Revert "Emit Function IDs table for Control Flow Guard"

The new test fails on the Hexagon bot.  Reverting while I investigate.

This reverts https://reviews.llvm.org/rL322005

This reverts commit b7e0026b4385180c378edc658ec91a39566f2942.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322008 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCObjectFileInfo.h

@@ -196,7 +196,6 @@ protected:
   MCSection *PDataSection;
   MCSection *XDataSection;
   MCSection *SXDataSection;
-  MCSection *GFIDsSection;
 
 public:
   void InitMCObjectFileInfo(const Triple &TT, bool PIC, MCContext &ctx,
@@ -350,7 +349,6 @@ public:
   MCSection *getPDataSection() const { return PDataSection; }
   MCSection *getXDataSection() const { return XDataSection; }
   MCSection *getSXDataSection() const { return SXDataSection; }
-  MCSection *getGFIDsSection() const { return GFIDsSection; }
 
   MCSection *getEHFrameSection() {
     return EHFrameSection;

include/llvm/MC/MCStreamer.h

@@ -499,9 +499,6 @@ public:
 
   virtual void EmitCOFFSafeSEH(MCSymbol const *Symbol);
 
-  /// \brief Emits the symbol table index of a Symbol into the current section.
-  virtual void EmitCOFFSymbolIndex(MCSymbol const *Symbol);
-
   /// \brief Emits a COFF section index.
   ///
   /// \param Symbol - Symbol the section number relocation should point to.

include/llvm/MC/MCWinCOFFStreamer.h

@@ -50,7 +50,6 @@ public:
   void EmitCOFFSymbolType(int Type) override;
   void EndCOFFSymbolDef() override;
   void EmitCOFFSafeSEH(MCSymbol const *Symbol) override;
-  void EmitCOFFSymbolIndex(MCSymbol const *Symbol) override;
   void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
   void EmitCOFFSecRel32(MCSymbol const *Symbol, uint64_t Offset) override;
   void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,

lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -16,7 +16,6 @@
 #include "CodeViewDebug.h"
 #include "DwarfDebug.h"
 #include "DwarfException.h"
-#include "WinCFGuard.h"
 #include "WinException.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APInt.h"
@@ -131,8 +130,6 @@ static const char *const DbgTimerName = "emit";
 static const char *const DbgTimerDescription = "Debug Info Emission";
 static const char *const EHTimerName = "write_exception";
 static const char *const EHTimerDescription = "DWARF Exception Writer";
-static const char *const CFGuardName = "Control Flow Guard";
-static const char *const CFGuardDescription = "Control Flow Guard Tables";
 static const char *const CodeViewLineTablesGroupName = "linetables";
 static const char *const CodeViewLineTablesGroupDescription =
   "CodeView Line Tables";
@@ -357,13 +354,6 @@ bool AsmPrinter::doInitialization(Module &M) {
   if (ES)
     Handlers.push_back(HandlerInfo(ES, EHTimerName, EHTimerDescription,
                                    DWARFGroupName, DWARFGroupDescription));
-
-  if (mdconst::extract_or_null<ConstantInt>(
-          MMI->getModule()->getModuleFlag("cfguard")))
-    Handlers.push_back(HandlerInfo(new WinCFGuard(this), CFGuardName,
-                                   CFGuardDescription, DWARFGroupName,
-                                   DWARFGroupDescription));
-
   return false;
 }
 

lib/CodeGen/AsmPrinter/CMakeLists.txt

@@ -20,7 +20,6 @@ add_llvm_library(LLVMAsmPrinter
   EHStreamer.cpp
   ErlangGCPrinter.cpp
   OcamlGCPrinter.cpp
-  WinCFGuard.cpp
   WinException.cpp
   CodeViewDebug.cpp
 

lib/CodeGen/AsmPrinter/WinCFGuard.cpp

@@ -1,45 +0,0 @@
-//===-- CodeGen/AsmPrinter/WinCFGuard.cpp - Control Flow Guard Impl ------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for writing Win64 exception info into asm files.
-//
-//===----------------------------------------------------------------------===//
-
-#include "WinCFGuard.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineOperand.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/IR/Metadata.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCStreamer.h"
-
-#include <vector>
-
-using namespace llvm;
-
-WinCFGuard::WinCFGuard(AsmPrinter *A) : AsmPrinterHandler(), Asm(A) {}
-
-WinCFGuard::~WinCFGuard() {}
-
-void WinCFGuard::endModule() {
-  const Module *M = Asm->MMI->getModule();
-  std::vector<const Function *> Functions;
-  for (const Function &F : *M)
-    if (F.hasAddressTaken())
-      Functions.push_back(&F);
-  if (Functions.empty())
-    return;
-  auto &OS = *Asm->OutStreamer;
-  OS.SwitchSection(Asm->OutContext.getObjectFileInfo()->getGFIDsSection());
-  for (const Function *F : Functions)
-    OS.EmitCOFFSymbolIndex(Asm->getSymbol(F));
-}

