#include "ARMRegisterInfo.h"
#include "ARMSubtarget.h"
#include "ARMTargetMachine.h"
+#include "ARMTargetObjectFile.h"
#include "llvm/CallingConv.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/VectorExtras.h"
#include "llvm/Support/ErrorHandling.h"
static TargetLoweringObjectFile *createTLOF(TargetMachine &TM) {
if (TM.getSubtarget<ARMSubtarget>().isTargetDarwin())
return new TargetLoweringObjectFileMachO();
- return new TargetLoweringObjectFileELF(true);
+ return new ARMElfTargetObjectFile();
}
ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
} else {
setOperationAction(ISD::MUL, MVT::i64, Expand);
setOperationAction(ISD::MULHU, MVT::i32, Expand);
- if (!Subtarget->isThumb1Only() && !Subtarget->hasV6Ops())
+ if (!Subtarget->hasV6Ops())
setOperationAction(ISD::MULHS, MVT::i32, Expand);
}
setOperationAction(ISD::SHL_PARTS, MVT::i32, Expand);
// FIXME: handle tail calls differently.
unsigned CallOpc;
- if (Subtarget->isThumb1Only()) {
- if (!Subtarget->hasV5TOps() && (!isDirect || isARMFunc))
+ if (Subtarget->isThumb()) {
+ if ((!isDirect || isARMFunc) && !Subtarget->hasV5TOps())
CallOpc = ARMISD::CALL_NOLINK;
else
CallOpc = isARMFunc ? ARMISD::CALL : ARMISD::tCALL;
SDValue
ARMTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) {
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
unsigned IntNo = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
DebugLoc dl = Op.getDebugLoc();
switch (IntNo) {
default: return SDValue(); // Don't custom lower most intrinsics.
- case Intrinsic::arm_thread_pointer:
- return DAG.getNode(ARMISD::THREAD_POINTER, dl, PtrVT);
+ case Intrinsic::arm_thread_pointer: {
+ MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ return DAG.getNode(ARMISD::THREAD_POINTER, dl, PtrVT);
+ }
case Intrinsic::eh_sjlj_setjmp:
- SDValue Res = DAG.getNode(ARMISD::EH_SJLJ_SETJMP, dl, MVT::i32,
- Op.getOperand(1));
- return Res;
+ return DAG.getNode(ARMISD::EH_SJLJ_SETJMP, dl, MVT::i32, Op.getOperand(1));
}
}
SDValue UId = DAG.getConstant(AFI->createJumpTableUId(), PTy);
SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PTy);
Table = DAG.getNode(ARMISD::WrapperJT, dl, MVT::i32, JTI, UId);
+ Index = DAG.getNode(ISD::MUL, dl, PTy, Index, DAG.getConstant(4, PTy));
+ SDValue Addr = DAG.getNode(ISD::ADD, dl, PTy, Index, Table);
if (Subtarget->isThumb2()) {
// Thumb2 uses a two-level jump. That is, it jumps into the jump table
// which does another jump to the destination. This also makes it easier
// to translate it to TBB / TBH later.
// FIXME: This might not work if the function is extremely large.
- return DAG.getNode(ARMISD::BR2_JT, dl, MVT::Other, Chain, Table, Index,
- JTI, UId);
+ return DAG.getNode(ARMISD::BR2_JT, dl, MVT::Other, Chain,
+ Addr, Op.getOperand(2), JTI, UId);
}
-
- Index = DAG.getNode(ISD::MUL, dl, PTy, Index, DAG.getConstant(4, PTy));
- SDValue Addr = DAG.getNode(ISD::ADD, dl, PTy, Index, Table);
if (getTargetMachine().getRelocationModel() == Reloc::PIC_) {
Addr = DAG.getLoad((MVT)MVT::i32, dl, Chain, Addr, NULL, 0);
Chain = Addr.getValue(1);
BuildVectorSDNode *BVN = dyn_cast<BuildVectorSDNode>(Op.getNode());
assert(BVN != 0 && "Expected a BuildVectorSDNode in LowerBUILD_VECTOR");
DebugLoc dl = Op.getDebugLoc();
+ MVT VT = Op.getValueType();
APInt SplatBits, SplatUndef;
unsigned SplatBitSize;
SDValue Val = isVMOVSplat(SplatBits.getZExtValue(),
SplatUndef.getZExtValue(), SplatBitSize, DAG);
if (Val.getNode())
- return BuildSplat(Val, Op.getValueType(), DAG, dl);
+ return BuildSplat(Val, VT, DAG, dl);
+ }
+
+ // If there are only 2 elements in a 128-bit vector, insert them into an
+ // undef vector. This handles the common case for 128-bit vector argument
+ // passing, where the insertions should be translated to subreg accesses
+ // with no real instructions.
+ if (VT.is128BitVector() && Op.getNumOperands() == 2) {
+ SDValue Val = DAG.getUNDEF(VT);
+ SDValue Op0 = Op.getOperand(0);
+ SDValue Op1 = Op.getOperand(1);
+ if (Op0.getOpcode() != ISD::UNDEF)
+ Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, VT, Val, Op0,
+ DAG.getIntPtrConstant(0));
+ if (Op1.getOpcode() != ISD::UNDEF)
+ Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, VT, Val, Op1,
+ DAG.getIntPtrConstant(1));
+ return Val;
}
return SDValue();
return DAG.getNode(ISD::TRUNCATE, dl, VT, Op);
}
-static SDValue LowerCONCAT_VECTORS(SDValue Op) {
- if (Op.getValueType().is128BitVector() && Op.getNumOperands() == 2)
- return Op;
- return SDValue();
+static SDValue LowerCONCAT_VECTORS(SDValue Op, SelectionDAG &DAG) {
+ // The only time a CONCAT_VECTORS operation can have legal types is when
+ // two 64-bit vectors are concatenated to a 128-bit vector.
+ assert(Op.getValueType().is128BitVector() && Op.getNumOperands() == 2 &&
+ "unexpected CONCAT_VECTORS");
+ DebugLoc dl = Op.getDebugLoc();
+ SDValue Val = DAG.getUNDEF(MVT::v2f64);
+ SDValue Op0 = Op.getOperand(0);
+ SDValue Op1 = Op.getOperand(1);
+ if (Op0.getOpcode() != ISD::UNDEF)
+ Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64, Val,
+ DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, Op0),
+ DAG.getIntPtrConstant(0));
+ if (Op1.getOpcode() != ISD::UNDEF)
+ Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64, Val,
+ DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, Op1),
+ DAG.getIntPtrConstant(1));
+ return DAG.getNode(ISD::BIT_CONVERT, dl, Op.getValueType(), Val);
}
SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
case ISD::VECTOR_SHUFFLE: return LowerVECTOR_SHUFFLE(Op, DAG);
case ISD::SCALAR_TO_VECTOR: return LowerSCALAR_TO_VECTOR(Op, DAG);
case ISD::EXTRACT_VECTOR_ELT: return LowerEXTRACT_VECTOR_ELT(Op, DAG);
- case ISD::CONCAT_VECTORS: return LowerCONCAT_VECTORS(Op);
+ case ISD::CONCAT_VECTORS: return LowerCONCAT_VECTORS(Op, DAG);
}
return SDValue();
}
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