#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
-#include <queue>
-#include <set>
using namespace llvm;
namespace {
/// AlphaDAGToDAGISel - Alpha specific code to select Alpha machine
/// instructions for SelectionDAG operations.
class AlphaDAGToDAGISel : public SelectionDAGISel {
- AlphaTargetLowering AlphaLowering;
-
static const int64_t IMM_LOW = -32768;
static const int64_t IMM_HIGH = 32767;
static const int64_t IMM_MULT = 65536;
Result |= 1 << i;
if (((Constant >> 8*i) & 0xFF) == 0xFF) {
// If the entire byte is set, zapnot the byte.
- } else if (LHS.Val == 0) {
+ } else if (LHS.getNode() == 0) {
// Otherwise, if the mask was previously validated, we know its okay
// to zapnot this entire byte even though all the bits aren't set.
} else {
public:
explicit AlphaDAGToDAGISel(AlphaTargetMachine &TM)
- : SelectionDAGISel(AlphaLowering),
- AlphaLowering(*TM.getTargetLowering())
+ : SelectionDAGISel(TM)
{}
/// getI64Imm - Return a target constant with the specified value, of type
/// InstructionSelect - This callback is invoked by
/// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
- virtual void InstructionSelect(SelectionDAG &DAG);
+ virtual void InstructionSelect();
virtual const char *getPassName() const {
return "Alpha DAG->DAG Pattern Instruction Selection";
/// inline asm expressions.
virtual bool SelectInlineAsmMemoryOperand(const SDValue &Op,
char ConstraintCode,
- std::vector<SDValue> &OutOps,
- SelectionDAG &DAG) {
+ std::vector<SDValue> &OutOps) {
SDValue Op0;
switch (ConstraintCode) {
default: return true;
case 'm': // memory
Op0 = Op;
- AddToISelQueue(Op0);
break;
}
break;
}
assert(GP && "GOT PTR not in liveins");
+ // FIXME is there anywhere sensible to get a DebugLoc here?
return CurDAG->getCopyFromReg(CurDAG->getEntryNode(),
- GP, MVT::i64);
+ DebugLoc::getUnknownLoc(), GP, MVT::i64);
}
/// getRASaveReg - Grab the return address
break;
}
assert(RA && "RA PTR not in liveins");
+ // FIXME is there anywhere sensible to get a DebugLoc here?
return CurDAG->getCopyFromReg(CurDAG->getEntryNode(),
- RA, MVT::i64);
+ DebugLoc::getUnknownLoc(), RA, MVT::i64);
}
/// InstructionSelect - This callback is invoked by
/// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
-void AlphaDAGToDAGISel::InstructionSelect(SelectionDAG &DAG) {
+void AlphaDAGToDAGISel::InstructionSelect() {
DEBUG(BB->dump());
// Select target instructions for the DAG.
- DAG.setRoot(SelectRoot(DAG.getRoot()));
- DAG.RemoveDeadNodes();
+ SelectRoot(*CurDAG);
+ CurDAG->RemoveDeadNodes();
}
// Select - Convert the specified operand from a target-independent to a
// target-specific node if it hasn't already been changed.
SDNode *AlphaDAGToDAGISel::Select(SDValue Op) {
- SDNode *N = Op.Val;
+ SDNode *N = Op.getNode();
if (N->isMachineOpcode()) {
return NULL; // Already selected.
