Subzero: Fix symbol name mangling. Make flags global.

src/IceFixups.cpp

 //===- subzero/src/IceFixups.cpp - Implementation of Assembler Fixups -----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 11 matching lines @@
 const Constant *AssemblerFixup::NullSymbol = nullptr;
 
 RelocOffsetT AssemblerFixup::offset() const {
   if (isNullSymbol())
     return addend_;
   if (const auto *CR = llvm::dyn_cast<ConstantRelocatable>(value_))
     return CR->getOffset() + addend_;
   return addend_;
 }
 
-IceString AssemblerFixup::symbol(const GlobalContext *Ctx,
-                                 const Assembler *Asm) const {
+IceString AssemblerFixup::symbol(const Assembler *Asm) const {
   std::string Buffer;
   llvm::raw_string_ostream Str(Buffer);
   const Constant *C = value_;
   assert(!isNullSymbol());
   if (const auto *CR = llvm::dyn_cast<ConstantRelocatable>(C)) {
-    if (CR->getSuppressMangling())
-      Str << CR->getName();
-    else
-      Str << Ctx->mangleName(CR->getName());
-    if (Asm && !Asm->fixupIsPCRel(kind()) && Ctx->getFlags().getUseNonsfi() &&
+    Str << CR->getName();
+    if (Asm && !Asm->fixupIsPCRel(kind()) &&
+        GlobalContext::getFlags().getUseNonsfi() &&
         CR->getName() != GlobalOffsetTable) {
       // TODO(jpp): remove the special GOT test.
       Str << "@GOTOFF";
     }
   } else {
     // NOTE: currently only float/doubles are put into constant pools. In the
     // future we may put integers as well.
     assert(llvm::isa<ConstantFloat>(C) || llvm::isa<ConstantDouble>(C));
-    C->emitPoolLabel(Str, Ctx);
+    C->emitPoolLabel(Str);
   }
   return Str.str();
 }
 
 size_t AssemblerFixup::emit(GlobalContext *Ctx, const Assembler &Asm) const {
   static constexpr const size_t FixupSize = 4;
   if (!BuildDefs::dump())
     return FixupSize;
   Ostream &Str = Ctx->getStrEmit();
   Str << "\t.long ";
   IceString Symbol;
   if (isNullSymbol()) {
     Str << "__Sz_AbsoluteZero";
   } else {
-    Symbol = symbol(Ctx, &Asm);
+    Symbol = symbol(&Asm);
     Str << Symbol;
   }
 
   assert(Asm.load<RelocOffsetT>(position()) == 0);
 
   RelocOffsetT Offset = offset();
   if (Offset != 0) {
     if (Offset > 0) {
       Str << " + " << Offset;
     } else {
@@ skipping 14 matching lines @@
 void AssemblerFixup::emitOffset(Assembler *Asm) const {
   Asm->store(position(), offset());
 }
 
 size_t AssemblerTextFixup::emit(GlobalContext *Ctx, const Assembler &) const {
   Ctx->getStrEmit() << Message << "\n";
   return NumBytes;
 }
 
 } // end of namespace Ice