBits() &&
-           Encoding == RHS->getEncoding() && Flags == RHS->getFlags() &&
-           Annotations == RHS->getRawAnnotations();
+           Encoding == RHS->getEncoding() && Flags == RHS->getFlags();
   }
 
   unsigned getHashValue() const {
-    return hash_combine(Tag, Name, SizeInBits, AlignInBits, Encoding,
-                        Annotations);
+    return hash_combine(Tag, Name, SizeInBits, AlignInBits, Encoding);
   }
 };
 
@@ -716,24 +712,18 @@ template <> struct MDNodeKeyImpl<DISubroutineType> {
   unsigned Flags;
   uint8_t CC;
   Metadata *TypeArray;
-  Metadata *Annotations;
 
-  MDNodeKeyImpl(unsigned Flags, uint8_t CC, Metadata *TypeArray,
-                Metadata *Annotations)
-      : Flags(Flags), CC(CC), TypeArray(TypeArray), Annotations(Annotations) {}
+  MDNodeKeyImpl(unsigned Flags, uint8_t CC, Metadata *TypeArray)
+      : Flags(Flags), CC(CC), TypeArray(TypeArray) {}
   MDNodeKeyImpl(const DISubroutineType *N)
-      : Flags(N->getFlags()), CC(N->getCC()), TypeArray(N->getRawTypeArray()),
-        Annotations(N->getRawAnnotations()) {}
+      : Flags(N->getFlags()), CC(N->getCC()), TypeArray(N->getRawTypeArray()) {}
 
   bool isKeyOf(const DISubroutineType *RHS) const {
     return Flags == RHS->getFlags() && CC == RHS->getCC() &&
-           TypeArray == RHS->getRawTypeArray() &&
-           Annotations == RHS->getRawAnnotations();
+           TypeArray == RHS->getRawTypeArray();
   }
 
-  unsigned getHashValue() const {
-    return hash_combine(Flags, CC, TypeArray, Annotations);
-  }
+  unsigned getHashValue() const { return hash_combine(Flags, CC, TypeArray); }
 };
 