lib/CodeGen/AsmPrinter/WinCFGuard.h

@@ -1,54 +0,0 @@
-//===-- WinCFGuard.h - Windows Control Flow Guard Handling ----*- C++ -*--===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for writing windows exception info into asm files.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WINCFGUARD_H
-#define LLVM_LIB_CODEGEN_ASMPRINTER_WINCFGUARD_H
-
-#include "AsmPrinterHandler.h"
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-
-class LLVM_LIBRARY_VISIBILITY WinCFGuard : public AsmPrinterHandler {
-  /// Target of directive emission.
-  AsmPrinter *Asm;
-
-public:
-  WinCFGuard(AsmPrinter *A);
-  ~WinCFGuard() override;
-
-  void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {}
-
-  /// \brief Emit the Control Flow Guard function ID table
-  void endModule() override;
-
-  /// \brief Gather pre-function debug information.
-  /// Every beginFunction(MF) call should be followed by an endFunction(MF)
-  /// call.
-  void beginFunction(const MachineFunction *MF) override {}
-
-  /// \brief Gather post-function debug information.
-  /// Please note that some AsmPrinter implementations may not call
-  /// beginFunction at all.
-  void endFunction(const MachineFunction *MF) override {}
-
-  /// \brief Process beginning of an instruction.
-  void beginInstruction(const MachineInstr *MI) override {}
-
-  /// \brief Process end of an instruction.
-  void endInstruction() override {}
-};
-
-} // namespace llvm
-
-#endif

lib/MC/MCAsmStreamer.cpp

@@ -151,7 +151,6 @@ public:
   void EmitCOFFSymbolType(int Type) override;
   void EndCOFFSymbolDef() override;
   void EmitCOFFSafeSEH(MCSymbol const *Symbol) override;
-  void EmitCOFFSymbolIndex(MCSymbol const *Symbol) override;
   void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
   void EmitCOFFSecRel32(MCSymbol const *Symbol, uint64_t Offset) override;
   void emitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
@@ -654,12 +653,6 @@ void MCAsmStreamer::EmitCOFFSafeSEH(MCSymbol const *Symbol) {
   EmitEOL();
 }
 
-void MCAsmStreamer::EmitCOFFSymbolIndex(MCSymbol const *Symbol) {
-  OS << "\t.symidx\t";
-  Symbol->print(OS, MAI);
-  EmitEOL();
-}
-
 void MCAsmStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) {
   OS << "\t.secidx\t";
   Symbol->print(OS, MAI);

lib/MC/MCObjectFileInfo.cpp

@@ -819,11 +819,6 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) {
   SXDataSection = Ctx->getCOFFSection(".sxdata", COFF::IMAGE_SCN_LNK_INFO,
                                       SectionKind::getMetadata());
 
-  GFIDsSection = Ctx->getCOFFSection(".gfids$y",
-                                     COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
-                                         COFF::IMAGE_SCN_MEM_READ,
-                                     SectionKind::getMetadata());
-
   TLSDataSection = Ctx->getCOFFSection(
       ".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
                    COFF::IMAGE_SCN_MEM_WRITE,

lib/MC/MCParser/COFFAsmParser.cpp

@@ -65,9 +65,8 @@ class COFFAsmParser : public MCAsmParserExtension {
     addDirectiveHandler<&COFFAsmParser::ParseDirectiveType>(".type");
     addDirectiveHandler<&COFFAsmParser::ParseDirectiveEndef>(".endef");
     addDirectiveHandler<&COFFAsmParser::ParseDirectiveSecRel32>(".secrel32");
-    addDirectiveHandler<&COFFAsmParser::ParseDirectiveSymIdx>(".symidx");
-    addDirectiveHandler<&COFFAsmParser::ParseDirectiveSafeSEH>(".safeseh");
     addDirectiveHandler<&COFFAsmParser::ParseDirectiveSecIdx>(".secidx");
+    addDirectiveHandler<&COFFAsmParser::ParseDirectiveSafeSEH>(".safeseh");
     addDirectiveHandler<&COFFAsmParser::ParseDirectiveLinkOnce>(".linkonce");
 