}
+ DebugLoc dl = N->getDebugLoc();
switch (N->getOpcode()) {
default: break;
SDValue N0 = Op.getOperand(0);
SDValue N1 = Op.getOperand(1);
SDValue N2 = Op.getOperand(2);
- AddToISelQueue(N0);
- AddToISelQueue(N1);
- AddToISelQueue(N2);
- Chain = CurDAG->getCopyToReg(Chain, Alpha::R24, N1,
+ Chain = CurDAG->getCopyToReg(Chain, dl, Alpha::R24, N1,
SDValue(0,0));
- Chain = CurDAG->getCopyToReg(Chain, Alpha::R25, N2,
+ Chain = CurDAG->getCopyToReg(Chain, dl, Alpha::R25, N2,
Chain.getValue(1));
- Chain = CurDAG->getCopyToReg(Chain, Alpha::R27, N0,
+ Chain = CurDAG->getCopyToReg(Chain, dl, Alpha::R27, N0,
Chain.getValue(1));
SDNode *CNode =
- CurDAG->getTargetNode(Alpha::JSRs, MVT::Other, MVT::Flag,
+ CurDAG->getTargetNode(Alpha::JSRs, dl, MVT::Other, MVT::Flag,
Chain, Chain.getValue(1));
- Chain = CurDAG->getCopyFromReg(Chain, Alpha::R27, MVT::i64,
+ Chain = CurDAG->getCopyFromReg(Chain, dl, Alpha::R27, MVT::i64,
SDValue(CNode, 1));
return CurDAG->SelectNodeTo(N, Alpha::BISr, MVT::i64, Chain, Chain);
}
case ISD::READCYCLECOUNTER: {
SDValue Chain = N->getOperand(0);
- AddToISelQueue(Chain); //Select chain
- return CurDAG->getTargetNode(Alpha::RPCC, MVT::i64, MVT::Other,
+ return CurDAG->getTargetNode(Alpha::RPCC, dl, MVT::i64, MVT::Other,
Chain);
}
case ISD::Constant: {
- uint64_t uval = cast<ConstantSDNode>(N)->getValue();
+ uint64_t uval = cast<ConstantSDNode>(N)->getZExtValue();
if (uval == 0) {
- SDValue Result = CurDAG->getCopyFromReg(CurDAG->getEntryNode(),
+ SDValue Result = CurDAG->getCopyFromReg(CurDAG->getEntryNode(), dl,
Alpha::R31, MVT::i64);
ReplaceUses(Op, Result);
return NULL;
//Else use the constant pool
ConstantInt *C = ConstantInt::get(Type::Int64Ty, uval);
SDValue CPI = CurDAG->getTargetConstantPool(C, MVT::i64);
- SDNode *Tmp = CurDAG->getTargetNode(Alpha::LDAHr, MVT::i64, CPI,
+ SDNode *Tmp = CurDAG->getTargetNode(Alpha::LDAHr, dl, MVT::i64, CPI,
getGlobalBaseReg());
return CurDAG->SelectNodeTo(N, Alpha::LDQr, MVT::i64, MVT::Other,
CPI, SDValue(Tmp, 0), CurDAG->getEntryNode());
}
- case ISD::TargetConstantFP: {
+ case ISD::TargetConstantFP:
+ case ISD::ConstantFP: {
ConstantFPSDNode *CN = cast<ConstantFPSDNode>(N);
bool isDouble = N->getValueType(0) == MVT::f64;
MVT T = isDouble ? MVT::f64 : MVT::f32;
}
case ISD::SETCC:
- if (N->getOperand(0).Val->getValueType(0).isFloatingPoint()) {
+ if (N->getOperand(0).getNode()->getValueType(0).isFloatingPoint()) {
ISD::CondCode CC = cast<CondCodeSDNode>(N->getOperand(2))->get();
unsigned Opc = Alpha::WTF;
};
SDValue tmp1 = N->getOperand(rev?1:0);
SDValue tmp2 = N->getOperand(rev?0:1);
- AddToISelQueue(tmp1);
- AddToISelQueue(tmp2);
- SDNode *cmp = CurDAG->getTargetNode(Opc, MVT::f64, tmp1, tmp2);
