LLVM  6.0.0svn
Functions | Variables
SIInstrInfo.cpp File Reference

SI Implementation of TargetInstrInfo. More...

#include "SIInstrInfo.h"
#include "AMDGPU.h"
#include "AMDGPUSubtarget.h"
#include "GCNHazardRecognizer.h"
#include "SIDefines.h"
#include "SIMachineFunctionInfo.h"
#include "SIRegisterInfo.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineInstrBundle.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MachineValueType.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetMachine.h"
#include <cassert>
#include <cstdint>
#include <iterator>
#include <utility>
Include dependency graph for SIInstrInfo.cpp:

Go to the source code of this file.

Functions

static unsigned getNumOperandsNoGlue (SDNode *Node)
 
static SDValue findChainOperand (SDNode *Load)
 
static bool nodesHaveSameOperandValue (SDNode *N0, SDNode *N1, unsigned OpName)
 Returns true if both nodes have the same value for the given operand Op, or if both nodes do not have this operand. More...
 
static bool isStride64 (unsigned Opc)
 
static bool memOpsHaveSameBasePtr (const MachineInstr &MI1, unsigned BaseReg1, const MachineInstr &MI2, unsigned BaseReg2)
 
static void reportIllegalCopy (const SIInstrInfo *TII, MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, bool KillSrc)
 
static unsigned getSGPRSpillSaveOpcode (unsigned Size)
 
static unsigned getVGPRSpillSaveOpcode (unsigned Size)
 
static unsigned getSGPRSpillRestoreOpcode (unsigned Size)
 
static unsigned getVGPRSpillRestoreOpcode (unsigned Size)
 
static MachineInstrswapRegAndNonRegOperand (MachineInstr &MI, MachineOperand &RegOp, MachineOperand &NonRegOp)
 
static void preserveCondRegFlags (MachineOperand &CondReg, const MachineOperand &OrigCond)
 
static void removeModOperands (MachineInstr &MI)
 
static bool offsetsDoNotOverlap (int WidthA, int OffsetA, int WidthB, int OffsetB)
 
static int64_t getFoldableImm (const MachineOperand *MO)
 
static bool changesVGPRIndexingMode (const MachineInstr &MI)
 
static bool compareMachineOp (const MachineOperand &Op0, const MachineOperand &Op1)
 
static unsigned findImplicitSGPRRead (const MachineInstr &MI)
 
static bool shouldReadExec (const MachineInstr &MI)
 
static bool isSubRegOf (const SIRegisterInfo &TRI, const MachineOperand &SuperVec, const MachineOperand &SubReg)
 

Variables

static cl::opt< unsignedBranchOffsetBits ("amdgpu-s-branch-bits", cl::ReallyHidden, cl::init(16), cl::desc("Restrict range of branch instructions (DEBUG)"))
 

Detailed Description

SI Implementation of TargetInstrInfo.

Definition in file SIInstrInfo.cpp.

Function Documentation

◆ changesVGPRIndexingMode()

static bool changesVGPRIndexingMode ( const MachineInstr MI)
static

◆ compareMachineOp()

static bool compareMachineOp ( const MachineOperand Op0,
const MachineOperand Op1 
)
static

◆ findChainOperand()

static SDValue findChainOperand ( SDNode Load)
static

◆ findImplicitSGPRRead()

static unsigned findImplicitSGPRRead ( const MachineInstr MI)
static

◆ getFoldableImm()

static int64_t getFoldableImm ( const MachineOperand MO)
static

◆ getNumOperandsNoGlue()

static unsigned getNumOperandsNoGlue ( SDNode Node)
static

◆ getSGPRSpillRestoreOpcode()

static unsigned getSGPRSpillRestoreOpcode ( unsigned  Size)
static

Definition at line 899 of file SIInstrInfo.cpp.

References llvm_unreachable.

Referenced by llvm::SIInstrInfo::loadRegFromStackSlot().

◆ getSGPRSpillSaveOpcode()

static unsigned getSGPRSpillSaveOpcode ( unsigned  Size)
static

Definition at line 783 of file SIInstrInfo.cpp.

References llvm_unreachable.

Referenced by llvm::SIInstrInfo::storeRegToStackSlot().

◆ getVGPRSpillRestoreOpcode()

static unsigned getVGPRSpillRestoreOpcode ( unsigned  Size)
static

Definition at line 916 of file SIInstrInfo.cpp.

References llvm_unreachable.

Referenced by llvm::SIInstrInfo::loadRegFromStackSlot().

◆ getVGPRSpillSaveOpcode()

static unsigned getVGPRSpillSaveOpcode ( unsigned  Size)
static

Definition at line 800 of file SIInstrInfo.cpp.

References llvm_unreachable.

Referenced by llvm::SIInstrInfo::storeRegToStackSlot().

◆ isStride64()

static bool isStride64 ( unsigned  Opc)
static

Definition at line 239 of file SIInstrInfo.cpp.

Referenced by llvm::SIInstrInfo::getMemOpBaseRegImmOfs().

◆ isSubRegOf()

static bool isSubRegOf ( const SIRegisterInfo TRI,
const MachineOperand SuperVec,
const MachineOperand SubReg 
)
static

◆ memOpsHaveSameBasePtr()

static bool memOpsHaveSameBasePtr ( const MachineInstr MI1,
unsigned  BaseReg1,
const MachineInstr MI2,
unsigned  BaseReg2 
)
static

◆ nodesHaveSameOperandValue()

static bool nodesHaveSameOperandValue ( SDNode N0,
SDNode N1,
unsigned  OpName 
)
static

Returns true if both nodes have the same value for the given operand Op, or if both nodes do not have this operand.

Definition at line 94 of file SIInstrInfo.cpp.

References llvm::SDNode::getMachineOpcode(), llvm::AMDGPU::getNamedOperandIdx(), and llvm::SDNode::getOperand().

Referenced by llvm::SIInstrInfo::areLoadsFromSameBasePtr().

◆ offsetsDoNotOverlap()

static bool offsetsDoNotOverlap ( int  WidthA,
int  OffsetA,
int  WidthB,
int  OffsetB 
)
static

◆ preserveCondRegFlags()

static void preserveCondRegFlags ( MachineOperand CondReg,
const MachineOperand OrigCond 
)
static

◆ removeModOperands()

static void removeModOperands ( MachineInstr MI)
static

◆ reportIllegalCopy()

static void reportIllegalCopy ( const SIInstrInfo TII,
MachineBasicBlock MBB,
MachineBasicBlock::iterator  MI,
const DebugLoc DL,
unsigned  DestReg,
unsigned  SrcReg,
bool  KillSrc 
)
static

◆ shouldReadExec()

static bool shouldReadExec ( const MachineInstr MI)
static

◆ swapRegAndNonRegOperand()

static MachineInstr* swapRegAndNonRegOperand ( MachineInstr MI,
MachineOperand RegOp,
MachineOperand NonRegOp 
)
static

Variable Documentation

◆ BranchOffsetBits

cl::opt<unsigned> BranchOffsetBits("amdgpu-s-branch-bits", cl::ReallyHidden, cl::init(16), cl::desc("Restrict range of branch instructions (DEBUG)"))
static