#define DEBUG_TYPE "instr-emitter"
#include "InstrEmitter.h"
#include "SDNodeDbgValue.h"
+#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/ADT/Statistic.h"
+#include "llvm/DataLayout.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetMachine.h"
using namespace llvm;
/// MinRCSize - Smallest register class we allow when constraining virtual
///
/// Also count physreg RegisterSDNode and RegisterMaskSDNode operands preceding
/// the chain and glue. These operands may be implicit on the machine instr.
-static unsigned countOperands(SDNode *Node, unsigned &NumImpUses) {
+static unsigned countOperands(SDNode *Node, unsigned NumExpUses,
+ unsigned &NumImpUses) {
unsigned N = Node->getNumOperands();
while (N && Node->getOperand(N - 1).getValueType() == MVT::Glue)
--N;
--N; // Ignore chain if it exists.
// Count RegisterSDNode and RegisterMaskSDNode operands for NumImpUses.
- for (unsigned I = N; I; --I) {
+ NumImpUses = N - NumExpUses;
+ for (unsigned I = N; I > NumExpUses; --I) {
if (isa<RegisterMaskSDNode>(Node->getOperand(I - 1)))
continue;
if (RegisterSDNode *RN = dyn_cast<RegisterSDNode>(Node->getOperand(I - 1)))
const TargetRegisterClass *DstRC = 0;
if (IIOpNum < II->getNumOperands())
DstRC = TRI->getAllocatableClass(TII->getRegClass(*II,IIOpNum,TRI,*MF));
- assert((DstRC || (MI->isVariadic() && IIOpNum >= MCID.getNumOperands())) &&
- "Don't have operand info for this instruction!");
if (DstRC && !MRI->constrainRegClass(VReg, DstRC, MinRCSize)) {
unsigned NewVReg = MRI->createVirtualRegister(DstRC);
BuildMI(*MBB, InsertPos, Op.getNode()->getDebugLoc(),
Type *Type = CP->getType();
// MachineConstantPool wants an explicit alignment.
if (Align == 0) {
- Align = TM->getTargetData()->getPrefTypeAlignment(Type);
+ Align = TM->getDataLayout()->getPrefTypeAlignment(Type);
if (Align == 0) {
// Alignment of vector types. FIXME!
- Align = TM->getTargetData()->getTypeAllocSize(Type);
+ Align = TM->getDataLayout()->getTypeAllocSize(Type);
}
}
ES->getTargetFlags()));
} else if (BlockAddressSDNode *BA = dyn_cast<BlockAddressSDNode>(Op)) {
MI->addOperand(MachineOperand::CreateBA(BA->getBlockAddress(),
+ BA->getOffset(),
BA->getTargetFlags()));
} else if (TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(Op)) {
MI->addOperand(MachineOperand::CreateTargetIndex(TI->getIndex(),
const MCInstrDesc &II = TII->get(Opc);
unsigned NumResults = CountResults(Node);
unsigned NumImpUses = 0;
- unsigned NodeOperands = countOperands(Node, NumImpUses);
+ unsigned NodeOperands =
+ countOperands(Node, II.getNumOperands() - II.getNumDefs(), NumImpUses);
bool HasPhysRegOuts = NumResults > II.getNumDefs() && II.getImplicitDefs()!=0;
#ifndef NDEBUG
unsigned NumMIOperands = NodeOperands + NumResults;
break;
}
+ case ISD::LIFETIME_START:
+ case ISD::LIFETIME_END: {
+ unsigned TarOp = (Node->getOpcode() == ISD::LIFETIME_START) ?
+ TargetOpcode::LIFETIME_START : TargetOpcode::LIFETIME_END;
+
+ FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Node->getOperand(1));
+ BuildMI(*MBB, InsertPos, Node->getDebugLoc(), TII->get(TarOp))
+ .addFrameIndex(FI->getIndex());
+ break;
+ }
+
case ISD::INLINEASM: {
unsigned NumOps = Node->getNumOperands();
if (Node->getOperand(NumOps-1).getValueType() == MVT::Glue)
const char *AsmStr = cast<ExternalSymbolSDNode>(AsmStrV)->getSymbol();
MI->addOperand(MachineOperand::CreateES(AsmStr));
- // Add the HasSideEffect and isAlignStack bits.
+ // Add the HasSideEffect, isAlignStack, AsmDialect, MayLoad and MayStore
+ // bits.
int64_t ExtraInfo =
cast<ConstantSDNode>(Node->getOperand(InlineAsm::Op_ExtraInfo))->
getZExtValue();
MI->addOperand(MachineOperand::CreateImm(ExtraInfo));
+ // Remember to operand index of the group flags.
+ SmallVector<unsigned, 8> GroupIdx;
+
// Add all of the operand registers to the instruction.
for (unsigned i = InlineAsm::Op_FirstOperand; i != NumOps;) {
unsigned Flags =
cast<ConstantSDNode>(Node->getOperand(i))->getZExtValue();
- unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags);
+ const unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags);
+ GroupIdx.push_back(MI->getNumOperands());
MI->addOperand(MachineOperand::CreateImm(Flags));
++i; // Skip the ID value.
switch (InlineAsm::getKind(Flags)) {
default: llvm_unreachable("Bad flags!");
case InlineAsm::Kind_RegDef:
- for (; NumVals; --NumVals, ++i) {
+ for (unsigned j = 0; j != NumVals; ++j, ++i) {
unsigned Reg = cast<RegisterSDNode>(Node->getOperand(i))->getReg();
// FIXME: Add dead flags for physical and virtual registers defined.
// For now, mark physical register defs as implicit to help fast
break;
case InlineAsm::Kind_RegDefEarlyClobber:
case InlineAsm::Kind_Clobber:
- for (; NumVals; --NumVals, ++i) {
+ for (unsigned j = 0; j != NumVals; ++j, ++i) {
unsigned Reg = cast<RegisterSDNode>(Node->getOperand(i))->getReg();
MI->addOperand(MachineOperand::CreateReg(Reg, /*isDef=*/ true,
/*isImp=*/ TargetRegisterInfo::isPhysicalRegister(Reg),
case InlineAsm::Kind_Mem: // Addressing mode.
// The addressing mode has been selected, just add all of the
// operands to the machine instruction.
- for (; NumVals; --NumVals, ++i)
+ for (unsigned j = 0; j != NumVals; ++j, ++i)
AddOperand(MI, Node->getOperand(i), 0, 0, VRBaseMap,
/*IsDebug=*/false, IsClone, IsCloned);
+
+ // Manually set isTied bits.
+ if (InlineAsm::getKind(Flags) == InlineAsm::Kind_RegUse) {
+ unsigned DefGroup = 0;
+ if (InlineAsm::isUseOperandTiedToDef(Flags, DefGroup)) {
+ unsigned DefIdx = GroupIdx[DefGroup] + 1;
+ unsigned UseIdx = GroupIdx.back() + 1;
+ for (unsigned j = 0; j != NumVals; ++j)
+ MI->tieOperands(DefIdx + j, UseIdx + j);
+ }
+ }
break;
}
}
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