//
//===----------------------------------------------------------------------===//
-#include "X86TargetMachine.h"
+#include "X86InstrInfo.h"
+#include "X86ISelLowering.h"
+#include "X86RegisterInfo.h"
+#include "X86Subtarget.h"
+#include "X86SelectionDAGInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/Target/TargetLowering.h"
+
using namespace llvm;
#define DEBUG_TYPE "x86-selectiondag-info"
-X86SelectionDAGInfo::X86SelectionDAGInfo(const X86TargetMachine &TM) :
- TargetSelectionDAGInfo(TM),
- Subtarget(&TM.getSubtarget<X86Subtarget>()),
- TLI(*TM.getTargetLowering()) {
-}
+X86SelectionDAGInfo::X86SelectionDAGInfo(const DataLayout &DL)
+ : TargetSelectionDAGInfo(&DL) {}
-X86SelectionDAGInfo::~X86SelectionDAGInfo() {
-}
+X86SelectionDAGInfo::~X86SelectionDAGInfo() {}
SDValue
X86SelectionDAGInfo::EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
bool isVolatile,
MachinePointerInfo DstPtrInfo) const {
ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size);
+ const X86Subtarget &Subtarget = DAG.getTarget().getSubtarget<X86Subtarget>();
// If to a segment-relative address space, use the default lowering.
if (DstPtrInfo.getAddrSpace() >= 256)
// If not DWORD aligned or size is more than the threshold, call the library.
// The libc version is likely to be faster for these cases. It can use the
// address value and run time information about the CPU.
- if ((Align & 3) != 0 ||
- !ConstantSize ||
- ConstantSize->getZExtValue() >
- Subtarget->getMaxInlineSizeThreshold()) {
+ if ((Align & 3) != 0 || !ConstantSize ||
+ ConstantSize->getZExtValue() > Subtarget.getMaxInlineSizeThreshold()) {
// Check to see if there is a specialized entry-point for memory zeroing.
ConstantSDNode *V = dyn_cast<ConstantSDNode>(Src);
if (const char *bzeroEntry = V &&
- V->isNullValue() ? Subtarget->getBZeroEntry() : nullptr) {
- EVT IntPtr = TLI.getPointerTy();
+ V->isNullValue() ? Subtarget.getBZeroEntry() : nullptr) {
+ EVT IntPtr = DAG.getTargetLoweringInfo().getPointerTy();
Type *IntPtrTy = getDataLayout()->getIntPtrType(*DAG.getContext());
TargetLowering::ArgListTy Args;
TargetLowering::ArgListEntry Entry;
Args.push_back(Entry);
Entry.Node = Size;
Args.push_back(Entry);
- TargetLowering::
- CallLoweringInfo CLI(Chain, Type::getVoidTy(*DAG.getContext()),
- false, false, false, false,
- 0, CallingConv::C, /*isTailCall=*/false,
- /*doesNotRet=*/false, /*isReturnValueUsed=*/false,
- DAG.getExternalSymbol(bzeroEntry, IntPtr), Args,
- DAG, dl);
- std::pair<SDValue,SDValue> CallResult =
- TLI.LowerCallTo(CLI);
+
+ TargetLowering::CallLoweringInfo CLI(DAG);
+ CLI.setDebugLoc(dl).setChain(Chain)
+ .setCallee(CallingConv::C, Type::getVoidTy(*DAG.getContext()),
+ DAG.getExternalSymbol(bzeroEntry, IntPtr), std::move(Args),
+ 0)
+ .setDiscardResult();
+
+ std::pair<SDValue,SDValue> CallResult = DAG.getTargetLoweringInfo().LowerCallTo(CLI);
return CallResult.second;
}
ValReg = X86::EAX;
Val = (Val << 8) | Val;
Val = (Val << 16) | Val;
- if (Subtarget->is64Bit() && ((Align & 0x7) == 0)) { // QWORD aligned
+ if (Subtarget.is64Bit() && ((Align & 0x7) == 0)) { // QWORD aligned
AVT = MVT::i64;
