//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "mips-isel"
#include "Mips16ISelDAGToDAG.h"
-#include "Mips.h"
#include "MCTargetDesc/MipsBaseInfo.h"
+#include "Mips.h"
#include "MipsAnalyzeImmediate.h"
#include "MipsMachineFunction.h"
#include "MipsRegisterInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/IR/CFG.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Type.h"
-#include "llvm/Support/CFG.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
+#define DEBUG_TYPE "mips-isel"
+
+bool Mips16DAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
+ if (!Subtarget.inMips16Mode())
+ return false;
+ return MipsDAGToDAGISel::runOnMachineFunction(MF);
+}
/// Select multiply instructions.
std::pair<SDNode*, SDNode*>
-Mips16DAGToDAGISel::SelectMULT(SDNode *N, unsigned Opc, DebugLoc dl, EVT Ty,
+Mips16DAGToDAGISel::selectMULT(SDNode *N, unsigned Opc, SDLoc DL, EVT Ty,
bool HasLo, bool HasHi) {
- SDNode *Lo = 0, *Hi = 0;
- SDNode *Mul = CurDAG->getMachineNode(Opc, dl, MVT::Glue, N->getOperand(0),
+ SDNode *Lo = nullptr, *Hi = nullptr;
+ SDNode *Mul = CurDAG->getMachineNode(Opc, DL, MVT::Glue, N->getOperand(0),
N->getOperand(1));
SDValue InFlag = SDValue(Mul, 0);
if (HasLo) {
unsigned Opcode = Mips::Mflo16;
- Lo = CurDAG->getMachineNode(Opcode, dl, Ty, MVT::Glue, InFlag);
+ Lo = CurDAG->getMachineNode(Opcode, DL, Ty, MVT::Glue, InFlag);
InFlag = SDValue(Lo, 1);
}
if (HasHi) {
unsigned Opcode = Mips::Mfhi16;
- Hi = CurDAG->getMachineNode(Opcode, dl, Ty, InFlag);
+ Hi = CurDAG->getMachineNode(Opcode, DL, Ty, InFlag);
}
return std::make_pair(Lo, Hi);
}
-void Mips16DAGToDAGISel::InitGlobalBaseReg(MachineFunction &MF) {
+void Mips16DAGToDAGISel::initGlobalBaseReg(MachineFunction &MF) {
MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
if (!MipsFI->globalBaseRegSet())
V1 = RegInfo.createVirtualRegister(RC);
V2 = RegInfo.createVirtualRegister(RC);
- BuildMI(MBB, I, DL, TII.get(Mips::LiRxImmX16), V0)
- .addExternalSymbol("_gp_disp", MipsII::MO_ABS_HI);
- BuildMI(MBB, I, DL, TII.get(Mips::AddiuRxPcImmX16), V1)
- .addExternalSymbol("_gp_disp", MipsII::MO_ABS_LO);
+ BuildMI(MBB, I, DL, TII.get(Mips::GotPrologue16), V0).
+ addReg(V1, RegState::Define).
+ addExternalSymbol("_gp_disp", MipsII::MO_ABS_HI).
+ addExternalSymbol("_gp_disp", MipsII::MO_ABS_LO);
+
BuildMI(MBB, I, DL, TII.get(Mips::SllX16), V2).addReg(V0).addImm(16);
BuildMI(MBB, I, DL, TII.get(Mips::AdduRxRyRz16), GlobalBaseReg)
.addReg(V1).addReg(V2);
// Insert instructions to initialize the Mips16 SP Alias register in the
// first MBB of the function.
