| //===-- 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 "llvm/CodeGen/Passes.h" |
| #include "llvm/Support/TargetRegistry.h" |
| |
| using namespace llvm; |
| |
| extern "C" void LLVMInitializeSystemZTarget() { |
| // Register the target. |
| RegisterTargetMachine<SystemZTargetMachine> X(TheSystemZTarget); |
| } |
| |
| SystemZTargetMachine::SystemZTargetMachine(const Target &T, StringRef TT, |
| StringRef CPU, StringRef FS, |
| const TargetOptions &Options, |
| Reloc::Model RM, |
| CodeModel::Model CM, |
| CodeGenOpt::Level OL) |
| : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), |
| Subtarget(TT, CPU, FS), |
| // Make sure that global data has at least 16 bits of alignment by default, |
| // so that we can refer to it using LARL. We don't have any special |
| // requirements for stack variables though. |
| DL("E-p:64:64:64-i1:8:16-i8:8:16-i16:16-i32:32-i64:64" |
| "-f32:32-f64:64-f128:64-a0:8:16-n32:64"), |
| InstrInfo(*this), TLInfo(*this), TSInfo(*this), |
| FrameLowering(*this, Subtarget) { |
| } |
| |
| namespace { |
| /// SystemZ Code Generator Pass Configuration Options. |
| class SystemZPassConfig : public TargetPassConfig { |
| public: |
| SystemZPassConfig(SystemZTargetMachine *TM, PassManagerBase &PM) |
| : TargetPassConfig(TM, PM) {} |
| |
| SystemZTargetMachine &getSystemZTargetMachine() const { |
| return getTM<SystemZTargetMachine>(); |
| } |
| |
| virtual bool addInstSelector(); |
| }; |
| } // end anonymous namespace |
| |
| bool SystemZPassConfig::addInstSelector() { |
| addPass(createSystemZISelDag(getSystemZTargetMachine(), getOptLevel())); |
| return false; |
| } |
| |
| TargetPassConfig *SystemZTargetMachine::createPassConfig(PassManagerBase &PM) { |
| return new SystemZPassConfig(this, PM); |
| } |