Remove the SystemZ backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142878 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/SystemZ/SystemZTargetMachine.cpp

@@ -1,40 +0,0 @@
-//===-- SystemZTargetMachine.cpp - Define TargetMachine for SystemZ -------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "SystemZTargetMachine.h"
-#include "SystemZ.h"
-#include "llvm/PassManager.h"
-#include "llvm/Support/TargetRegistry.h"
-using namespace llvm;
-
-extern "C" void LLVMInitializeSystemZTarget() {
-  // Register the target.
-  RegisterTargetMachine<SystemZTargetMachine> X(TheSystemZTarget);
-}
-
-/// SystemZTargetMachine ctor - Create an ILP64 architecture model
-///
-SystemZTargetMachine::SystemZTargetMachine(const Target &T,
-                                           StringRef TT, StringRef CPU,
-                                           StringRef FS, Reloc::Model RM,
-                                           CodeModel::Model CM)
-  : LLVMTargetMachine(T, TT, CPU, FS, RM, CM),
-    Subtarget(TT, CPU, FS),
-    DataLayout("E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
-               "-f64:64:64-f128:128:128-a0:16:16-n32:64"),
-    InstrInfo(*this), TLInfo(*this), TSInfo(*this),
-    FrameLowering(Subtarget) {
-}
-
-bool SystemZTargetMachine::addInstSelector(PassManagerBase &PM,
-                                          CodeGenOpt::Level OptLevel) {
-  // Install an instruction selector.
-  PM.add(createSystemZISelDag(*this, OptLevel));
-  return false;
-}