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-rw-r--r--include/llvm/Target/MRegisterInfo.h12
-rw-r--r--lib/Target/ARM/ARMRegisterInfo.cpp4
-rw-r--r--lib/Target/ARM/ARMRegisterInfo.h4
-rw-r--r--lib/Target/Alpha/AlphaRegisterInfo.cpp4
-rw-r--r--lib/Target/Alpha/AlphaRegisterInfo.h4
-rw-r--r--lib/Target/IA64/IA64RegisterInfo.cpp4
-rw-r--r--lib/Target/IA64/IA64RegisterInfo.h4
-rw-r--r--lib/Target/Mips/MipsRegisterInfo.cpp4
-rw-r--r--lib/Target/Mips/MipsRegisterInfo.h4
-rw-r--r--lib/Target/PowerPC/PPCRegisterInfo.cpp4
-rw-r--r--lib/Target/PowerPC/PPCRegisterInfo.h4
-rw-r--r--lib/Target/Sparc/SparcRegisterInfo.cpp4
-rw-r--r--lib/Target/Sparc/SparcRegisterInfo.h4
-rw-r--r--lib/Target/X86/X86RegisterInfo.cpp18
-rw-r--r--lib/Target/X86/X86RegisterInfo.h10
15 files changed, 58 insertions, 30 deletions
diff --git a/include/llvm/Target/MRegisterInfo.h b/include/llvm/Target/MRegisterInfo.h
index 12b022e0f9..dd24f37fe5 100644
--- a/include/llvm/Target/MRegisterInfo.h
+++ b/include/llvm/Target/MRegisterInfo.h
@@ -508,7 +508,7 @@ public:
const TargetRegisterClass *RC) const = 0;
virtual void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const = 0;
@@ -518,7 +518,7 @@ public:
const TargetRegisterClass *RC) const = 0;
virtual void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const =0;
@@ -577,6 +577,14 @@ public:
return false;
}
+ /// getOpcodeAfterMemoryUnfold - Returns the opcode of the would be new
+ /// instruction after load / store are unfolded from the specified opcode.
+ /// It returns zero if the specified unfolding is impossible.
+ virtual unsigned getOpcodeAfterMemoryUnfold(unsigned Opc,
+ bool UnfoldLoad, bool UnfoldStore) const {
+ return 0;
+ }
+
/// targetHandlesStackFrameRounding - Returns true if the target is
/// responsible for rounding up the stack frame (probably at emitPrologue
/// time).
diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp
index c448467328..e97d6d2788 100644
--- a/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -183,7 +183,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void ARMRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@@ -239,7 +239,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void ARMRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
diff --git a/lib/Target/ARM/ARMRegisterInfo.h b/lib/Target/ARM/ARMRegisterInfo.h
index 26602527b2..e0a2493d77 100644
--- a/lib/Target/ARM/ARMRegisterInfo.h
+++ b/lib/Target/ARM/ARMRegisterInfo.h
@@ -52,7 +52,7 @@ public:
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -62,7 +62,7 @@ public:
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index b62f9095c7..6dac374ff2 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -83,7 +83,7 @@ AlphaRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void AlphaRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@@ -128,7 +128,7 @@ AlphaRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void AlphaRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.h b/lib/Target/Alpha/AlphaRegisterInfo.h
index 467178de2b..8cccacfcea 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.h
+++ b/lib/Target/Alpha/AlphaRegisterInfo.h
@@ -34,7 +34,7 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -44,7 +44,7 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
diff --git a/lib/Target/IA64/IA64RegisterInfo.cpp b/lib/Target/IA64/IA64RegisterInfo.cpp
index c826d4c317..b260b1b97f 100644
--- a/lib/Target/IA64/IA64RegisterInfo.cpp
+++ b/lib/Target/IA64/IA64RegisterInfo.cpp
@@ -61,7 +61,7 @@ void IA64RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void IA64RegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@@ -113,7 +113,7 @@ void IA64RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void IA64RegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
diff --git a/lib/Target/IA64/IA64RegisterInfo.h b/lib/Target/IA64/IA64RegisterInfo.h
index 3fcd213de1..b69b2854b9 100644
--- a/lib/Target/IA64/IA64RegisterInfo.h
+++ b/lib/Target/IA64/IA64RegisterInfo.h
@@ -35,7 +35,7 @@ struct IA64RegisterInfo : public IA64GenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -45,7 +45,7 @@ struct IA64RegisterInfo : public IA64GenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index 8fd311196f..cd61fe8830 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -96,7 +96,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void MipsRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (RC != Mips::CPURegsRegisterClass)