     // Win64 EH directives.
@@ -131,7 +130,6 @@ class COFFAsmParser : public MCAsmParserExtension {
   bool ParseDirectiveSecRel32(StringRef, SMLoc);
   bool ParseDirectiveSecIdx(StringRef, SMLoc);
   bool ParseDirectiveSafeSEH(StringRef, SMLoc);
-  bool ParseDirectiveSymIdx(StringRef, SMLoc);
   bool parseCOMDATType(COFF::COMDATType &Type);
   bool ParseDirectiveLinkOnce(StringRef, SMLoc);
 
@@ -522,21 +520,6 @@ bool COFFAsmParser::ParseDirectiveSecIdx(StringRef, SMLoc) {
   return false;
 }
 
-bool COFFAsmParser::ParseDirectiveSymIdx(StringRef, SMLoc) {
-  StringRef SymbolID;
-  if (getParser().parseIdentifier(SymbolID))
-    return TokError("expected identifier in directive");
-
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in directive");
-
-  MCSymbol *Symbol = getContext().getOrCreateSymbol(SymbolID);
-
-  Lex();
-  getStreamer().EmitCOFFSymbolIndex(Symbol);
-  return false;
-}
-
 /// ::= [ identifier ]
 bool COFFAsmParser::parseCOMDATType(COFF::COMDATType &Type) {
   StringRef TypeId = getTok().getIdentifier();

lib/MC/MCStreamer.cpp

@@ -804,8 +804,6 @@ void MCStreamer::EmitWinCFIEndProlog(SMLoc Loc) {
 void MCStreamer::EmitCOFFSafeSEH(MCSymbol const *Symbol) {
 }
 
-void MCStreamer::EmitCOFFSymbolIndex(MCSymbol const *Symbol) {}
-
 void MCStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) {
 }
 

lib/MC/MCWinCOFFStreamer.cpp

@@ -193,17 +193,6 @@ void MCWinCOFFStreamer::EmitCOFFSafeSEH(MCSymbol const *Symbol) {
                    << COFF::SCT_COMPLEX_TYPE_SHIFT);
 }
 
-void MCWinCOFFStreamer::EmitCOFFSymbolIndex(MCSymbol const *Symbol) {
-  MCSection *Sec = getCurrentSectionOnly();
-  getAssembler().registerSection(*Sec);
-  if (Sec->getAlignment() < 4)
-    Sec->setAlignment(4);
-
-  new MCSymbolIdFragment(Symbol, getCurrentSectionOnly());
-
-  getAssembler().registerSymbol(*Symbol);
-}
-
 void MCWinCOFFStreamer::EmitCOFFSectionIndex(const MCSymbol *Symbol) {
   visitUsedSymbol(*Symbol);
   MCDataFragment *DF = getOrCreateDataFragment();

