Revert "[WebAssembly] Parse llvm.ident into producers section"

This reverts commit eccdbba3a02a33e13b5262e92200a33e2ead873d.

llvm-svn: 351410

1 files changed, 0 insertions, 30 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index 6d5647a7ace..c4f03dfa7f9 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
@@ -22,7 +22,6 @@
 #include "WebAssemblyMCInstLower.h"
 #include "WebAssemblyMachineFunctionInfo.h"
 #include "WebAssemblyRegisterInfo.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/CodeGen/Analysis.h"
 #include "llvm/CodeGen/AsmPrinter.h"
@@ -147,35 +146,6 @@ void WebAssemblyAsmPrinter::EmitEndOfAsmFile(Module &M) {
       OutStreamer->PopSection();
     }
   }
-
-  if (const NamedMDNode *Ident = M.getNamedMetadata("llvm.ident")) {
-    llvm::SmallSet<StringRef, 4> SeenTools;
-    llvm::SmallVector<std::pair<StringRef, StringRef>, 4> Tools;
-    for (size_t i = 0, e = Ident->getNumOperands(); i < e; ++i) {
-      const auto *S = cast<MDString>(Ident->getOperand(i)->getOperand(0));
-      std::pair<StringRef, StringRef> Field = S->getString().split("version");
-      StringRef Name = Field.first.trim();
-      StringRef Version = Field.second.trim();
-      if (!SeenTools.insert(Name).second)
-        continue;
-      Tools.emplace_back(Name, Version);
-    }
-    MCSectionWasm *Producers = OutContext.getWasmSection(
-        ".custom_section.producers", SectionKind::getMetadata());
-    OutStreamer->PushSection();
-    OutStreamer->SwitchSection(Producers);
-    OutStreamer->EmitULEB128IntValue(1);
-    OutStreamer->EmitULEB128IntValue(strlen("processed-by"));
-    OutStreamer->EmitBytes("processed-by");
-    OutStreamer->EmitULEB128IntValue(Tools.size());
-    for (auto &Tool : Tools) {
-      OutStreamer->EmitULEB128IntValue(Tool.first.size());
-      OutStreamer->EmitBytes(Tool.first);
-      OutStreamer->EmitULEB128IntValue(Tool.second.size());
-      OutStreamer->EmitBytes(Tool.second);
-    }
-    OutStreamer->PopSection();
-  }
 }
 
 void WebAssemblyAsmPrinter::EmitConstantPool() {