Subzero. Uses fixups to calculate addend to relocations.

src/IceTargetLoweringX86Base.h

 //===- subzero/src/IceTargetLoweringX86Base.h - x86 lowering ----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 154 matching lines @@
     return MaxOutArgsSizeBytes;
   }
   virtual void updateMaxOutArgsSizeBytes(uint32_t Size) {
     MaxOutArgsSizeBytes = std::max(MaxOutArgsSizeBytes, Size);
   }
 
   bool shouldSplitToVariable64On32(Type Ty) const override {
     return Traits::Is64Bit ? false : Ty == IceType_i64;
   }
 
+  ConstantRelocatable *createGetIPForRegister(const Variable *Dest) {
+    assert(Dest->hasReg());
+    const IceString RegName = Traits::getRegName(Dest->getRegNum());
+    return llvm::cast<ConstantRelocatable>(
+        Ctx->getConstantExternSym(H_getIP_prefix + RegName));
+  }
+
   SizeT getMinJumpTableSize() const override { return 4; }
 
   void emitVariable(const Variable *Var) const override;
 
   void emit(const ConstantInteger32 *C) const final;
   void emit(const ConstantInteger64 *C) const final;
   void emit(const ConstantFloat *C) const final;
   void emit(const ConstantDouble *C) const final;
   void emit(const ConstantUndef *C) const final;
   void emit(const ConstantRelocatable *C) const final;
@@ skipping 934 matching lines @@
 
   explicit TargetHeaderX86(GlobalContext *Ctx) : TargetHeaderLowering(Ctx) {}
 };
 
 } // end of namespace X86NAMESPACE
 } // end of namespace Ice
 
 #include "IceTargetLoweringX86BaseImpl.h"
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASE_H