//
-void Mips16DAGToDAGISel::InitMips16SPAliasReg(MachineFunction &MF) {
+void Mips16DAGToDAGISel::initMips16SPAliasReg(MachineFunction &MF) {
MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
if (!MipsFI->mips16SPAliasRegSet())
.addReg(Mips::SP);
}
-void Mips16DAGToDAGISel::ProcessFunctionAfterISel(MachineFunction &MF) {
- InitGlobalBaseReg(MF);
- InitMips16SPAliasReg(MF);
+void Mips16DAGToDAGISel::processFunctionAfterISel(MachineFunction &MF) {
+ initGlobalBaseReg(MF);
+ initMips16SPAliasReg(MF);
}
/// getMips16SPAliasReg - Output the instructions required to put the
SDValue Mips16DAGToDAGISel::getMips16SPAliasReg() {
unsigned Mips16SPAliasReg =
MF->getInfo<MipsFunctionInfo>()->getMips16SPAliasReg();
- return CurDAG->getRegister(Mips16SPAliasReg, TLI.getPointerTy());
+ return CurDAG->getRegister(Mips16SPAliasReg,
+ getTargetLowering()->getPointerTy());
}
void Mips16DAGToDAGISel::getMips16SPRefReg(SDNode *Parent, SDValue &AliasReg) {
- SDValue AliasFPReg = CurDAG->getRegister(Mips::S0, TLI.getPointerTy());
+ SDValue AliasFPReg = CurDAG->getRegister(Mips::S0,
+ getTargetLowering()->getPointerTy());
if (Parent) {
switch (Parent->getOpcode()) {
case ISD::LOAD: {
}
}
}
- AliasReg = CurDAG->getRegister(Mips::SP, TLI.getPointerTy());
+ AliasReg = CurDAG->getRegister(Mips::SP, getTargetLowering()->getPointerTy());
return;
}
-bool Mips16DAGToDAGISel::SelectAddr16(
+bool Mips16DAGToDAGISel::selectAddr16(
SDNode *Parent, SDValue Addr, SDValue &Base, SDValue &Offset,
SDValue &Alias) {
EVT ValTy = Addr.getValueType();
// If an indexed floating point load/store can be emitted, return false.
const LSBaseSDNode *LS = dyn_cast<LSBaseSDNode>(Parent);
- if (LS &&
- (LS->getMemoryVT() == MVT::f32 || LS->getMemoryVT() == MVT::f64) &&
- Subtarget.hasFPIdx())
- return false;
+ if (LS) {
+ if (LS->getMemoryVT() == MVT::f32 && Subtarget.hasMips4_32r2())
+ return false;
+ if (LS->getMemoryVT() == MVT::f64 && Subtarget.hasMips4_32r2())
+ return false;
+ }
}
Base = Addr;
Offset = CurDAG->getTargetConstant(0, ValTy);
/// Select instructions not customized! Used for
/// expanded, promoted and normal instructions
-std::pair<bool, SDNode*> Mips16DAGToDAGISel::SelectNode(SDNode *Node) {
+std::pair<bool, SDNode*> Mips16DAGToDAGISel::selectNode(SDNode *Node) {
unsigned Opcode = Node->getOpcode();
- DebugLoc dl = Node->getDebugLoc();
+ SDLoc DL(Node);
///
// Instruction Selection not handled by the auto-generated
EVT VT = LHS.getValueType();
unsigned Sltu_op = Mips::SltuRxRyRz16;
- SDNode *Carry = CurDAG->getMachineNode(Sltu_op, dl, VT, Ops, 2);
+ SDNode *Carry = CurDAG->getMachineNode(Sltu_op, DL, VT, Ops);
unsigned Addu_op = Mips::AdduRxRyRz16;
- SDNode *AddCarry = CurDAG->getMachineNode(Addu_op, dl, VT,
+ SDNode *AddCarry = CurDAG->getMachineNode(Addu_op, DL, VT,
SDValue(Carry,0), RHS);
SDNode *Result = CurDAG->SelectNodeTo(Node, MOp, VT, MVT::Glue, LHS,
case ISD::SMUL_LOHI:
case ISD::UMUL_LOHI: {
MultOpc = (Opcode == ISD::UMUL_LOHI ? Mips::MultuRxRy16 : Mips::MultRxRy16);
- std::pair<SDNode*, SDNode*> LoHi = SelectMULT(Node, MultOpc, dl, NodeTy,
+ std::pair<SDNode*, SDNode*> LoHi = selectMULT(Node, MultOpc, DL, NodeTy,
true, true);
if (!SDValue(Node, 0).use_empty())
ReplaceUses(SDValue(Node, 0), SDValue(LoHi.first, 0));
if (!SDValue(Node, 1).use_empty())
ReplaceUses(SDValue(Node, 1), SDValue(LoHi.second, 0));
- return std::make_pair(true, (SDNode*)NULL);
+ return std::make_pair(true, nullptr);
}
case ISD::MULHS:
case ISD::MULHU: {
MultOpc = (Opcode == ISD::MULHU ? Mips::MultuRxRy16 : Mips::MultRxRy16);
- SDNode *Result = SelectMULT(Node, MultOpc, dl, NodeTy, false, true).second;
+ SDNode *Result = selectMULT(Node, MultOpc, DL, NodeTy, false, true).second;
return std::make_pair(true, Result);
}
}
- return std::make_pair(false, (SDNode*)NULL);
+ return std::make_pair(false, nullptr);
}
FunctionPass *llvm::createMips16ISelDag(MipsTargetMachine &TM) {