+ SDNode *cmp = CurDAG->getTargetNode(Opc, dl, MVT::f64, tmp1, tmp2);
if (inv)
- cmp = CurDAG->getTargetNode(Alpha::CMPTEQ, MVT::f64, SDValue(cmp, 0),
+ cmp = CurDAG->getTargetNode(Alpha::CMPTEQ, dl,
+ MVT::f64, SDValue(cmp, 0),
CurDAG->getRegister(Alpha::F31, MVT::f64));
switch(CC) {
case ISD::SETUEQ: case ISD::SETULT: case ISD::SETULE:
case ISD::SETUNE: case ISD::SETUGT: case ISD::SETUGE:
{
- SDNode* cmp2 = CurDAG->getTargetNode(Alpha::CMPTUN, MVT::f64,
+ SDNode* cmp2 = CurDAG->getTargetNode(Alpha::CMPTUN, dl, MVT::f64,
tmp1, tmp2);
- cmp = CurDAG->getTargetNode(Alpha::ADDT, MVT::f64,
+ cmp = CurDAG->getTargetNode(Alpha::ADDT, dl, MVT::f64,
SDValue(cmp2, 0), SDValue(cmp, 0));
break;
}
default: break;
}
- SDNode* LD = CurDAG->getTargetNode(Alpha::FTOIT, MVT::i64, SDValue(cmp, 0));
- return CurDAG->getTargetNode(Alpha::CMPULT, MVT::i64,
+ SDNode* LD = CurDAG->getTargetNode(Alpha::FTOIT, dl,
+ MVT::i64, SDValue(cmp, 0));
+ return CurDAG->getTargetNode(Alpha::CMPULT, dl, MVT::i64,
CurDAG->getRegister(Alpha::R31, MVT::i64),
SDValue(LD,0));
}
SDValue cond = N->getOperand(0);
SDValue TV = N->getOperand(1);
SDValue FV = N->getOperand(2);
- AddToISelQueue(cond);
- AddToISelQueue(TV);
- AddToISelQueue(FV);
- SDNode* LD = CurDAG->getTargetNode(Alpha::ITOFT, MVT::f64, cond);
+ SDNode* LD = CurDAG->getTargetNode(Alpha::ITOFT, dl, MVT::f64, cond);
return CurDAG->getTargetNode(isDouble?Alpha::FCMOVNET:Alpha::FCMOVNES,
- MVT::f64, FV, TV, SDValue(LD,0));
+ dl, MVT::f64, FV, TV, SDValue(LD,0));
}
break;
if (N->getOperand(0).getOpcode() == ISD::SRL &&
(MC = dyn_cast<ConstantSDNode>(N->getOperand(1))) &&
(SC = dyn_cast<ConstantSDNode>(N->getOperand(0).getOperand(1)))) {
- uint64_t sval = SC->getValue();
- uint64_t mval = MC->getValue();
+ uint64_t sval = SC->getZExtValue();
+ uint64_t mval = MC->getZExtValue();
// If the result is a zap, let the autogened stuff handle it.
if (get_zapImm(N->getOperand(0), mval))
break;
mask = mask | dontcare;
if (get_zapImm(mask)) {
- AddToISelQueue(N->getOperand(0).getOperand(0));
SDValue Z =
- SDValue(CurDAG->getTargetNode(Alpha::ZAPNOTi, MVT::i64,
+ SDValue(CurDAG->getTargetNode(Alpha::ZAPNOTi, dl, MVT::i64,
N->getOperand(0).getOperand(0),
getI64Imm(get_zapImm(mask))), 0);
- return CurDAG->getTargetNode(Alpha::SRLr, MVT::i64, Z,
+ return CurDAG->getTargetNode(Alpha::SRLr, dl, MVT::i64, Z,
getI64Imm(sval));
}
}
void AlphaDAGToDAGISel::SelectCALL(SDValue Op) {
//TODO: add flag stuff to prevent nondeturministic breakage!
- SDNode *N = Op.Val;
+ SDNode *N = Op.getNode();
SDValue Chain = N->getOperand(0);
SDValue Addr = N->getOperand(1);
SDValue InFlag(0,0); // Null incoming flag value.
