diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp')
-rw-r--r-- | contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp b/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp deleted file mode 100644 index f8b1bc7..0000000 --- a/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp +++ /dev/null @@ -1,68 +0,0 @@ -//===---- ScheduleDAGEmit.cpp - Emit routines for the ScheduleDAG class ---===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This implements the Emit routines for the ScheduleDAG class, which creates -// MachineInstrs according to the computed schedule. -// -//===----------------------------------------------------------------------===// - -#define DEBUG_TYPE "pre-RA-sched" -#include "llvm/CodeGen/ScheduleDAG.h" -#include "llvm/CodeGen/MachineConstantPool.h" -#include "llvm/CodeGen/MachineFunction.h" -#include "llvm/CodeGen/MachineInstrBuilder.h" -#include "llvm/CodeGen/MachineRegisterInfo.h" -#include "llvm/Target/TargetData.h" -#include "llvm/Target/TargetMachine.h" -#include "llvm/Target/TargetInstrInfo.h" -#include "llvm/Target/TargetLowering.h" -#include "llvm/ADT/Statistic.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/Debug.h" -#include "llvm/Support/MathExtras.h" -using namespace llvm; - -void ScheduleDAG::EmitNoop() { - TII->insertNoop(*BB, InsertPos); -} - -void ScheduleDAG::EmitPhysRegCopy(SUnit *SU, - DenseMap<SUnit*, unsigned> &VRBaseMap) { - for (SUnit::const_pred_iterator I = SU->Preds.begin(), E = SU->Preds.end(); - I != E; ++I) { - if (I->isCtrl()) continue; // ignore chain preds - if (I->getSUnit()->CopyDstRC) { - // Copy to physical register. - DenseMap<SUnit*, unsigned>::iterator VRI = VRBaseMap.find(I->getSUnit()); - assert(VRI != VRBaseMap.end() && "Node emitted out of order - late"); - // Find the destination physical register. - unsigned Reg = 0; - for (SUnit::const_succ_iterator II = SU->Succs.begin(), - EE = SU->Succs.end(); II != EE; ++II) { - if (II->isCtrl()) continue; // ignore chain preds - if (II->getReg()) { - Reg = II->getReg(); - break; - } - } - BuildMI(*BB, InsertPos, DebugLoc(), TII->get(TargetOpcode::COPY), Reg) - .addReg(VRI->second); - } else { - // Copy from physical register. - assert(I->getReg() && "Unknown physical register!"); - unsigned VRBase = MRI.createVirtualRegister(SU->CopyDstRC); - bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase)).second; - (void)isNew; // Silence compiler warning. - assert(isNew && "Node emitted out of order - early"); - BuildMI(*BB, InsertPos, DebugLoc(), TII->get(TargetOpcode::COPY), VRBase) - .addReg(I->getReg()); - } - break; - } -} |