Revert r252949.

It broke some of the bots including clang-x64-ninja-win7.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252951 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/IR/Attributes.h b/include/llvm/IR/Attributes.h
index 1bb43933aa38cd0414bad3ac61b6cb57c02b0cb4..52a9ca83013bbd1b63d8719dac13fe58d68d7c3b 100644 (file)
--- a/include/llvm/IR/Attributes.h
+++ b/include/llvm/IR/Attributes.h
@@ -33,7 +33,6 @@ class AttributeSetImpl;
 class AttributeSetNode;
 class Constant;
 template<typename T> struct DenseMapInfo;
 class AttributeSetNode;
 class Constant;
 template<typename T> struct DenseMapInfo;

-class Function;

 class LLVMContext;
 class Type;
 
 class LLVMContext;
 class Type;
 


@@ -528,13 +527,6 @@ namespace AttributeFuncs {
 /// \brief Which attributes cannot be applied to a type.
 AttrBuilder typeIncompatible(Type *Ty);
 
 /// \brief Which attributes cannot be applied to a type.
 AttrBuilder typeIncompatible(Type *Ty);
 

-/// \returns Return true if the two functions have compatible target-independent
-/// attributes for inlining purposes.
-bool areInlineCompatible(const Function &Caller, const Function &Callee);
-
-/// \brief Merge caller's and callee's attributes.
-void mergeAttributesForInlining(Function &Caller, const Function &Callee);
-

 } // end AttributeFuncs namespace
 
 } // end llvm namespace
 } // end AttributeFuncs namespace
 
 } // end llvm namespace

diff --git a/include/llvm/IR/Attributes.td b/include/llvm/IR/Attributes.td
index f9a78c813ed04a293bddb3b05ebfce1837643c58..5ba76ef3490498fb0262692e0350cc9e93f02c56 100644 (file)
--- a/include/llvm/IR/Attributes.td
+++ b/include/llvm/IR/Attributes.td
@@ -158,28 +158,3 @@ def LessPreciseFPMAD : StrBoolAttr<"less-precise-fpmad">;
 def NoInfsFPMath : StrBoolAttr<"no-infs-fp-math">;
 def NoNansFPMath : StrBoolAttr<"no-nans-fp-math">;
 def UnsafeFPMath : StrBoolAttr<"unsafe-fp-math">;
 def NoInfsFPMath : StrBoolAttr<"no-infs-fp-math">;
 def NoNansFPMath : StrBoolAttr<"no-nans-fp-math">;
 def UnsafeFPMath : StrBoolAttr<"unsafe-fp-math">;

-
-class CompatRule<string F> {
-  // The name of the function called to check the attribute of the caller and
-  // callee and decide whether inlining should be allowed. The function's
-  // signature must match "bool(const Function&, const Function &)", where the
-  // first parameter is the reference to the caller and the second parameter is
-  // the reference to the callee. It must return false if the attributes of the
-  // caller and callee are incompatible, and true otherwise.
-  string CompatFunc = F;
-}
-
-def : CompatRule<"isEqual<SanitizeAddressAttr>">;
-def : CompatRule<"isEqual<SanitizeThreadAttr>">;
-def : CompatRule<"isEqual<SanitizeMemoryAttr>">;
-
-class MergeRule<string F> {
-  // The name of the function called to merge the attributes of the caller and
-  // callee. The function's signature must match
-  // "void(Function&, const Function &)", where the first parameter is the
-  // reference to the caller and the second parameter is the reference to the
-  // callee.
-  string MergeFunc = F;
-}
-
-def : MergeRule<"adjustCallerSSPLevel">;

diff --git a/lib/Analysis/InlineCost.cpp b/lib/Analysis/InlineCost.cpp
index b90843494b6a69c3ce220c48d6a65bed42175a97..26f2e7ff504a8a6ad8f0b013ea7daad7643e1a77 100644 (file)
--- a/lib/Analysis/InlineCost.cpp
+++ b/lib/Analysis/InlineCost.cpp
@@ -1349,13 +1349,22 @@ InlineCost InlineCostAnalysis::getInlineCost(CallSite CS, int Threshold) {
   return getInlineCost(CS, CS.getCalledFunction(), Threshold);
 }
 
   return getInlineCost(CS, CS.getCalledFunction(), Threshold);
 }
 

+/// \brief Test that two functions either have or have not the given attribute
+///        at the same time.
+template<typename AttrKind>
+static bool attributeMatches(Function *F1, Function *F2, AttrKind Attr) {
+  return F1->getFnAttribute(Attr) == F2->getFnAttribute(Attr);
+}
+

