if (MachineBasicBlock *MBB = MI->getParent())
if (MachineFunction *MF = MBB->getParent()) {
RemoveRegOperandFromRegInfo();
- Contents.Reg.RegNo = Reg;
+ SmallContents.RegNo = Reg;
AddRegOperandToRegInfo(&MF->getRegInfo());
return;
}
// Otherwise, just change the register, no problem. :)
- Contents.Reg.RegNo = Reg;
+ SmallContents.RegNo = Reg;
}
void MachineOperand::substVirtReg(unsigned Reg, unsigned SubIdx,
} else {
// Otherwise, change this to a register and set the reg#.
OpKind = MO_Register;
- Contents.Reg.RegNo = Reg;
+ SmallContents.RegNo = Reg;
// If this operand is embedded in a function, add the operand to the
// register's use/def list.
}
MachineMemOperand::MachineMemOperand(MachinePointerInfo ptrinfo, unsigned f,
- uint64_t s, unsigned int a)
+ uint64_t s, unsigned int a,
+ const MDNode *TBAAInfo)
: PtrInfo(ptrinfo), Size(s),
- Flags((f & ((1 << MOMaxBits) - 1)) | ((Log2_32(a) + 1) << MOMaxBits)) {
+ Flags((f & ((1 << MOMaxBits) - 1)) | ((Log2_32(a) + 1) << MOMaxBits)),
+ TBAAInfo(TBAAInfo) {
assert((PtrInfo.V == 0 || isa<PointerType>(PtrInfo.V->getType())) &&
"invalid pointer value");
assert(getBaseAlignment() == a && "Alignment is not a power of 2!");
MMO.getBaseAlignment() != MMO.getSize())
OS << "(align=" << MMO.getAlignment() << ")";
+ // Print TBAA info.
+ if (const MDNode *TBAAInfo = MMO.getTBAAInfo()) {
+ OS << "(tbaa=";
+ if (TBAAInfo->getNumOperands() > 0)
+ WriteAsOperand(OS, TBAAInfo->getOperand(0), /*PrintType=*/false);
+ else
+ OS << "<unknown>";
+ OS << ")";
+ }
+
return OS;
}
if (PSV->isConstant(MFI))
continue;
// If we have an AliasAnalysis, ask it whether the memory is constant.
- if (AA && AA->pointsToConstantMemory(V))
+ if (AA && AA->pointsToConstantMemory(
+ AliasAnalysis::Location(V, (*I)->getSize(),
+ (*I)->getTBAAInfo())))
continue;
}
return true;
}
+/// copyImplicitOps - Copy implicit register operands from specified
+/// instruction to this instruction.
+void MachineInstr::copyImplicitOps(const MachineInstr *MI) {
+ for (unsigned i = MI->getDesc().getNumOperands(), e = MI->getNumOperands();
+ i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+ if (MO.isReg() && MO.isImplicit())
+ addOperand(MO);
+ }
+}
+
void MachineInstr::dump() const {
dbgs() << " " << *this;
}