Move callee-saved regs spills / reloads to TFI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120228 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index cb9c112..22fed76 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -197,128 +197,6 @@
return NewMIs[0];
}
-void
-ARMBaseInstrInfo::emitPushInst(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
- bool(*Func)(unsigned, bool)) const {
- MachineFunction &MF = *MBB.getParent();
- DebugLoc DL;
- if (MI != MBB.end()) DL = MI->getDebugLoc();
-
- MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc));
- MIB.addReg(ARM::SP, getDefRegState(true));
- MIB.addReg(ARM::SP);
- AddDefaultPred(MIB);
- bool NumRegs = false;
- for (unsigned i = CSI.size(); i != 0; --i) {
- unsigned Reg = CSI[i-1].getReg();
- if (!(Func)(Reg, Subtarget.isTargetDarwin())) continue;
-
- // Add the callee-saved register as live-in unless it's LR and
- // @llvm.returnaddress is called. If LR is returned for @llvm.returnaddress
- // then it's already added to the function and entry block live-in sets.
- bool isKill = true;
- if (Reg == ARM::LR) {
- if (MF.getFrameInfo()->isReturnAddressTaken() &&
- MF.getRegInfo().isLiveIn(Reg))
- isKill = false;
- }
-
- if (isKill)
- MBB.addLiveIn(Reg);
-
- NumRegs = true;
- MIB.addReg(Reg, getKillRegState(isKill));
- }
-
- // It's illegal to emit push instruction without operands.
- if (NumRegs)
- MBB.insert(MI, &*MIB);
- else
- MF.DeleteMachineInstr(MIB);
-}
-
-bool
-ARMBaseInstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const {
- if (CSI.empty())
- return false;
-
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- DebugLoc DL = MI->getDebugLoc();
-
- unsigned PushOpc = AFI->isThumbFunction() ? ARM::t2STMDB_UPD : ARM::STMDB_UPD;
- unsigned FltOpc = ARM::VSTMDDB_UPD;
- emitPushInst(MBB, MI, CSI, PushOpc, &isARMArea1Register);
- emitPushInst(MBB, MI, CSI, PushOpc, &isARMArea2Register);
- emitPushInst(MBB, MI, CSI, FltOpc, &isARMArea3Register);
-
- return true;
-}
-
-void
-ARMBaseInstrInfo::emitPopInst(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
- bool isVarArg, bool(*Func)(unsigned, bool)) const {
-
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- DebugLoc DL = MI->getDebugLoc();
-
- MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc));
- MIB.addReg(ARM::SP, getDefRegState(true));
- MIB.addReg(ARM::SP);
- AddDefaultPred(MIB);
- bool NumRegs = false;
- for (unsigned i = CSI.size(); i != 0; --i) {
- unsigned Reg = CSI[i-1].getReg();
- if (!(Func)(Reg, Subtarget.isTargetDarwin())) continue;
-
- if (Reg == ARM::LR && !isVarArg) {
- Reg = ARM::PC;
- unsigned Opc = AFI->isThumbFunction() ? ARM::t2LDMIA_RET : ARM::LDMIA_RET;
- (*MIB).setDesc(get(Opc));
- MI = MBB.erase(MI);
- }
-
- MIB.addReg(Reg, RegState::Define);
- NumRegs = true;
- }
-
- // It's illegal to emit pop instruction without operands.
- if (NumRegs)
- MBB.insert(MI, &*MIB);
- else
- MF.DeleteMachineInstr(MIB);
-}
-
-bool
-ARMBaseInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const {
- if (CSI.empty())
- return false;
-
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
- DebugLoc DL = MI->getDebugLoc();
-
- unsigned PopOpc = AFI->isThumbFunction() ? ARM::t2LDMIA_UPD : ARM::LDMIA_UPD;
- unsigned FltOpc = ARM::VLDMDIA_UPD;
- emitPopInst(MBB, MI, CSI, FltOpc, isVarArg, &isARMArea3Register);
- emitPopInst(MBB, MI, CSI, PopOpc, isVarArg, &isARMArea2Register);
- emitPopInst(MBB, MI, CSI, PopOpc, isVarArg, &isARMArea1Register);
-
- return true;
-}
-
// Branch analysis.
