Remove Emscripten support

lib/Target/JSBackend/JSTargetTransformInfo.h

Index: lib/Target/JSBackend/JSTargetTransformInfo.h
diff --git a/lib/Target/JSBackend/JSTargetTransformInfo.h b/lib/Target/JSBackend/JSTargetTransformInfo.h
deleted file mode 100644
index e7bdc10e5d84fb7afa8dfeb5c5b326e11c3fc957..0000000000000000000000000000000000000000
--- a/lib/Target/JSBackend/JSTargetTransformInfo.h
+++ /dev/null
@@ -1,80 +0,0 @@
-//===-- JSTargetTransformInfo.h - JS specific TTI ---------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-/// \file
-/// This file implements a TargetTransformInfo::Concept conforming object
-/// specific to the JS target machine. It uses the target's detailed information
-/// to provide more precise answers to certain TTI queries, while letting the
-/// target independent and default TTI implementations handle the rest.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_JSBACKEND_JSTARGETTRANSFORMINFO_H
-#define LLVM_LIB_TARGET_JSBACKEND_JSTARGETTRANSFORMINFO_H
-
-#include "JS.h"
-#include "JSTargetMachine.h"
-#include "llvm/Analysis/TargetTransformInfo.h"
-#include "llvm/CodeGen/BasicTTIImpl.h"
-
-namespace llvm {
-
-class JSTTI : public BasicTTIImplBase<JSTTI> {
-  typedef BasicTTIImplBase<JSTTI> BaseT;
-  typedef TargetTransformInfo TTI;
-  friend BaseT;
-
-  const TargetSubtargetInfo *ST;
-  const TargetLoweringBase *TLI;
-
-  const TargetSubtargetInfo *getST() const { return ST; }
-  const TargetLoweringBase *getTLI() const { return TLI; }
-
-public:
-explicit JSTTI(const JSTargetMachine *TM, Function &F)
-    : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
-  // Provide value semantics. MSVC requires that we spell all of these out.
-  JSTTI(const JSTTI &Arg)
-      : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
-  JSTTI(JSTTI &&Arg)
-      : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
-        TLI(std::move(Arg.TLI)) {}
-  JSTTI &operator=(const JSTTI &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  JSTTI &operator=(JSTTI &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
-
-
-  TTI::PopcntSupportKind getPopcntSupport(unsigned IntTyWidthInBit);
-
-  unsigned getRegisterBitWidth(bool Vector) const;
-
-  unsigned getArithmeticInstrCost(
-      unsigned Opcode, Type *Ty,
-      TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
-      TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
-      TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
-      TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
-
-  unsigned getVectorInstrCost(unsigned Opcode, Type *Val,
-                              unsigned Index = -1);
-
-  void getUnrollingPreferences(Loop *L,
-                               TTI::UnrollingPreferences &UP) const;
-};
-
-} // end namespace llvm
-#endif