test/CodeGen/WinCFGuard/cfguard.ll

@@ -1,162 +0,0 @@
-; RUN: llc < %s | FileCheck %s
-
-; CHECK: .section .gfids$y
-; CHECK: .symidx "?address_taken@@YAXXZ"
-; CHECK: .symidx "?virt_method@Derived@@UEBAHXZ"
-
-; ModuleID = 'cfguard.cpp'
-source_filename = "cfguard.cpp"
-target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-pc-windows-msvc"
-
-%struct.Derived = type { %struct.Base }
-%struct.Base = type { i32 (...)** }
-%rtti.CompleteObjectLocator = type { i32, i32, i32, i32, i32, i32 }
-%rtti.TypeDescriptor13 = type { i8**, i8*, [14 x i8] }
-%rtti.ClassHierarchyDescriptor = type { i32, i32, i32, i32 }
-%rtti.BaseClassDescriptor = type { i32, i32, i32, i32, i32, i32, i32 }
-%rtti.TypeDescriptor10 = type { i8**, i8*, [11 x i8] }
-
-$"\01??0Derived@@QEAA@XZ" = comdat any
-
-$"\01??0Base@@QEAA@XZ" = comdat any
-
-$"\01?virt_method@Derived@@UEBAHXZ" = comdat any
-
-$"\01??_7Derived@@6B@" = comdat largest
-
-$"\01??_R4Derived@@6B@" = comdat any
-
-$"\01??_R0?AUDerived@@@8" = comdat any
-
-$"\01??_R3Derived@@8" = comdat any
-
-$"\01??_R2Derived@@8" = comdat any
-
-$"\01??_R1A@?0A@EA@Derived@@8" = comdat any
-
-$"\01??_R1A@?0A@EA@Base@@8" = comdat any
-
-$"\01??_R0?AUBase@@@8" = comdat any
-
-$"\01??_R3Base@@8" = comdat any
-
-$"\01??_R2Base@@8" = comdat any
-
-$"\01??_7Base@@6B@" = comdat largest
-
-$"\01??_R4Base@@6B@" = comdat any
-
-@"\01?D@@3UDerived@@A" = global %struct.Derived zeroinitializer, align 8
-@0 = private unnamed_addr constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (%rtti.CompleteObjectLocator* @"\01??_R4Derived@@6B@" to i8*), i8* bitcast (i32 (%struct.Derived*)* @"\01?virt_method@Derived@@UEBAHXZ" to i8*)] }, comdat($"\01??_7Derived@@6B@")
-@"\01??_R4Derived@@6B@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 1, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor13* @"\01??_R0?AUDerived@@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.ClassHierarchyDescriptor* @"\01??_R3Derived@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.CompleteObjectLocator* @"\01??_R4Derived@@6B@" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, comdat
-@"\01??_7type_info@@6B@" = external constant i8*
-@"\01??_R0?AUDerived@@@8" = linkonce_odr global %rtti.TypeDescriptor13 { i8** @"\01??_7type_info@@6B@", i8* null, [14 x i8] c".?AUDerived@@\00" }, comdat
-@__ImageBase = external constant i8
-@"\01??_R3Derived@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 0, i32 2, i32 trunc (i64 sub nuw nsw (i64 ptrtoint ([3 x i32]* @"\01??_R2Derived@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, comdat
-@"\01??_R2Derived@@8" = linkonce_odr constant [3 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.BaseClassDescriptor* @"\01??_R1A@?0A@EA@Derived@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.BaseClassDescriptor* @"\01??_R1A@?0A@EA@Base@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0], comdat
-@"\01??_R1A@?0A@EA@Derived@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor13* @"\01??_R0?AUDerived@@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 1, i32 0, i32 -1, i32 0, i32 64, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.ClassHierarchyDescriptor* @"\01??_R3Derived@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, comdat
-@"\01??_R1A@?0A@EA@Base@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor10* @"\01??_R0?AUBase@@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 0, i32 -1, i32 0, i32 64, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.ClassHierarchyDescriptor* @"\01??_R3Base@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, comdat
-@"\01??_R0?AUBase@@@8" = linkonce_odr global %rtti.TypeDescriptor10 { i8** @"\01??_7type_info@@6B@", i8* null, [11 x i8] c".?AUBase@@\00" }, comdat
-@"\01??_R3Base@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 0, i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint ([2 x i32]* @"\01??_R2Base@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, comdat
-@"\01??_R2Base@@8" = linkonce_odr constant [2 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.BaseClassDescriptor* @"\01??_R1A@?0A@EA@Base@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0], comdat
-@1 = private unnamed_addr constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (%rtti.CompleteObjectLocator* @"\01??_R4Base@@6B@" to i8*), i8* bitcast (void ()* @_purecall to i8*)] }, comdat($"\01??_7Base@@6B@")
-@"\01??_R4Base@@6B@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 1, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor10* @"\01??_R0?AUBase@@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.ClassHierarchyDescriptor* @"\01??_R3Base@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.CompleteObjectLocator* @"\01??_R4Base@@6B@" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, comdat