bool
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.h b/lib/Target/ARM/ARMBaseInstrInfo.h
index 5e7156c..2b0da99 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.h
+++ b/lib/Target/ARM/ARMBaseInstrInfo.h
@@ -206,25 +206,6 @@
virtual const ARMBaseRegisterInfo &getRegisterInfo() const =0;
const ARMSubtarget &getSubtarget() const { return Subtarget; }
- bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const;
-
- bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const;
-
-private:
- void emitPopInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
- bool isVarArg, bool(*Func)(unsigned, bool)) const;
- void emitPushInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
- bool(*Func)(unsigned, bool)) const;
-
-
public:
// Branch analysis.
virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
diff --git a/lib/Target/ARM/ARMFrameInfo.cpp b/lib/Target/ARM/ARMFrameInfo.cpp
index 62f3f98..d379bf0 100644
--- a/lib/Target/ARM/ARMFrameInfo.cpp
+++ b/lib/Target/ARM/ARMFrameInfo.cpp
@@ -174,10 +174,10 @@
DPRCSSize += 8;
}
}
-
+
// Move past area 1.
if (GPRCS1Size > 0) MBBI++;
-
+
// Set FP to point to the stack slot that contains the previous FP.
// For Darwin, FP is R7, which has now been stored in spill area 1.
// Otherwise, if this is not Darwin, all the callee-saved registers go
@@ -191,10 +191,10 @@
.addFrameIndex(FramePtrSpillFI).addImm(0);
AddDefaultCC(AddDefaultPred(MIB));
}
-
+
// Move past area 2.
if (GPRCS2Size > 0) MBBI++;
-
+
// Determine starting offsets of spill areas.
unsigned DPRCSOffset = NumBytes - (GPRCS1Size + GPRCS2Size + DPRCSSize);
unsigned GPRCS2Offset = DPRCSOffset + DPRCSSize;
@@ -208,7 +208,7 @@
// Move past area 3.
if (DPRCSSize > 0) MBBI++;
-
+
NumBytes = DPRCSOffset;
if (NumBytes) {
// Adjust SP after all the callee-save spills.
@@ -492,3 +492,125 @@
unsigned FrameReg;
return getFrameIndexReference(MF, FI, FrameReg);
}
+
+void ARMFrameInfo::emitPushInst(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ unsigned Opc,
+ bool(*Func)(unsigned, bool)) const {
+ MachineFunction &MF = *MBB.getParent();
+ const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+
+ DebugLoc DL;
+ if (MI != MBB.end()) DL = MI->getDebugLoc();
+
+ MachineInstrBuilder MIB = BuildMI(MF, DL, TII.get(Opc));
+ MIB.addReg(ARM::SP, getDefRegState(true));
+ MIB.addReg(ARM::SP);
+ AddDefaultPred(MIB);
+ bool NumRegs = false;
+ for (unsigned i = CSI.size(); i != 0; --i) {
+ unsigned Reg = CSI[i-1].getReg();
+ if (!(Func)(Reg, STI.isTargetDarwin())) continue;
+
+ // Add the callee-saved register as live-in unless it's LR and
+ // @llvm.returnaddress is called. If LR is returned for @llvm.returnaddress
+ // then it's already added to the function and entry block live-in sets.
+ bool isKill = true;
+ if (Reg == ARM::LR) {
+ if (MF.getFrameInfo()->isReturnAddressTaken() &&
+ MF.getRegInfo().isLiveIn(Reg))
+ isKill = false;
+ }
+
+ if (isKill)
+ MBB.addLiveIn(Reg);
+
+ NumRegs = true;
+ MIB.addReg(Reg, getKillRegState(isKill));
+ }
+
+ // It's illegal to emit push instruction without operands.
+ if (NumRegs)
+ MBB.insert(MI, &*MIB);
+ else
+ MF.DeleteMachineInstr(MIB);
+}
+
+bool ARMFrameInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const {
+ if (CSI.empty())
+ return false;
+
+ MachineFunction &MF = *MBB.getParent();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ DebugLoc DL = MI->getDebugLoc();
+
+ unsigned PushOpc = AFI->isThumbFunction() ? ARM::t2STMDB_UPD : ARM::STMDB_UPD;
+ unsigned FltOpc = ARM::VSTMDDB_UPD;
+ emitPushInst(MBB, MI, CSI, PushOpc, &isARMArea1Register);
+ emitPushInst(MBB, MI, CSI, PushOpc, &isARMArea2Register);
+ emitPushInst(MBB, MI, CSI, FltOpc, &isARMArea3Register);
+
+ return true;
+}
+
+void ARMFrameInfo::emitPopInst(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ unsigned Opc, bool isVarArg,
+ bool(*Func)(unsigned, bool)) const {
+ MachineFunction &MF = *MBB.getParent();
+ const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ DebugLoc DL = MI->getDebugLoc();
+
+ MachineInstrBuilder MIB = BuildMI(MF, DL, TII.get(Opc));
+ MIB.addReg(ARM::SP, getDefRegState(true));
+ MIB.addReg(ARM::SP);
+ AddDefaultPred(MIB);
+ bool NumRegs = false;
+ for (unsigned i = CSI.size(); i != 0; --i) {
+ unsigned Reg = CSI[i-1].getReg();
+ if (!(Func)(Reg, STI.isTargetDarwin())) continue;
+
+ if (Reg == ARM::LR && !isVarArg) {
+ Reg = ARM::PC;
+ unsigned Opc = AFI->isThumbFunction() ? ARM::t2LDMIA_RET : ARM::LDMIA_RET;
+ (*MIB).setDesc(TII.get(Opc));
+ MI = MBB.erase(MI);
+ }
+
+ MIB.addReg(Reg, RegState::Define);
+ NumRegs = true;
+ }
+
+ // It's illegal to emit pop instruction without operands.