ValReg = X86::RAX;
Val = (Val << 32) | Val;
InFlag = Chain.getValue(1);
}
- Chain = DAG.getCopyToReg(Chain, dl, Subtarget->is64Bit() ? X86::RCX :
- X86::ECX,
- Count, InFlag);
+ Chain = DAG.getCopyToReg(Chain, dl, Subtarget.is64Bit() ? X86::RCX : X86::ECX,
+ Count, InFlag);
InFlag = Chain.getValue(1);
- Chain = DAG.getCopyToReg(Chain, dl, Subtarget->is64Bit() ? X86::RDI :
- X86::EDI,
- Dst, InFlag);
+ Chain = DAG.getCopyToReg(Chain, dl, Subtarget.is64Bit() ? X86::RDI : X86::EDI,
+ Dst, InFlag);
InFlag = Chain.getValue(1);
SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, DAG.getValueType(AVT), InFlag };
- Chain = DAG.getNode(X86ISD::REP_STOS, dl, Tys, Ops, array_lengthof(Ops));
+ Chain = DAG.getNode(X86ISD::REP_STOS, dl, Tys, Ops);
if (TwoRepStos) {
InFlag = Chain.getValue(1);
InFlag = Chain.getValue(1);
Tys = DAG.getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, DAG.getValueType(MVT::i8), InFlag };
- Chain = DAG.getNode(X86ISD::REP_STOS, dl, Tys, Ops, array_lengthof(Ops));
+ Chain = DAG.getNode(X86ISD::REP_STOS, dl, Tys, Ops);
} else if (BytesLeft) {
// Handle the last 1 - 7 bytes.
unsigned Offset = SizeVal - BytesLeft;
// This requires the copy size to be a constant, preferably
// within a subtarget-specific limit.
ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size);
+ const X86Subtarget &Subtarget = DAG.getTarget().getSubtarget<X86Subtarget>();
if (!ConstantSize)
return SDValue();
uint64_t SizeVal = ConstantSize->getZExtValue();
- if (!AlwaysInline && SizeVal > Subtarget->getMaxInlineSizeThreshold())
+ if (!AlwaysInline && SizeVal > Subtarget.getMaxInlineSizeThreshold())
return SDValue();
/// If not DWORD aligned, it is more efficient to call the library. However
AVT = MVT::i32;
else
// QWORD aligned
- AVT = Subtarget->is64Bit() ? MVT::i64 : MVT::i32;
+ AVT = Subtarget.is64Bit() ? MVT::i64 : MVT::i32;
unsigned UBytes = AVT.getSizeInBits() / 8;
unsigned CountVal = SizeVal / UBytes;
unsigned BytesLeft = SizeVal % UBytes;
SDValue InFlag;
- Chain = DAG.getCopyToReg(Chain, dl, Subtarget->is64Bit() ? X86::RCX :
+ Chain = DAG.getCopyToReg(Chain, dl, Subtarget.is64Bit() ? X86::RCX :
X86::ECX,
Count, InFlag);
InFlag = Chain.getValue(1);
- Chain = DAG.getCopyToReg(Chain, dl, Subtarget->is64Bit() ? X86::RDI :
+ Chain = DAG.getCopyToReg(Chain, dl, Subtarget.is64Bit() ? X86::RDI :
X86::EDI,
Dst, InFlag);
InFlag = Chain.getValue(1);
- Chain = DAG.getCopyToReg(Chain, dl, Subtarget->is64Bit() ? X86::RSI :
+ Chain = DAG.getCopyToReg(Chain, dl, Subtarget.is64Bit() ? X86::RSI :
X86::ESI,
Src, InFlag);
InFlag = Chain.getValue(1);
SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, DAG.getValueType(AVT), InFlag };
- SDValue RepMovs = DAG.getNode(X86ISD::REP_MOVS, dl, Tys, Ops,
- array_lengthof(Ops));
+ SDValue RepMovs = DAG.getNode(X86ISD::REP_MOVS, dl, Tys, Ops);
SmallVector<SDValue, 4> Results;
Results.push_back(RepMovs);
SrcPtrInfo.getWithOffset(Offset)));
}
- return DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
- &Results[0], Results.size());
+ return DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Results);
}
projects / oota-llvm.git / blobdiff