//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "arm-selectiondag-info"
#include "ARMTargetMachine.h"
-#include "llvm/DerivedTypes.h"
#include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/IR/DerivedTypes.h"
using namespace llvm;
-ARMSelectionDAGInfo::ARMSelectionDAGInfo(const TargetMachine &TM)
- : TargetSelectionDAGInfo(TM),
- Subtarget(&TM.getSubtarget<ARMSubtarget>()) {
-}
+#define DEBUG_TYPE "arm-selectiondag-info"
+
+ARMSelectionDAGInfo::ARMSelectionDAGInfo(const DataLayout &DL)
+ : TargetSelectionDAGInfo(&DL) {}
ARMSelectionDAGInfo::~ARMSelectionDAGInfo() {
}
SDValue
-ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
+ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl,
SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
bool isVolatile, bool AlwaysInline,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) const {
+ const ARMSubtarget &Subtarget = DAG.getTarget().getSubtarget<ARMSubtarget>();
// Do repeated 4-byte loads and stores. To be improved.
// This requires 4-byte alignment.
if ((Align & 3) != 0)
if (!ConstantSize)
return SDValue();
uint64_t SizeVal = ConstantSize->getZExtValue();
- if (!AlwaysInline && SizeVal > Subtarget->getMaxInlineSizeThreshold())
+ if (!AlwaysInline && SizeVal > Subtarget.getMaxInlineSizeThreshold())
return SDValue();
unsigned BytesLeft = SizeVal & 3;
EVT VT = MVT::i32;
unsigned VTSize = 4;
unsigned i = 0;
- const unsigned MAX_LOADS_IN_LDM = 6;
- SDValue TFOps[MAX_LOADS_IN_LDM];
- SDValue Loads[MAX_LOADS_IN_LDM];
+ // Emit a maximum of 4 loads in Thumb1 since we have fewer registers
+ const unsigned MAX_LOADS_IN_LDM = Subtarget.isThumb1Only() ? 4 : 6;
+ SDValue TFOps[6];
+ SDValue Loads[6];
uint64_t SrcOff = 0, DstOff = 0;
// Emit up to MAX_LOADS_IN_LDM loads, then a TokenFactor barrier, then the
TFOps[i] = Loads[i].getValue(1);
SrcOff += VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+ makeArrayRef(TFOps, i));
for (i = 0;
i < MAX_LOADS_IN_LDM && EmittedNumMemOps + i < NumMemOps; ++i) {
isVolatile, false, 0);
DstOff += VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+ makeArrayRef(TFOps, i));
EmittedNumMemOps += i;
}
SrcOff += VTSize;
BytesLeft -= VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+ makeArrayRef(TFOps, i));
i = 0;
BytesLeft = BytesLeftSave;
DstOff += VTSize;
BytesLeft -= VTSize;
}
- return DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
+ return DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+ makeArrayRef(TFOps, i));
}
// Adjust parameters for memset, EABI uses format (ptr, size, value),
// GNU library uses (ptr, value, size)
// See RTABI section 4.3.4
SDValue ARMSelectionDAGInfo::
-EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
+EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
SDValue Chain, SDValue Dst,
SDValue Src, SDValue Size,
unsigned Align, bool isVolatile,
MachinePointerInfo DstPtrInfo) const {
- // Use default for non AAPCS (or Darwin) subtargets
- if (!Subtarget->isAAPCS_ABI() || Subtarget->isTargetDarwin())
+ const ARMSubtarget &Subtarget = DAG.getTarget().getSubtarget<ARMSubtarget>();
+ // Use default for non-AAPCS (or MachO) subtargets
+ if (!Subtarget.isAAPCS_ABI() || Subtarget.isTargetMachO() ||
+ Subtarget.isTargetWindows())
return SDValue();
const ARMTargetLowering &TLI =
- *static_cast<const ARMTargetLowering*>(DAG.getTarget().getTargetLowering());
+ *DAG.getTarget().getSubtarget<ARMSubtarget>().getTargetLowering();
TargetLowering::ArgListTy Args;
TargetLowering::ArgListEntry Entry;
Args.push_back(Entry);
// Emit __eabi_memset call
- TargetLowering::CallLoweringInfo CLI(Chain,
- Type::getVoidTy(*DAG.getContext()), // return type
- false, // return sign ext
- false, // return zero ext
- false, // is var arg
- false, // is in regs
- 0, // number of fixed arguments
- TLI.getLibcallCallingConv(RTLIB::MEMSET), // call conv
- false, // is tail call
- false, // does not return
- false, // is return val used
- DAG.getExternalSymbol(TLI.getLibcallName(RTLIB::MEMSET),
- TLI.getPointerTy()), // callee
- Args, DAG, dl);
- std::pair<SDValue,SDValue> CallResult =
- TLI.LowerCallTo(CLI);
-
+ TargetLowering::CallLoweringInfo CLI(DAG);
+ CLI.setDebugLoc(dl).setChain(Chain)
+ .setCallee(TLI.getLibcallCallingConv(RTLIB::MEMSET),
+ Type::getVoidTy(*DAG.getContext()),
+ DAG.getExternalSymbol(TLI.getLibcallName(RTLIB::MEMSET),
+ TLI.getPointerTy()), std::move(Args), 0)
+ .setDiscardResult();
+
+ std::pair<SDValue,SDValue> CallResult = TLI.LowerCallTo(CLI);
return CallResult.second;
}