+ if (NumRegs)
+ MBB.insert(MI, &*MIB);
+ else
+ MF.DeleteMachineInstr(MIB);
+}
+
+bool ARMFrameInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const {
+ if (CSI.empty())
+ return false;
+
+ MachineFunction &MF = *MBB.getParent();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
+ DebugLoc DL = MI->getDebugLoc();
+
+ unsigned PopOpc = AFI->isThumbFunction() ? ARM::t2LDMIA_UPD : ARM::LDMIA_UPD;
+ unsigned FltOpc = ARM::VLDMDIA_UPD;
+ emitPopInst(MBB, MI, CSI, FltOpc, isVarArg, &isARMArea3Register);
+ emitPopInst(MBB, MI, CSI, PopOpc, isVarArg, &isARMArea2Register);
+ emitPopInst(MBB, MI, CSI, PopOpc, isVarArg, &isARMArea1Register);
+
+ return true;
+}
diff --git a/lib/Target/ARM/ARMFrameInfo.h b/lib/Target/ARM/ARMFrameInfo.h
index 9ee7f1f..7b34c15 100644
--- a/lib/Target/ARM/ARMFrameInfo.h
+++ b/lib/Target/ARM/ARMFrameInfo.h
@@ -35,6 +35,16 @@
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+ bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
+ bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
bool hasFP(const MachineFunction &MF) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
bool canSimplifyCallFramePseudos(const MachineFunction &MF) const;
@@ -44,6 +54,13 @@
unsigned &FrameReg, int SPAdj) const;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
+ private:
+ void emitPopInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
+ bool isVarArg, bool(*Func)(unsigned, bool)) const;
+ void emitPushInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
+ bool(*Func)(unsigned, bool)) const;
};
} // End llvm namespace
diff --git a/lib/Target/ARM/Thumb1FrameInfo.cpp b/lib/Target/ARM/Thumb1FrameInfo.cpp
index bb1faf5..d92d83c 100644
--- a/lib/Target/ARM/Thumb1FrameInfo.cpp
+++ b/lib/Target/ARM/Thumb1FrameInfo.cpp
@@ -264,3 +264,82 @@
MBB.erase(MBBI);
}
}
+
+bool Thumb1FrameInfo::
+spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const {
+ if (CSI.empty())
+ return false;
+
+ DebugLoc DL;
+ MachineFunction &MF = *MBB.getParent();
+ const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+
+ if (MI != MBB.end()) DL = MI->getDebugLoc();
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MI, DL, TII.get(ARM::tPUSH));
+ AddDefaultPred(MIB);
+ for (unsigned i = CSI.size(); i != 0; --i) {
+ unsigned Reg = CSI[i-1].getReg();
+ bool isKill = true;
+
+ // Add the callee-saved register as live-in unless it's LR and
+ // @llvm.returnaddress is called. If LR is returned for @llvm.returnaddress
+ // then it's already added to the function and entry block live-in sets.