 /// \brief Test that there are no attribute conflicts between Caller and Callee
 ///        that prevent inlining.
 static bool functionsHaveCompatibleAttributes(Function *Caller,
                                               Function *Callee,
                                               TargetTransformInfo &TTI) {
   return TTI.areInlineCompatible(Caller, Callee) &&
 /// \brief Test that there are no attribute conflicts between Caller and Callee
 ///        that prevent inlining.
 static bool functionsHaveCompatibleAttributes(Function *Caller,
                                               Function *Callee,
                                               TargetTransformInfo &TTI) {
   return TTI.areInlineCompatible(Caller, Callee) &&

-         AttributeFuncs::areInlineCompatible(*Caller, *Callee);
+         attributeMatches(Caller, Callee, Attribute::SanitizeAddress) &&
+         attributeMatches(Caller, Callee, Attribute::SanitizeMemory) &&
+         attributeMatches(Caller, Callee, Attribute::SanitizeThread);

 }
 
 InlineCost InlineCostAnalysis::getInlineCost(CallSite CS, Function *Callee,
 }
 
 InlineCost InlineCostAnalysis::getInlineCost(CallSite CS, Function *Callee,

diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index e2013c48aa491da02d50cb51029cba694ed108cd..bdefe5917feffbb467011247076122e72901a407 100644 (file)
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -14,7 +14,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/IR/Attributes.h"
 //===----------------------------------------------------------------------===//
 
 #include "llvm/IR/Attributes.h"

-#include "llvm/IR/Function.h"

 #include "AttributeImpl.h"
 #include "LLVMContextImpl.h"
 #include "llvm/ADT/STLExtras.h"
 #include "AttributeImpl.h"
 #include "LLVMContextImpl.h"
 #include "llvm/ADT/STLExtras.h"


@@ -1408,80 +1407,3 @@ AttrBuilder AttributeFuncs::typeIncompatible(Type *Ty) {
 
   return Incompatible;
 }
 
   return Incompatible;
 }

-
-template<typename AttrClass>
-static bool isEqual(const Function &Caller, const Function &Callee) {
-  return Caller.getFnAttribute(AttrClass::Kind) ==
-         Callee.getFnAttribute(AttrClass::Kind);
-}
-
-/// \brief Compute the logical AND of the attributes of the caller and the
-/// callee.
-///
-/// This function sets the caller's attribute to false if the callee's attribute
-/// is false.
-template<typename AttrClass>
-static void setAND(Function &Caller, const Function &Callee) {
-  if (AttrClass::isSet(Caller, AttrClass::Kind) &&
-      !AttrClass::isSet(Callee, AttrClass::Kind))
-    AttrClass::set(Caller, AttrClass::Kind, false);
-}
-
-/// \brief Compute the logical OR of the attributes of the caller and the
-/// callee.
-///
-/// This function sets the caller's attribute to true if the callee's attribute
-/// is true.
-template<typename AttrClass>
-static void setOR(Function &Caller, const Function &Callee) {
-  if (!AttrClass::isSet(Caller, AttrClass::Kind) &&
-      AttrClass::isSet(Callee, AttrClass::Kind))
-    AttrClass::set(Caller, AttrClass::Kind, true);
-}
-
-/// \brief If the inlined function had a higher stack protection level than the
-/// calling function, then bump up the caller's stack protection level.
-static void adjustCallerSSPLevel(Function &Caller, const Function &Callee) {
-  // If upgrading the SSP attribute, clear out the old SSP Attributes first.
-  // Having multiple SSP attributes doesn't actually hurt, but it adds useless
-  // clutter to the IR.
-  AttrBuilder B;
-  B.addAttribute(Attribute::StackProtect)
-    .addAttribute(Attribute::StackProtectStrong)
-    .addAttribute(Attribute::StackProtectReq);
-  AttributeSet OldSSPAttr = AttributeSet::get(Caller.getContext(),
-                                              AttributeSet::FunctionIndex,
-                                              B);
-
-  if (Callee.hasFnAttribute(Attribute::SafeStack)) {
-    Caller.removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
-    Caller.addFnAttr(Attribute::SafeStack);
-  } else if (Callee.hasFnAttribute(Attribute::StackProtectReq) &&
-             !Caller.hasFnAttribute(Attribute::SafeStack)) {
-    Caller.removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
-    Caller.addFnAttr(Attribute::StackProtectReq);
-  } else if (Callee.hasFnAttribute(Attribute::StackProtectStrong) &&
-             !Caller.hasFnAttribute(Attribute::SafeStack) &&
-             !Caller.hasFnAttribute(Attribute::StackProtectReq)) {
-    Caller.removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
-    Caller.addFnAttr(Attribute::StackProtectStrong);
-  } else if (Callee.hasFnAttribute(Attribute::StackProtect) &&
-             !Caller.hasFnAttribute(Attribute::SafeStack) &&
-             !Caller.hasFnAttribute(Attribute::StackProtectReq) &&
-             !Caller.hasFnAttribute(Attribute::StackProtectStrong))
-    Caller.addFnAttr(Attribute::StackProtect);
-}
-
-#define GET_ATTR_COMPAT_FUNC
-#include "AttributesCompatFunc.inc"
-
-bool AttributeFuncs::areInlineCompatible(const Function &Caller,
-                                         const Function &Callee) {
-  return hasCompatibleFnAttrs(Caller, Callee);
-}
-
-
-void AttributeFuncs::mergeAttributesForInlining(Function &Caller,
-                                                const Function &Callee) {
-  mergeFnAttrs(Caller, Callee);
-}

