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-rw-r--r--lib/Target/ARM/ARMInstrInfo.cpp45
-rw-r--r--lib/Target/ARM/ARMInstrInfo.h6
-rw-r--r--lib/Target/ARM/ARMRegisterInfo.cpp44
-rw-r--r--lib/Target/ARM/ARMRegisterInfo.h8
-rw-r--r--lib/Target/IA64/IA64RegisterInfo.h6
-rw-r--r--lib/Target/X86/X86InstrInfo.cpp41
-rw-r--r--lib/Target/X86/X86InstrInfo.h9
-rw-r--r--lib/Target/X86/X86RegisterInfo.cpp33
-rw-r--r--lib/Target/X86/X86RegisterInfo.h10
9 files changed, 102 insertions, 100 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index ef92c3d223..b608d5f81e 100644
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -18,6 +18,7 @@
#include "ARMMachineFunctionInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/LiveVariables.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/Target/TargetAsmInfo.h"
@@ -598,6 +599,50 @@ void ARMInstrInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
return;
}
+bool ARMInstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const {
+ MachineFunction &MF = *MBB.getParent();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ if (!AFI->isThumbFunction() || CSI.empty())
+ return false;
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MI, get(ARM::tPUSH));
+ for (unsigned i = CSI.size(); i != 0; --i) {
+ unsigned Reg = CSI[i-1].getReg();
+ // Add the callee-saved register as live-in. It's killed at the spill.
+ MBB.addLiveIn(Reg);
+ MIB.addReg(Reg, false/*isDef*/,false/*isImp*/,true/*isKill*/);
+ }
+ return true;
+}
+
+bool ARMInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const {
+ MachineFunction &MF = *MBB.getParent();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ if (!AFI->isThumbFunction() || CSI.empty())
+ return false;
+
+ bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
+ MachineInstr *PopMI = new MachineInstr(get(ARM::tPOP));
+ MBB.insert(MI, PopMI);
+ 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;
+ PopMI->setInstrDescriptor(get(ARM::tPOP_RET));
+ MBB.erase(MI);
+ }
+ PopMI->addOperand(MachineOperand::CreateReg(Reg, true));
+ }
+ return true;
+}
+
bool ARMInstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
diff --git a/lib/Target/ARM/ARMInstrInfo.h b/lib/Target/ARM/ARMInstrInfo.h
index ff96b3d33f..a1cd821619 100644
--- a/lib/Target/ARM/ARMInstrInfo.h
+++ b/lib/Target/ARM/ARMInstrInfo.h
@@ -184,6 +184,12 @@ public:
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
+ virtual bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const;
+ virtual bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const;
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp
index 6054699089..b940052de9 100644
--- a/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -88,50 +88,6 @@ ARMRegisterInfo::ARMRegisterInfo(const TargetInstrInfo &tii,
FramePtr((STI.useThumbBacktraces() || STI.isThumb()) ? ARM::R7 : ARM::R11) {
}
-bool ARMRegisterInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const {
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- if (!AFI->isThumbFunction() || CSI.empty())
- return false;
-
- MachineInstrBuilder MIB = BuildMI(MBB, MI, TII.get(ARM::tPUSH));
- for (unsigned i = CSI.size(); i != 0; --i) {
- unsigned Reg = CSI[i-1].getReg();
- // Add the callee-saved register as live-in. It's killed at the spill.
- MBB.addLiveIn(Reg);
- MIB.addReg(Reg, false/*isDef*/,false/*isImp*/,true/*isKill*/);
- }
- return true;
-}
-
-bool ARMRegisterInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const {
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- if (!AFI->isThumbFunction() || CSI.empty())
- return false;
-
- bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
- MachineInstr *PopMI = new MachineInstr(TII.get(ARM::tPOP));
- MBB.insert(MI, PopMI);
- 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;
- PopMI->setInstrDescriptor(TII.get(ARM::tPOP_RET));
- MBB.erase(MI);
- }
- PopMI->addOperand(MachineOperand::CreateReg(Reg, true));
- }
- return true;
-}
-
static inline
const MachineInstrBuilder &AddDefaultPred(const MachineInstrBuilder &MIB) {
return MIB.addImm((int64_t)ARMCC::AL).addReg(0);
diff --git a/lib/Target/ARM/ARMRegisterInfo.h b/lib/Target/ARM/ARMRegisterInfo.h
index 1ee07436b9..8ca7a9d337 100644
--- a/lib/Target/ARM/ARMRegisterInfo.h
+++ b/lib/Target/ARM/ARMRegisterInfo.h
@@ -37,14 +37,6 @@ public:
static unsigned getRegisterNumbering(unsigned RegEnum);
/// Code Generation virtual methods...
- bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const;
-
- bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const;
-
void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
unsigned DestReg, const MachineInstr *Orig) const;
diff --git a/lib/Target/IA64/IA64RegisterInfo.h b/lib/Target/IA64/IA64RegisterInfo.h
index 0782e8a305..6e682e3eef 100644
--- a/lib/Target/IA64/IA64RegisterInfo.h
+++ b/lib/Target/IA64/IA64RegisterInfo.h
@@ -29,12 +29,6 @@ struct IA64RegisterInfo : public IA64GenRegisterInfo {
IA64RegisterInfo(const TargetInstrInfo &tii);
/// Code Generation virtual methods...
- void copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const;
-
void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
unsigned DestReg, const MachineInstr *Orig) const;
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 577b937490..3d876c2837 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -15,9 +15,11 @@
#include "X86.h"
#include "X86GenInstrInfo.inc"
#include "X86InstrBuilder.h"
+#include "X86MachineFunctionInfo.h"
#include "X86Subtarget.h"
#include "X86TargetMachine.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/LiveVariables.h"
@@ -962,6 +964,45 @@ void X86InstrInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
NewMIs.push_back(MIB);
}
+bool X86InstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const {
+ if (CSI.empty())
+ return false;
+
+ bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
+ unsigned SlotSize = is64Bit ? 8 : 4;
+
+ MachineFunction &MF = *MBB.getParent();
+ X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
+ X86FI->setCalleeSavedFrameSize(CSI.size() * SlotSize);
+
+ unsigned Opc = is64Bit ? X86::PUSH64r : X86::PUSH32r;
+ for (unsigned i = CSI.size(); i != 0; --i) {
+ unsigned Reg = CSI[i-1].getReg();
+ // Add the callee-saved register as live-in. It's killed at the spill.
+ MBB.addLiveIn(Reg);
+ BuildMI(MBB, MI, get(Opc)).addReg(Reg);
+ }
+ return true;
+}
+
+bool X86InstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const {
+ if (CSI.empty())
+ return false;
+
+ bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
+
+ unsigned Opc = is64Bit ? X86::POP64r : X86::POP32r;
+ for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
+ unsigned Reg = CSI[i].getReg();
+ BuildMI(MBB, MI, get(Opc), Reg);
+ }
+ return true;
+}
+
bool X86InstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 280d040c6a..d39b8659e1 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -296,6 +296,15 @@ public:
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
+
+ virtual bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const;
+
+ virtual bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI) const;
+
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index f86d5a00c5..49effcf016 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -741,39 +741,6 @@ unsigned X86RegisterInfo::getX86RegNum(unsigned RegNo) {
}
}
-bool X86RegisterInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const {
- if (CSI.empty())
- return false;
-
- MachineFunction &MF = *MBB.getParent();
- X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
- X86FI->setCalleeSavedFrameSize(CSI.size() * SlotSize);
- unsigned Opc = Is64Bit ? X86::PUSH64r : X86::PUSH32r;
- for (unsigned i = CSI.size(); i != 0; --i) {
- unsigned Reg = CSI[i-1].getReg();
- // Add the callee-saved register as live-in. It's killed at the spill.
- MBB.addLiveIn(Reg);
- BuildMI(MBB, MI, TII.get(Opc)).addReg(Reg);
- }
- return true;
-}
-
-bool X86RegisterInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const {
- if (CSI.empty())
- return false;
-
- unsigned Opc = Is64Bit ? X86::POP64r : X86::POP32r;
- for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
- unsigned Reg = CSI[i].getReg();
- BuildMI(MBB, MI, TII.get(Opc), Reg);
- }
- return true;
-}
-
static const MachineInstrBuilder &X86InstrAddOperand(MachineInstrBuilder &MIB,
MachineOperand &MO) {
if (MO.isRegister())
diff --git a/lib/Target/X86/X86RegisterInfo.h b/lib/Target/X86/X86RegisterInfo.h
index 0695b3fe61..de348d7d6b 100644
--- a/lib/Target/X86/X86RegisterInfo.h
+++ b/lib/Target/X86/X86RegisterInfo.h
@@ -92,15 +92,7 @@ public:
int getDwarfRegNum(unsigned RegNum, bool isEH) const;
/// Code Generation virtual methods...
- ///
- bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const;
-
- bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const;
-
+ ///
const TargetRegisterClass *
getCrossCopyRegClass(const TargetRegisterClass *RC) const;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-08-02 06:25:43 +0000