 template <> struct MDNodeKeyImpl<DIFile> {
diff --git a/llvm/test/Bitcode/attr-btf_tag-dibasic.ll b/llvm/test/Bitcode/attr-btf_tag-dibasic.ll
deleted file mode 100644
index 7a73f921466d9..0000000000000
--- a/llvm/test/Bitcode/attr-btf_tag-dibasic.ll
+++ /dev/null
@@ -1,36 +0,0 @@
-; RUN: llvm-as < %s | llvm-dis | FileCheck %s
-;
-; Source:
-;   #define __tag1 __attribute__((btf_type_tag("tag1")))
-;   int __tag1 g;
-; Compilation flag:
-;   clang -S -g -emit-llvm test.c
-
- at g = dso_local global i32 0, align 4, !dbg !0
-
-!llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!8, !9, !10, !11, !12, !13, !14}
-!llvm.ident = !{!15}
-
-!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
-!1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 17.0.0 (https://github.com/llvm/llvm-project.git c15ba1bb9498fa04f6c374337313df43486c9713)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
-!3 = !DIFile(filename: "test.c", directory: "/home/eddy/work/tmp", checksumkind: CSK_MD5, checksum: "79feb01d60b549b43abc493c324fe2a8")
-!4 = !{!0}
-!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed, annotations: !6)
-!6 = !{!7}
-!7 = !{!"btf:type_tag", !"tag1"}
-
-; CHECK: distinct !DIGlobalVariable(name: "g", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[L1:[0-9]+]], isLocal: false, isDefinition: true)
-; CHECK: ![[L1]] = !DIBasicType(name: "int", size: [[#]], encoding: DW_ATE_signed, annotations: ![[L2:[0-9]+]])
-; CHECK: ![[L2]] = !{![[L3:[0-9]+]]}
-; CHECK: ![[L3]] = !{!"btf:type_tag", !"tag1"}
-
-!8 = !{i32 7, !"Dwarf Version", i32 5}
-!9 = !{i32 2, !"Debug Info Version", i32 3}
-!10 = !{i32 1, !"wchar_size", i32 4}
-!11 = !{i32 8, !"PIC Level", i32 2}
-!12 = !{i32 7, !"PIE Level", i32 2}
-!13 = !{i32 7, !"uwtable", i32 2}
-!14 = !{i32 7, !"frame-pointer", i32 2}
-!15 = !{!"clang version 17.0.0 (https://github.com/llvm/llvm-project.git c15ba1bb9498fa04f6c374337313df43486c9713)"}
diff --git a/llvm/test/Bitcode/attr-btf_tag-disubroutine.ll b/llvm/test/Bitcode/attr-btf_tag-disubroutine.ll
deleted file mode 100644
index 277348c3eb461..0000000000000
--- a/llvm/test/Bitcode/attr-btf_tag-disubroutine.ll
+++ /dev/null
@@ -1,41 +0,0 @@
-; RUN: llvm-as < %s | llvm-dis | FileCheck %s
-;
-; Source:
-;   #define __tag1 __attribute__((btf_type_tag("tag1")))
-;   int (__tag1 * g)(void);
-
-; Compilation flag:
-;   clang -S -g -emit-llvm test.c
-
- at g = dso_local global ptr null, align 8, !dbg !0
-
-!llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!11, !12, !13, !14, !15, !16, !17}
-!llvm.ident = !{!18}
-
-!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
-!1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 17.0.0 (https://github.com/llvm/llvm-project.git c15ba1bb9498fa04f6c374337313df43486c9713)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
-!3 = !DIFile(filename: "test.c", directory: "/home/eddy/work/tmp", checksumkind: CSK_MD5, checksum: "2ed8742fd12b44b948de1ac5e433bd63")
-!4 = !{!0}
-!5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64)
-!6 = !DISubroutineType(types: !7, annotations: !9)
-!7 = !{!8}
-!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!9 = !{!10}
-!10 = !{!"btf:type_tag", !"tag1"}
-
-; CHECK: distinct !DIGlobalVariable(name: "g", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[L1:[0-9]+]], isLocal: false, isDefinition: true)
-; CHECK: ![[L1]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: ![[L2:[0-9]+]], size: [[#]])
-; CHECK: ![[L2]] = !DISubroutineType(types: ![[#]], annotations: ![[L3:[0-9]+]])
-; CHECK: ![[L3]] = !{![[L4:[0-9]+]]}
-; CHECK: ![[L4]] = !{!"btf:type_tag", !"tag1"}
-
-!11 = !{i32 7, !"Dwarf Version", i32 5}
-!12 = !{i32 2, !"Debug Info Version", i32 3}
-!13 = !{i32 1, !"wchar_size", i32 4}
-!14 = !{i32 8, !"PIC Level", i32 2}
-!15 = !{i32 7, !"PIE Level", i32 2}
-!16 = !{i32 7, !"uwtable", i32 2}
-!17 = !{i32 7, !"frame-pointer", i32 2}
-!18 = !{!"clang version 17.0.0 (https://github.com/llvm/llvm-project.git c15ba1bb9498fa04f6c374337313df43486c9713)"}
diff --git a/llvm/test/DebugInfo/attr-btf_type_tag.ll b/llvm/test/DebugInfo/attr-btf_type_tag.ll
index 329b95cb5d63b..47a2aa59106d1 100644
--- a/llvm/test/DebugInfo/attr-btf_type_tag.ll
+++ b/llvm/test/DebugInfo/attr-btf_type_tag.ll
@@ -4,121 +4,59 @@
 ; Source:
 ;   #define __tag1 __attribute__((btf_type_tag("tag1")))
 ;   #define __tag2 __attribute__((btf_type_tag("tag2")))
-;   #define __tag3 __attribute__((btf_type_tag("tag3")))
-;   #define __tag4 __attribute__((btf_type_tag("tag4")))
-;
-;   int   __tag1  a;
-;   int * __tag2  b;
-;   void  __tag3 *c;
-;   void (__tag4 *d)(void);
-;
 ;
+;   int * __tag1 * __tag2 *g;
 ; Compilation flag:
 ;   clang -target x86_64 -g -S -emit-llvm t.c
-;
-; Note: only "btf:type_tag" annotations are checked for brevity.
 