diff --git a/lib/IR/AttributesCompatFunc.td b/lib/IR/AttributesCompatFunc.td
deleted file mode 100644 (file)
index 7c85b3d..0000000
--- a/lib/IR/AttributesCompatFunc.td
+++ /dev/null
@@ -1 +0,0 @@
-include "llvm/IR/Attributes.td"

diff --git a/lib/IR/CMakeLists.txt b/lib/IR/CMakeLists.txt
index eb67c525ce21c78dc9710b65604d49673ea00cd4..472178f5122dffedba6287e98fd6e780966cc49e 100644 (file)
--- a/lib/IR/CMakeLists.txt
+++ b/lib/IR/CMakeLists.txt
@@ -1,7 +1,3 @@
-set(LLVM_TARGET_DEFINITIONS AttributesCompatFunc.td)
-tablegen(LLVM AttributesCompatFunc.inc -gen-attrs)
-add_public_tablegen_target(AttributeCompatFuncTableGen)
-

 add_llvm_library(LLVMCore
   AsmWriter.cpp
   Attributes.cpp
 add_llvm_library(LLVMCore
   AsmWriter.cpp
   Attributes.cpp

diff --git a/lib/IR/Makefile b/lib/IR/Makefile
index c69d41d357b97815085f125a124c9840e4e156aa..d5fc4033b467712edb04b3e879df54d73d76fa78 100644 (file)
--- a/lib/IR/Makefile
+++ b/lib/IR/Makefile
@@ -11,19 +11,16 @@ LIBRARYNAME = LLVMCore
 BUILD_ARCHIVE = 1
 
 BUILT_SOURCES = $(PROJ_OBJ_ROOT)/include/llvm/IR/Intrinsics.gen \
 BUILD_ARCHIVE = 1
 
 BUILT_SOURCES = $(PROJ_OBJ_ROOT)/include/llvm/IR/Intrinsics.gen \

-                $(PROJ_OBJ_ROOT)/include/llvm/IR/Attributes.inc \
-                $(PROJ_OBJ_ROOT)/lib/IR/AttributesCompatFunc.inc
+                $(PROJ_OBJ_ROOT)/include/llvm/IR/Attributes.inc

 
 include $(LEVEL)/Makefile.common
 
 GENFILE:=$(PROJ_OBJ_ROOT)/include/llvm/IR/Intrinsics.gen
 ATTRINCFILE:=$(PROJ_OBJ_ROOT)/include/llvm/IR/Attributes.inc
 
 include $(LEVEL)/Makefile.common
 
 GENFILE:=$(PROJ_OBJ_ROOT)/include/llvm/IR/Intrinsics.gen
 ATTRINCFILE:=$(PROJ_OBJ_ROOT)/include/llvm/IR/Attributes.inc

-ATTRCOMPATFUNCINCFILE:=$(PROJ_OBJ_ROOT)/lib/IR/AttributesCompatFunc.inc

 
 INTRINSICTD  := $(PROJ_SRC_ROOT)/include/llvm/IR/Intrinsics.td
 INTRINSICTDS := $(wildcard $(PROJ_SRC_ROOT)/include/llvm/IR/Intrinsics*.td)
 ATTRIBUTESTD  := $(PROJ_SRC_ROOT)/include/llvm/IR/Attributes.td
 