-@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_cfguard.cpp, i8* null }]
-
-@"\01??_7Derived@@6B@" = unnamed_addr alias i8*, getelementptr inbounds ({ [2 x i8*] }, { [2 x i8*] }* @0, i32 0, i32 0, i32 1)
-@"\01??_7Base@@6B@" = unnamed_addr alias i8*, getelementptr inbounds ({ [2 x i8*] }, { [2 x i8*] }* @1, i32 0, i32 0, i32 1)
-
-; Function Attrs: noinline nounwind
-define internal void @"\01??__ED@@YAXXZ"() #0 {
-entry:
-  %call = call %struct.Derived* @"\01??0Derived@@QEAA@XZ"(%struct.Derived* @"\01?D@@3UDerived@@A") #2
-  ret void
-}
-
-; Function Attrs: noinline nounwind optnone
-define linkonce_odr %struct.Derived* @"\01??0Derived@@QEAA@XZ"(%struct.Derived* returned %this) unnamed_addr #1 comdat align 2 {
-entry:
-  %this.addr = alloca %struct.Derived*, align 8
-  store %struct.Derived* %this, %struct.Derived** %this.addr, align 8
-  %this1 = load %struct.Derived*, %struct.Derived** %this.addr, align 8
-  %0 = bitcast %struct.Derived* %this1 to %struct.Base*
-  %call = call %struct.Base* @"\01??0Base@@QEAA@XZ"(%struct.Base* %0) #2
-  %1 = bitcast %struct.Derived* %this1 to i32 (...)***
-  store i32 (...)** bitcast (i8** @"\01??_7Derived@@6B@" to i32 (...)**), i32 (...)*** %1, align 8
-  ret %struct.Derived* %this1
-}
-
-; Function Attrs: noinline nounwind optnone
-define void @"\01?address_taken@@YAXXZ"() #1 {
-entry:
-  ret void
-}
-
-; Function Attrs: noinline nounwind optnone
-define void ()* @"\01?foo@@YAP6AXXZPEAUBase@@@Z"(%struct.Base* %B) #1 {
-entry:
-  %retval = alloca void ()*, align 8
-  %B.addr = alloca %struct.Base*, align 8
-  store %struct.Base* %B, %struct.Base** %B.addr, align 8
-  %0 = load %struct.Base*, %struct.Base** %B.addr, align 8
-  %1 = bitcast %struct.Base* %0 to i32 (%struct.Base*)***
-  %vtable = load i32 (%struct.Base*)**, i32 (%struct.Base*)*** %1, align 8
-  %vfn = getelementptr inbounds i32 (%struct.Base*)*, i32 (%struct.Base*)** %vtable, i64 0
-  %2 = load i32 (%struct.Base*)*, i32 (%struct.Base*)** %vfn, align 8
-  %call = call i32 %2(%struct.Base* %0)
-  %tobool = icmp ne i32 %call, 0
-  br i1 %tobool, label %if.then, label %if.end
-
-if.then:                                          ; preds = %entry
-  store void ()* @"\01?address_taken@@YAXXZ", void ()** %retval, align 8
-  br label %return
-
-if.end:                                           ; preds = %entry
-  store void ()* null, void ()** %retval, align 8
-  br label %return
-
-return:                                           ; preds = %if.end, %if.then
-  %3 = load void ()*, void ()** %retval, align 8
-  ret void ()* %3
-}
-
-; Function Attrs: noinline nounwind optnone
-define linkonce_odr %struct.Base* @"\01??0Base@@QEAA@XZ"(%struct.Base* returned %this) unnamed_addr #1 comdat align 2 {
-entry:
-  %this.addr = alloca %struct.Base*, align 8
-  store %struct.Base* %this, %struct.Base** %this.addr, align 8
-  %this1 = load %struct.Base*, %struct.Base** %this.addr, align 8
-  %0 = bitcast %struct.Base* %this1 to i32 (...)***
-  store i32 (...)** bitcast (i8** @"\01??_7Base@@6B@" to i32 (...)**), i32 (...)*** %0, align 8
-  ret %struct.Base* %this1
-}
-
-; Function Attrs: noinline nounwind optnone
-define linkonce_odr i32 @"\01?virt_method@Derived@@UEBAHXZ"(%struct.Derived* %this) unnamed_addr #1 comdat align 2 {
-entry:
-  %this.addr = alloca %struct.Derived*, align 8
-  store %struct.Derived* %this, %struct.Derived** %this.addr, align 8
-  %this1 = load %struct.Derived*, %struct.Derived** %this.addr, align 8
-  ret i32 42
-}
-
-declare dllimport void @_purecall() unnamed_addr
-
-; Function Attrs: noinline nounwind
-define internal void @_GLOBAL__sub_I_cfguard.cpp() #0 {
-entry:
-  call void @"\01??__ED@@YAXXZ"()
-  ret void
-}
-
-attributes #0 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #2 = { nounwind }
-
-!llvm.module.flags = !{!0, !1}
-!llvm.ident = !{!2}
-
-!0 = !{i32 2, !"cfguard", i32 1}
-!1 = !{i32 1, !"wchar_size", i32 2}
-!2 = !{!"clang version 6.0.0 "}

test/MC/COFF/symidx.s

@@ -1,15 +0,0 @@
-// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-objdump -s -t - | FileCheck %s
-.text
-foo:
-  ret
-bar:
-  ret
-.data
-.symidx	bar
-.symidx	foo
-
-// CHECK:      Contents of section .data:
-// CHECK-NEXT:  0000 0[[BAR:[1-9]]]000000 0[[FOO:[1-9]]]000000
-// CHECK:      SYMBOL TABLE:
-// CHECK:      [ [[FOO]]](sec  1)(fl 0x00)(ty   0)(scl   3) (nx 0) 0x00000000 foo
-// CHECK-NEXT: [ [[BAR]]](sec  1)(fl 0x00)(ty   0)(scl   3) (nx 0) 0x00000001 bar