- at a = dso_local global i32 0, align 4, !dbg !0
- at b = dso_local global ptr null, align 8, !dbg !5
- at c = dso_local global ptr null, align 8, !dbg !11
- at d = dso_local global ptr null, align 8, !dbg !19
+ at g = dso_local global ptr null, align 8, !dbg !0
 
 !llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!31, !32, !33, !34, !35}
-!llvm.ident = !{!36}
+!llvm.module.flags = !{!13, !14, !15, !16, !17}
+!llvm.ident = !{!18}
 
 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
-!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 6, type: !28, isLocal: false, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 17.0.0 (https://github.com/llvm/llvm-project.git ffde01565bce81795ba0442108742557a9a4562d)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
-!3 = !DIFile(filename: "test.c", directory: "/home/eddy/work/tmp", checksumkind: CSK_MD5, checksum: "71845c02e58f6b1a8b0162797b4d3f37")
-!4 = !{!0, !5, !11, !19}
-!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
-
-; CHECK:                 DW_TAG_variable
-; CHECK-NEXT:               DW_AT_name      ("a")
-; CHECK-NEXT:               DW_AT_type      (0x[[T1:[0-9a-f]+]] "int")
-
-; CHECK:      0x[[T1]]:  DW_TAG_base_type
-; CHECK-NEXT:               DW_AT_name      ("int")
-
-; CHECK:                    DW_TAG_LLVM_annotation
-; CHECK-NEXT:                 DW_AT_name    ("btf:type_tag")
-; CHECK-NEXT:                 DW_AT_const_value     ("tag1")
-
-!6 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 7, type: !7, isLocal: false, isDefinition: true)
-!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, annotations: !9)
+!1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 4, type: !5, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 14.0.0 (https://github.com/llvm/llvm-project.git 2c240a5eefae1a945dfd36cdaa0c677eca90dd82)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
+!3 = !DIFile(filename: "t.c", directory: "/home/yhs/work/tests/llvm/btf_tag_type")
+!4 = !{!0}
+!5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, annotations: !11)
+!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, annotations: !9)
+!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
 !9 = !{!10}
-!10 = !{!"btf:type_tag", !"tag2"}
-!11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
-
-; CHECK:                DW_TAG_variable
-; CHECK-NEXT:               DW_AT_name      ("b")
-; CHECK-NEXT:               DW_AT_type      (0x[[T2:[0-9a-f]+]] "int *")
-
-; CHECK:      0x[[T2]]:   DW_TAG_pointer_type
-; CHECK-NEXT:               DW_AT_type      (0x[[T3:[0-9a-f]+]] "int")
-
-; CHECK:                    DW_TAG_LLVM_annotation
-; CHECK-NEXT:                 DW_AT_name    ("btf:type_tag")
-; CHECK-NEXT:                 DW_AT_const_value     ("tag2")
-
-; CHECK:      0x[[T3]]:   DW_TAG_base_type
-; CHECK-NEXT:               DW_AT_name      ("int")
-; CHECK-NEXT:               DW_AT_encoding  (DW_ATE_signed)
-
-!12 = distinct !DIGlobalVariable(name: "c", scope: !2, file: !3, line: 8, type: !13, isLocal: false, isDefinition: true)
-!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64, annotations: !17)
-!14 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "void", annotations: !15)
-!15 = !{!16}
-!16 = !{!"btf:type_tag", !"tag3"}
-!17 = !{!18}
-!18 = !{!"btf_type_tag", !"tag3"}
-
-; CHECK:                DW_TAG_variable
-; CHECK-NEXT:             DW_AT_name      ("c")
-; CHECK-NEXT:             DW_AT_type      (0x[[T4:[0-9a-f]+]] "void *")
+!10 = !{!"btf_type_tag", !"tag1"}
+!11 = !{!12}
+!12 = !{!"btf_type_tag", !"tag2"}
 