 INTRINSICTD  := $(PROJ_SRC_ROOT)/include/llvm/IR/Intrinsics.td
 INTRINSICTDS := $(wildcard $(PROJ_SRC_ROOT)/include/llvm/IR/Intrinsics*.td)
 ATTRIBUTESTD  := $(PROJ_SRC_ROOT)/include/llvm/IR/Attributes.td

-ATTRCOMPATFUNCTD  := $(PROJ_SRC_ROOT)/lib/IR/AttributesCompatFunc.td

 
 $(ObjDir)/Intrinsics.gen.tmp: $(ObjDir)/.dir $(INTRINSICTDS) $(LLVM_TBLGEN)
        $(Echo) Building Intrinsics.gen.tmp from Intrinsics.td
 
 $(ObjDir)/Intrinsics.gen.tmp: $(ObjDir)/.dir $(INTRINSICTDS) $(LLVM_TBLGEN)
        $(Echo) Building Intrinsics.gen.tmp from Intrinsics.td


@@ -43,15 +40,6 @@ $(ATTRINCFILE): $(ObjDir)/Attributes.inc.tmp $(PROJ_OBJ_ROOT)/include/llvm/IR/.d
          $(EchoCmd) Updated Attributes.inc because Attributes.inc.tmp \
            changed significantly. )
 
          $(EchoCmd) Updated Attributes.inc because Attributes.inc.tmp \
            changed significantly. )
 

-$(ObjDir)/AttributesCompatFunc.inc.tmp: $(ObjDir)/.dir $(ATTRCOMPATFUNCTD) $(LLVM_TBLGEN)
-       $(Echo) Building AttributesCompatFunc.inc.tmp from $(ATTRCOMPATFUNCTD)
-       $(Verb) $(LLVMTableGen) $(call SYSPATH, $(ATTRCOMPATFUNCTD)) -o $(call SYSPATH, $@) -gen-attrs
-
-$(ATTRCOMPATFUNCINCFILE): $(ObjDir)/AttributesCompatFunc.inc.tmp $(PROJ_OBJ_ROOT)/include/llvm/IR/.dir
-       $(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \
-         $(EchoCmd) Updated AttributesCompatFunc.inc because AttributesCompatFunc.inc.tmp \
-           changed significantly. )
-

 install-local:: $(GENFILE)
        $(Echo) Installing $(DESTDIR)$(PROJ_includedir)/llvm/IR/Intrinsics.gen
        $(Verb) $(DataInstall) $(GENFILE) $(DESTDIR)$(PROJ_includedir)/llvm/IR/Intrinsics.gen
 install-local:: $(GENFILE)
        $(Echo) Installing $(DESTDIR)$(PROJ_includedir)/llvm/IR/Intrinsics.gen
        $(Verb) $(DataInstall) $(GENFILE) $(DESTDIR)$(PROJ_includedir)/llvm/IR/Intrinsics.gen


@@ -59,7 +47,3 @@ install-local:: $(GENFILE)
 install-local:: $(ATTRINCFILE)
        $(Echo) Installing $(DESTDIR)$(PROJ_includedir)/llvm/IR/Attributes.inc
        $(Verb) $(DataInstall) $(ATTRINCFILE) $(DESTDIR)$(PROJ_includedir)/llvm/IR/Attributes.inc
 install-local:: $(ATTRINCFILE)
        $(Echo) Installing $(DESTDIR)$(PROJ_includedir)/llvm/IR/Attributes.inc
        $(Verb) $(DataInstall) $(ATTRINCFILE) $(DESTDIR)$(PROJ_includedir)/llvm/IR/Attributes.inc

