lib/Target/SystemZ/SystemZTargetMachine.cpp

   1 //===-- SystemZTargetMachine.cpp - Define TargetMachine for SystemZ -------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "SystemZTargetMachine.h"
  11 #include "SystemZ.h"
  12 #include "llvm/PassManager.h"
  13 #include "llvm/Support/TargetRegistry.h"
  14 using namespace llvm;
  15
  16 extern "C" void LLVMInitializeSystemZTarget() {
  17   // Register the target.
  18   RegisterTargetMachine<SystemZTargetMachine> X(TheSystemZTarget);
  19 }
  20
  21 /// SystemZTargetMachine ctor - Create an ILP64 architecture model
  22 ///
  23 SystemZTargetMachine::SystemZTargetMachine(const Target &T,
  24                                            StringRef TT, StringRef CPU,
  25                                            StringRef FS, Reloc::Model RM,
  26                                            CodeModel::Model CM)
  27   : LLVMTargetMachine(T, TT, CPU, FS, RM, CM),
  28     Subtarget(TT, CPU, FS),
  29     DataLayout("E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
  30                "-f64:64:64-f128:128:128-a0:16:16-n32:64"),
  31     InstrInfo(*this), TLInfo(*this), TSInfo(*this),
  32     FrameLowering(Subtarget) {
  33 }
  34
  35 bool SystemZTargetMachine::addInstSelector(PassManagerBase &PM,
  36                                           CodeGenOpt::Level OptLevel) {
  37   // Install an instruction selector.
  38   PM.add(createSystemZISelDag(*this, OptLevel));
  39   return false;
  40 }