-; CHECK:      0x[[T4]]: DW_TAG_pointer_type
-; CHECK-NEXT:             DW_AT_type      (0x[[T5:[0-9a-f]+]] "void")
+; CHECK:      DW_TAG_variable
+; CHECK-NEXT:   DW_AT_name      ("g")
+; CHECK-NEXT:   DW_AT_type      (0x[[T1:[0-9a-f]+]] "int ***")
 
-; CHECK:      0x[[T5]]: DW_TAG_unspecified_type
-; CHECK-NEXT:             DW_AT_name      ("void")
+; CHECK:      0x[[T1]]: DW_TAG_pointer_type
+; CHECK-NEXT:   DW_AT_type      (0x[[T2:[0-9a-f]+]] "int **")
 
-; CHECK:                  DW_TAG_LLVM_annotation
-; CHECK-NEXT:               DW_AT_name    ("btf:type_tag")
-; CHECK-NEXT:               DW_AT_const_value     ("tag3")
+; CHECK:        DW_TAG_LLVM_annotation
+; CHECK-NEXT:     DW_AT_name    ("btf_type_tag")
+; CHECK-NEXT:     DW_AT_const_value     ("tag2")
 
-!19 = !DIGlobalVariableExpression(var: !20, expr: !DIExpression())
-!20 = distinct !DIGlobalVariable(name: "d", scope: !2, file: !3, line: 9, type: !21, isLocal: false, isDefinition: true)
-!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64, annotations: !26)
-!22 = !DISubroutineType(types: !23, annotations: !24)
-!23 = !{null}
-!24 = !{!25}
-!25 = !{!"btf:type_tag", !"tag4"}
-!26 = !{!27}
-!27 = !{!"btf_type_tag", !"tag4"}
-!28 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed, annotations: !29)
-!29 = !{!30}
-!30 = !{!"btf:type_tag", !"tag1"}
+; CHECK:        NULL
 
-; CHECK:                DW_TAG_variable
-; CHECK-NEXT:             DW_AT_name      ("d")
-; CHECK-NEXT:             DW_AT_type      (0x[[T6:[0-9a-f]+]] "void (*)(")
+; CHECK:      0x[[T2]]: DW_TAG_pointer_type
+; CHECK-NEXT:   DW_AT_type      (0x[[T3:[0-9a-f]+]] "int *")
 
-; CHECK:      0x[[T6]]: DW_TAG_pointer_type
-; CHECK-NEXT:             DW_AT_type      (0x[[T7:[0-9a-f]+]] "void (")
+; CHECK:        DW_TAG_LLVM_annotation
+; CHECK-NEXT:     DW_AT_name    ("btf_type_tag")
+; CHECK-NEXT:     DW_AT_const_value     ("tag1")
 
-; CHECK:      0x[[T7]]: DW_TAG_subroutine_type
-; CHECK-NEXT:             DW_AT_prototyped        (true)
+; CHECK:        NULL
 
-; CHECK:                  DW_TAG_LLVM_annotation
-; CHECK-NEXT:               DW_AT_name    ("btf:type_tag")
-; CHECK-NEXT:               DW_AT_const_value     ("tag4")
+; CHECK:      0x[[T3]]: DW_TAG_pointer_type
+; CHECK-NEXT:   DW_AT_type      (0x{{[0-9a-f]+}} "int")
 
-!31 = !{i32 7, !"Dwarf Version", i32 5}
-!32 = !{i32 2, !"Debug Info Version", i32 3}
-!33 = !{i32 1, !"wchar_size", i32 4}
-!34 = !{i32 7, !"uwtable", i32 2}
-!35 = !{i32 7, !"frame-pointer", i32 2}
-!36 = !{!"clang version 17.0.0 (https://github.com/llvm/llvm-project.git ffde01565bce81795ba0442108742557a9a4562d)"}
+!13 = !{i32 7, !"Dwarf Version", i32 4}
+!14 = !{i32 2, !"Debug Info Version", i32 3}
+!15 = !{i32 1, !"wchar_size", i32 4}
+!16 = !{i32 7, !"uwtable", i32 1}
+!17 = !{i32 7, !"frame-pointer", i32 2}
+!18 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git 2c240a5eefae1a945dfd36cdaa0c677eca90dd82)"}



More information about the llvm-commits mailing list