[llvm] r277126 - TargetInstrInfo: add virtual function getInstSizeInBytes
Sjoerd Meijer via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 29 01:16:17 PDT 2016
Author: sjoerdmeijer
Date: Fri Jul 29 03:16:16 2016
New Revision: 277126
URL: http://llvm.org/viewvc/llvm-project?rev=277126&view=rev
Log:
TargetInstrInfo: add virtual function getInstSizeInBytes
This adds a target hook getInstSizeInBytes to TargetInstrInfo that a lot of
subclasses already implement.
Differential Revision: https://reviews.llvm.org/D22885
Modified:
llvm/trunk/include/llvm/Target/TargetInstrInfo.h
llvm/trunk/lib/Target/AArch64/AArch64InstrInfo.h
llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h
llvm/trunk/lib/Target/AVR/AVRInstrInfo.h
llvm/trunk/lib/Target/MSP430/MSP430InstrInfo.h
llvm/trunk/lib/Target/Mips/MipsInstrInfo.h
llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.h
llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.cpp
llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.h
Modified: llvm/trunk/include/llvm/Target/TargetInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetInstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetInstrInfo.h (original)
+++ llvm/trunk/include/llvm/Target/TargetInstrInfo.h Fri Jul 29 03:16:16 2016
@@ -250,6 +250,12 @@ public:
unsigned &Size, unsigned &Offset,
const MachineFunction &MF) const;
+ /// Returns the size in bytes of the specified MachineInstr, or ~0U
+ /// when this function is not implemented by a target.
+ virtual unsigned getInstSizeInBytes(const MachineInstr &MI) const {
+ return ~0U;
+ }
+
/// Return true if the instruction is as cheap as a move instruction.
///
/// Targets for different archs need to override this, and different
Modified: llvm/trunk/lib/Target/AArch64/AArch64InstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64InstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64InstrInfo.h (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64InstrInfo.h Fri Jul 29 03:16:16 2016
@@ -39,7 +39,7 @@ public:
/// always be able to get register info as well (through this method).
const AArch64RegisterInfo &getRegisterInfo() const { return RI; }
- unsigned getInstSizeInBytes(const MachineInstr &MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
bool isAsCheapAsAMove(const MachineInstr &MI) const override;
Modified: llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h Fri Jul 29 03:16:16 2016
@@ -527,7 +527,7 @@ public:
return get(pseudoToMCOpcode(Opcode));
}
- unsigned getInstSizeInBytes(const MachineInstr &MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
ArrayRef<std::pair<int, const char *>>
getSerializableTargetIndices() const override;
Modified: llvm/trunk/lib/Target/AVR/AVRInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AVR/AVRInstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AVR/AVRInstrInfo.h (original)
+++ llvm/trunk/lib/Target/AVR/AVRInstrInfo.h Fri Jul 29 03:16:16 2016
@@ -70,7 +70,7 @@ public:
const MCInstrDesc &getBrCond(AVRCC::CondCodes CC) const;
AVRCC::CondCodes getCondFromBranchOpc(unsigned Opc) const;
AVRCC::CondCodes getOppositeCondition(AVRCC::CondCodes CC) const;
- unsigned getInstSizeInBytes(const MachineInstr *MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr *MI) const override;
void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
const DebugLoc &DL, unsigned DestReg, unsigned SrcReg,
Modified: llvm/trunk/lib/Target/MSP430/MSP430InstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MSP430/MSP430InstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/MSP430/MSP430InstrInfo.h (original)
+++ llvm/trunk/lib/Target/MSP430/MSP430InstrInfo.h Fri Jul 29 03:16:16 2016
@@ -68,7 +68,7 @@ public:
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const override;
- unsigned getInstSizeInBytes(const MachineInstr &MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
// Branch folding goodness
bool
Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.h Fri Jul 29 03:16:16 2016
@@ -92,7 +92,7 @@ public:
virtual unsigned getOppositeBranchOpc(unsigned Opc) const = 0;
/// Return the number of bytes of code the specified instruction may be.
- unsigned getInstSizeInBytes(const MachineInstr &MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.h (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.h Fri Jul 29 03:16:16 2016
@@ -256,7 +256,7 @@ public:
/// GetInstSize - Return the number of bytes of code the specified
/// instruction may be. This returns the maximum number of bytes.
///
- unsigned getInstSizeInBytes(const MachineInstr &MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
void getNoopForMachoTarget(MCInst &NopInst) const override;
Modified: llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.cpp?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.cpp Fri Jul 29 03:16:16 2016
@@ -1194,7 +1194,7 @@ bool SystemZInstrInfo::expandPostRAPseud
}
}
-uint64_t SystemZInstrInfo::getInstSizeInBytes(const MachineInstr &MI) const {
+unsigned SystemZInstrInfo::getInstSizeInBytes(const MachineInstr &MI) const {
if (MI.getOpcode() == TargetOpcode::INLINEASM) {
const MachineFunction *MF = MI.getParent()->getParent();
const char *AsmStr = MI.getOperand(0).getSymbolName();
Modified: llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.h?rev=277126&r1=277125&r2=277126&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.h (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.h Fri Jul 29 03:16:16 2016
@@ -219,7 +219,7 @@ public:
const SystemZRegisterInfo &getRegisterInfo() const { return RI; }
// Return the size in bytes of MI.
- uint64_t getInstSizeInBytes(const MachineInstr &MI) const;
+ unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
// Return true if MI is a conditional or unconditional branch.
// When returning true, set Cond to the mask of condition-code
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