-
-install-local:: $(ATTRCOMPATFUNCINCFILE)
-       $(Echo) Installing $(DESTDIR)$(PROJ_libdir)/IR/AttributesCompatFunc.inc
-       $(Verb) $(DataInstall) $(ATTRCOMPATFUNCINCFILE) $(DESTDIR)$(PROJ_libdir)/IR/AttributesCompatFunc.inc

diff --git a/lib/Transforms/IPO/Inliner.cpp b/lib/Transforms/IPO/Inliner.cpp
index 20b385ae8201302a43bbaace073ce507eebb5590..14b1767721d095e600dd4101f85fa787c7287647 100644 (file)
--- a/lib/Transforms/IPO/Inliner.cpp
+++ b/lib/Transforms/IPO/Inliner.cpp
@@ -86,6 +86,39 @@ void Inliner::getAnalysisUsage(AnalysisUsage &AU) const {
 typedef DenseMap<ArrayType*, std::vector<AllocaInst*> >
 InlinedArrayAllocasTy;
 
 typedef DenseMap<ArrayType*, std::vector<AllocaInst*> >
 InlinedArrayAllocasTy;
 

+/// \brief If the inlined function had a higher stack protection level than the
+/// calling function, then bump up the caller's stack protection level.
+static void AdjustCallerSSPLevel(Function *Caller, Function *Callee) {
+  // If upgrading the SSP attribute, clear out the old SSP Attributes first.
+  // Having multiple SSP attributes doesn't actually hurt, but it adds useless
+  // clutter to the IR.
+  AttrBuilder B;
+  B.addAttribute(Attribute::StackProtect)
+    .addAttribute(Attribute::StackProtectStrong)
+    .addAttribute(Attribute::StackProtectReq);
+  AttributeSet OldSSPAttr = AttributeSet::get(Caller->getContext(),
+                                              AttributeSet::FunctionIndex,
+                                              B);
+
+  if (Callee->hasFnAttribute(Attribute::SafeStack)) {
+    Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
+    Caller->addFnAttr(Attribute::SafeStack);
+  } else if (Callee->hasFnAttribute(Attribute::StackProtectReq) &&
+             !Caller->hasFnAttribute(Attribute::SafeStack)) {
+    Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
+    Caller->addFnAttr(Attribute::StackProtectReq);
+  } else if (Callee->hasFnAttribute(Attribute::StackProtectStrong) &&
+             !Caller->hasFnAttribute(Attribute::SafeStack) &&
+             !Caller->hasFnAttribute(Attribute::StackProtectReq)) {
+    Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
+    Caller->addFnAttr(Attribute::StackProtectStrong);
+  } else if (Callee->hasFnAttribute(Attribute::StackProtect) &&
+             !Caller->hasFnAttribute(Attribute::SafeStack) &&
+             !Caller->hasFnAttribute(Attribute::StackProtectReq) &&
+             !Caller->hasFnAttribute(Attribute::StackProtectStrong))
+    Caller->addFnAttr(Attribute::StackProtect);
+}
+

 /// If it is possible to inline the specified call site,
 /// do so and update the CallGraph for this operation.
 ///
 /// If it is possible to inline the specified call site,
 /// do so and update the CallGraph for this operation.
 ///


@@ -113,7 +146,7 @@ static bool InlineCallIfPossible(Pass &P, CallSite CS, InlineFunctionInfo &IFI,
   if (!InlineFunction(CS, IFI, &AAR, InsertLifetime))
     return false;
 
   if (!InlineFunction(CS, IFI, &AAR, InsertLifetime))
     return false;
 

-  AttributeFuncs::mergeAttributesForInlining(*Caller, *Callee);
+  AdjustCallerSSPLevel(Caller, Callee);

 
   // Look at all of the allocas that we inlined through this call site.  If we
   // have already inlined other allocas through other calls into this function,
 
   // Look at all of the allocas that we inlined through this call site.  If we
   // have already inlined other allocas through other calls into this function,

diff --git a/utils/TableGen/Attributes.cpp b/utils/TableGen/Attributes.cpp
index df986a5fb5656f5a16dbc5710dcae1b9e25856ec..385a244d74d416f2a7e1dd6bc4af7886f2e4a021 100644 (file)
--- a/utils/TableGen/Attributes.cpp
+++ b/utils/TableGen/Attributes.cpp
@@ -27,12 +27,6 @@ public:
 
 private:
   void emitTargetIndependentEnums(raw_ostream &OS);
 
 private:
   void emitTargetIndependentEnums(raw_ostream &OS);

-  void emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr);
-
-  void printEnumAttrClasses(raw_ostream &OS,
-                            const std::vector<Record *> &Records);
-  void printStrBoolAttrClasses(raw_ostream &OS,
-                               const std::vector<Record *> &Records);

 
   RecordKeeper &Records;
 };
 
   RecordKeeper &Records;
 };


@@ -52,97 +46,8 @@ void Attributes::emitTargetIndependentEnums(raw_ostream &OS) {
   OS << "#endif\n";
 }
 