+ if (Reg == ARM::LR) {
+ MachineFunction &MF = *MBB.getParent();
+ if (MF.getFrameInfo()->isReturnAddressTaken() &&
+ MF.getRegInfo().isLiveIn(Reg))
+ isKill = false;
+ }
+
+ if (isKill)
+ MBB.addLiveIn(Reg);
+
+ MIB.addReg(Reg, getKillRegState(isKill));
+ }
+ return true;
+}
+
+bool Thumb1FrameInfo::
+restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const {
+ if (CSI.empty())
+ return false;
+
+ MachineFunction &MF = *MBB.getParent();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+
+ bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
+ DebugLoc DL = MI->getDebugLoc();
+ MachineInstrBuilder MIB = BuildMI(MF, DL, TII.get(ARM::tPOP));
+ AddDefaultPred(MIB);
+
+ bool NumRegs = false;
+ for (unsigned i = CSI.size(); i != 0; --i) {
+ unsigned Reg = CSI[i-1].getReg();
+ if (Reg == ARM::LR) {
+ // Special epilogue for vararg functions. See emitEpilogue
+ if (isVarArg)
+ continue;
+ Reg = ARM::PC;
+ (*MIB).setDesc(TII.get(ARM::tPOP_RET));
+ MI = MBB.erase(MI);
+ }
+ MIB.addReg(Reg, getDefRegState(true));
+ NumRegs = true;
+ }
+
+ // It's illegal to emit pop instruction without operands.
+ if (NumRegs)
+ MBB.insert(MI, &*MIB);
+ else
+ MF.DeleteMachineInstr(MIB);
+
+ return true;
+}
diff --git a/lib/Target/ARM/Thumb1FrameInfo.h b/lib/Target/ARM/Thumb1FrameInfo.h
index f2ecaf1..c51edec 100644
--- a/lib/Target/ARM/Thumb1FrameInfo.h
+++ b/lib/Target/ARM/Thumb1FrameInfo.h
@@ -35,6 +35,15 @@
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+ bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+ bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
bool hasReservedCallFrame(const MachineFunction &MF) const;
};
diff --git a/lib/Target/ARM/Thumb1InstrInfo.cpp b/lib/Target/ARM/Thumb1InstrInfo.cpp
index 7e20a0f..3fbb433 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb1InstrInfo.cpp
@@ -109,77 +109,3 @@
.addFrameIndex(FI).addImm(0).addMemOperand(MMO));
}
}
-
-bool Thumb1InstrInfo::
-spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const {
- if (CSI.empty())
- return false;
-
- DebugLoc DL;
- if (MI != MBB.end()) DL = MI->getDebugLoc();
-
- MachineInstrBuilder MIB = BuildMI(MBB, MI, DL, get(ARM::tPUSH));
- AddDefaultPred(MIB);
- for (unsigned i = CSI.size(); i != 0; --i) {
- unsigned Reg = CSI[i-1].getReg();
- bool isKill = true;
-
- // Add the callee-saved register as live-in unless it's LR and
- // @llvm.returnaddress is called. If LR is returned for @llvm.returnaddress
- // then it's already added to the function and entry block live-in sets.
- if (Reg == ARM::LR) {
- MachineFunction &MF = *MBB.getParent();
- if (MF.getFrameInfo()->isReturnAddressTaken() &&
- MF.getRegInfo().isLiveIn(Reg))
- isKill = false;
- }
-
- if (isKill)
- MBB.addLiveIn(Reg);
-
- MIB.addReg(Reg, getKillRegState(isKill));
- }
- return true;
-}
-
-bool Thumb1InstrInfo::
-restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const {
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- if (CSI.empty())
- return false;
-
- bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
- DebugLoc DL = MI->getDebugLoc();
- MachineInstrBuilder MIB = BuildMI(MF, DL, get(ARM::tPOP));
- AddDefaultPred(MIB);
-
- bool NumRegs = false;
- for (unsigned i = CSI.size(); i != 0; --i) {
- unsigned Reg = CSI[i-1].getReg();
- if (Reg == ARM::LR) {
- // Special epilogue for vararg functions. See emitEpilogue
- if (isVarArg)
- continue;
- Reg = ARM::PC;
- (*MIB).setDesc(get(ARM::tPOP_RET));
- MI = MBB.erase(MI);
- }
- MIB.addReg(Reg, getDefRegState(true));
- NumRegs = true;
- }
-
- // It's illegal to emit pop instruction without operands.
- if (NumRegs)
- MBB.insert(MI, &*MIB);
- else
- MF.DeleteMachineInstr(MIB);
-
- return true;
-}
diff --git a/lib/Target/ARM/Thumb1InstrInfo.h b/lib/Target/ARM/Thumb1InstrInfo.h
index eff439b..17ef2f7 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.h
+++ b/lib/Target/ARM/Thumb1InstrInfo.h
@@ -37,15 +37,6 @@
///
const Thumb1RegisterInfo &getRegisterInfo() const { return RI; }
- bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const;
- bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI,
- const TargetRegisterInfo *TRI) const;
-
void copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,