Revert "Add support for Windows Secure Hot-Patching" (#145553)

Reverts llvm/llvm-project#138972

1 files changed, 0 insertions, 24 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 5e1b313..ea57a8f 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -669,8 +669,6 @@ void CodeViewDebug::endModule() {
   if (!Asm)
     return;
 
-  emitSecureHotPatchInformation();
-
   emitInlineeLinesSubsection();
 
   // Emit per-function debug information.
@@ -825,28 +823,6 @@ void CodeViewDebug::emitObjName() {
   endSymbolRecord(CompilerEnd);
 }
 
-void CodeViewDebug::emitSecureHotPatchInformation() {
-  MCSymbol *hotPatchInfo = nullptr;
-
-  for (const auto &F : MMI->getModule()->functions()) {
-    if (!F.isDeclarationForLinker() &&
-        F.hasFnAttribute("marked_for_windows_hot_patching")) {
-      if (hotPatchInfo == nullptr)
-        hotPatchInfo = beginCVSubsection(DebugSubsectionKind::Symbols);
-      MCSymbol *HotPatchEnd = beginSymbolRecord(SymbolKind::S_HOTPATCHFUNC);
-      auto *SP = F.getSubprogram();
-      OS.AddComment("Function");
-      OS.emitInt32(getFuncIdForSubprogram(SP).getIndex());
-      OS.AddComment("Name");
-      emitNullTerminatedSymbolName(OS, F.getName());
-      endSymbolRecord(HotPatchEnd);
-    }
-  }
-
-  if (hotPatchInfo != nullptr)
-    endCVSubsection(hotPatchInfo);
-}
-
 namespace {
 struct Version {
   int Part[4];