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
LLVMInitializeSystemZTarget()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 ///
SystemZTargetMachine(const Target & T,StringRef TT,StringRef CPU,StringRef FS,Reloc::Model RM,CodeModel::Model CM)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
addInstSelector(PassManagerBase & PM,CodeGenOpt::Level OptLevel)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 }
41