   OS << "#endif\n";
 }
 

-void Attributes::emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr) {
-  OS << "#ifdef GET_ATTR_COMPAT_FUNC\n";
-  OS << "#undef GET_ATTR_COMPAT_FUNC\n";
-
-  OS << "struct EnumAttr {\n";
-  OS << "  static bool isSet(const Function &Fn,\n";
-  OS << "                    Attribute::AttrKind Kind) {\n";
-  OS << "    return Fn.hasFnAttribute(Kind);\n";
-  OS << "  }\n\n";
-  OS << "  static void set(Function &Fn,\n";
-  OS << "                  Attribute::AttrKind Kind, bool Val) {\n";
-  OS << "    if (Val)\n";
-  OS << "      Fn.addFnAttr(Kind);\n";
-  OS << "    else\n";
-  OS << "      Fn.removeFnAttr(Kind);\n";
-  OS << "  }\n";
-  OS << "};\n\n";
-
-  OS << "struct StrBoolAttr {\n";
-  OS << "  static bool isSet(const Function &Fn,\n";
-  OS << "                    StringRef Kind) {\n";
-  OS << "    auto A = Fn.getFnAttribute(Kind);\n";
-  OS << "    return A.getValueAsString().equals(\"true\");\n";
-  OS << "  }\n\n";
-  OS << "  static void set(Function &Fn,\n";
-  OS << "                  StringRef Kind, bool Val) {\n";
-  OS << "    Fn.addFnAttr(Kind, Val ? \"true\" : \"false\");\n";
-  OS << "  }\n";
-  OS << "};\n\n";
-
-  printEnumAttrClasses(OS ,Records.getAllDerivedDefinitions("EnumAttr"));
-  printStrBoolAttrClasses(OS , Records.getAllDerivedDefinitions("StrBoolAttr"));
-
-  OS << "static inline bool hasCompatibleFnAttrs(const Function &Caller,\n"
-     << "                                        const Function &Callee) {\n";
-  OS << "  bool Ret = true;\n\n";
-
-  const std::vector<Record *> &CompatRules =
-    Records.getAllDerivedDefinitions("CompatRule");
-
-  for (auto *Rule : CompatRules) {
-    StringRef FuncName = Rule->getValueAsString("CompatFunc");
-    OS << "  Ret &= " << FuncName << "(Caller, Callee);\n";
-  }
-
-  OS << "\n";
-  OS << "  return Ret;\n";
-  OS << "}\n\n";
-
-  const std::vector<Record *> &MergeRules =
-      Records.getAllDerivedDefinitions("MergeRule");
-  OS << "static inline void mergeFnAttrs(Function &Caller,\n"
-     << "                                const Function &Callee) {\n";
-
-  for (auto *Rule : MergeRules) {
-    StringRef FuncName = Rule->getValueAsString("MergeFunc");
-    OS << "  " << FuncName << "(Caller, Callee);\n";
-  }
-
-  OS << "}\n\n";
-
-  OS << "#endif\n";
-}
-
-void Attributes::printEnumAttrClasses(raw_ostream &OS,
-                                      const std::vector<Record *> &Records) {
-  OS << "// EnumAttr classes\n";
-  for (const auto *R : Records) {
-    OS << "struct " << R->getName() << "Attr : EnumAttr {\n";
-    OS << "  constexpr static const enum Attribute::AttrKind Kind = ";
-    OS << "Attribute::" << R->getName() << ";\n";
-    OS << "};\n";
-  }
-  OS << "\n";
-}
-
-void Attributes::printStrBoolAttrClasses(raw_ostream &OS,
-                                         const std::vector<Record *> &Records) {
-  OS << "// StrBoolAttr classes\n";
-  for (const auto *R : Records) {
-    OS << "struct " << R->getName() << "Attr : StrBoolAttr {\n";
-    OS << "  constexpr static const char * const Kind = \"";
-    OS << R->getValueAsString("AttrString") << "\";\n";
-    OS << "};\n";
-  }
-  OS << "\n";
-}
-

 void Attributes::emit(raw_ostream &OS) {
   emitTargetIndependentEnums(OS);
 void Attributes::emit(raw_ostream &OS) {
   emitTargetIndependentEnums(OS);

-  emitFnAttrCompatCheck(OS, false);

 }
 
 namespace llvm {
 }
 
 namespace llvm {