- AddToISelQueue(Chain);
+ DebugLoc dl = N->getDebugLoc();
std::vector<SDValue> CallOperands;
std::vector<MVT> TypeOperands;
//grab the arguments
for(int i = 2, e = N->getNumOperands(); i < e; ++i) {
TypeOperands.push_back(N->getOperand(i).getValueType());
- AddToISelQueue(N->getOperand(i));
CallOperands.push_back(N->getOperand(i));
}
int count = N->getNumOperands() - 2;
assert(0 && "Unknown operand");
SDValue Ops[] = { CallOperands[i], getI64Imm((i - 6) * 8),
- CurDAG->getCopyFromReg(Chain, Alpha::R30, MVT::i64),
- Chain };
- Chain = SDValue(CurDAG->getTargetNode(Opc, MVT::Other, Ops, 4), 0);
+ CurDAG->getCopyFromReg(Chain, dl, Alpha::R30, MVT::i64),
+ Chain };
+ Chain = SDValue(CurDAG->getTargetNode(Opc, dl, MVT::Other, Ops, 4), 0);
}
for (int i = 0; i < std::min(6, count); ++i) {
if (TypeOperands[i].isInteger()) {
- Chain = CurDAG->getCopyToReg(Chain, args_int[i], CallOperands[i], InFlag);
+ Chain = CurDAG->getCopyToReg(Chain, dl, args_int[i],
+ CallOperands[i], InFlag);
InFlag = Chain.getValue(1);
} else if (TypeOperands[i] == MVT::f32 || TypeOperands[i] == MVT::f64) {
- Chain = CurDAG->getCopyToReg(Chain, args_float[i], CallOperands[i], InFlag);
+ Chain = CurDAG->getCopyToReg(Chain, dl, args_float[i],
+ CallOperands[i], InFlag);
InFlag = Chain.getValue(1);
} else
assert(0 && "Unknown operand");
// call itself.
if (Addr.getOpcode() == AlphaISD::GPRelLo) {
SDValue GOT = getGlobalBaseReg();
- Chain = CurDAG->getCopyToReg(Chain, Alpha::R29, GOT, InFlag);
+ Chain = CurDAG->getCopyToReg(Chain, dl, Alpha::R29, GOT, InFlag);
InFlag = Chain.getValue(1);
- Chain = SDValue(CurDAG->getTargetNode(Alpha::BSR, MVT::Other, MVT::Flag,
- Addr.getOperand(0), Chain, InFlag), 0);
+ Chain = SDValue(CurDAG->getTargetNode(Alpha::BSR, dl, MVT::Other,
+ MVT::Flag, Addr.getOperand(0),
+ Chain, InFlag), 0);
} else {
- AddToISelQueue(Addr);
- Chain = CurDAG->getCopyToReg(Chain, Alpha::R27, Addr, InFlag);
+ Chain = CurDAG->getCopyToReg(Chain, dl, Alpha::R27, Addr, InFlag);
InFlag = Chain.getValue(1);
- Chain = SDValue(CurDAG->getTargetNode(Alpha::JSR, MVT::Other, MVT::Flag,
- Chain, InFlag), 0);
+ Chain = SDValue(CurDAG->getTargetNode(Alpha::JSR, dl, MVT::Other,
+ MVT::Flag, Chain, InFlag), 0);
}
InFlag = Chain.getValue(1);
default: assert(0 && "Unexpected ret value!");
case MVT::Other: break;
case MVT::i64:
- Chain = CurDAG->getCopyFromReg(Chain, Alpha::R0, MVT::i64, InFlag).getValue(1);
+ Chain = CurDAG->getCopyFromReg(Chain, dl,
+ Alpha::R0, MVT::i64, InFlag).getValue(1);
CallResults.push_back(Chain.getValue(0));
break;
case MVT::f32:
- Chain = CurDAG->getCopyFromReg(Chain, Alpha::F0, MVT::f32, InFlag).getValue(1);
+ Chain = CurDAG->getCopyFromReg(Chain, dl,
+ Alpha::F0, MVT::f32, InFlag).getValue(1);
CallResults.push_back(Chain.getValue(0));
break;
case MVT::f64:
- Chain = CurDAG->getCopyFromReg(Chain, Alpha::F0, MVT::f64, InFlag).getValue(1);
+ Chain = CurDAG->getCopyFromReg(Chain, dl,
+ Alpha::F0, MVT::f64, InFlag).getValue(1);
CallResults.push_back(Chain.getValue(0));
break;
}
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