@@ -128,7 +128,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void MipsRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (RC != Mips::CPURegsRegisterClass)
diff --git a/lib/Target/Mips/MipsRegisterInfo.h b/lib/Target/Mips/MipsRegisterInfo.h
index 75ae423391..9afc3b5dba 100644
--- a/lib/Target/Mips/MipsRegisterInfo.h
+++ b/lib/Target/Mips/MipsRegisterInfo.h
@@ -38,7 +38,7 @@ struct MipsRegisterInfo : public MipsGenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -48,7 +48,7 @@ struct MipsRegisterInfo : public MipsGenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 122a8d3d3a..421c0b11e7 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -182,7 +182,7 @@ PPCRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void PPCRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (Addr[0].isFrameIndex()) {
@@ -291,7 +291,7 @@ PPCRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void PPCRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (Addr[0].isFrameIndex()) {
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.h b/lib/Target/PowerPC/PPCRegisterInfo.h
index b3f49d116a..6b2a2cb19d 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.h
+++ b/lib/Target/PowerPC/PPCRegisterInfo.h
@@ -41,7 +41,7 @@ public:
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -51,7 +51,7 @@ public:
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
diff --git a/lib/Target/Sparc/SparcRegisterInfo.cpp b/lib/Target/Sparc/SparcRegisterInfo.cpp
index 3055bf9dfe..2402de6542 100644
--- a/lib/Target/Sparc/SparcRegisterInfo.cpp
+++ b/lib/Target/Sparc/SparcRegisterInfo.cpp
@@ -49,7 +49,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void SparcRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@@ -91,7 +91,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void SparcRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
diff --git a/lib/Target/Sparc/SparcRegisterInfo.h b/lib/Target/Sparc/SparcRegisterInfo.h
index 15a624f263..0139910072 100644
--- a/lib/Target/Sparc/SparcRegisterInfo.h
+++ b/lib/Target/Sparc/SparcRegisterInfo.h
@@ -36,7 +36,7 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -46,7 +46,7 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 7788088685..e88c050feb 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -806,7 +806,7 @@ void X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void X86RegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = getStoreRegOpcode(RC);
@@ -862,7 +862,7 @@ void X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void X86RegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = getLoadRegOpcode(RC);
@@ -1273,6 +1273,20 @@ X86RegisterInfo::unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
return true;
}
+unsigned X86RegisterInfo::getOpcodeAfterMemoryUnfold(unsigned Opc,
+ bool UnfoldLoad, bool UnfoldStore) const {
+ DenseMap<unsigned*, std::pair<unsigned,unsigned> >::iterator I =
+ MemOp2RegOpTable.find((unsigned*)Opc);
+ if (I == MemOp2RegOpTable.end())
+ return 0;
+ bool HasLoad = I->second.second & (1 << 4);
+ bool HasStore = I->second.second & (1 << 5);
+ if (UnfoldLoad && !HasLoad)
+ return 0;
+ if (UnfoldStore && !HasStore)
+ return 0;
+ return I->second.first;
+}
const unsigned *
X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
diff --git a/lib/Target/X86/X86RegisterInfo.h b/lib/Target/X86/X86RegisterInfo.h
index 76045476c2..c21868c626 100644
--- a/lib/Target/X86/X86RegisterInfo.h
+++ b/lib/Target/X86/X86RegisterInfo.h
@@ -89,7 +89,7 @@ public:
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -99,7 +99,7 @@ public:
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> Addr,
+ SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@@ -142,6 +142,12 @@ public:
bool unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
SmallVectorImpl<SDNode*> &NewNodes) const;
+ /// getOpcodeAfterMemoryUnfold - Returns the opcode of the would be new
+ /// instruction after load / store are unfolded from the specified opcode.
+ /// It returns zero if the specified unfolding is impossible.
+ unsigned getOpcodeAfterMemoryUnfold(unsigned Opc,
+ bool UnfoldLoad, bool UnfoldStore) const;
+
/// getCalleeSavedRegs - Return a null-terminated list of all of the
/// callee-save registers on this target.
const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-06-25 19:38:26 +0000