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path: root/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
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Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp123
1 files changed, 66 insertions, 57 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index f41202c4f8a4..9f060a09a0f3 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -282,7 +282,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BITCAST(SDNode *N) {
Lo = BitConvertToInteger(Lo);
Hi = BitConvertToInteger(Hi);
- if (TLI.isBigEndian())
+ if (DAG.getDataLayout().isBigEndian())
std::swap(Lo, Hi);
InOp = DAG.getNode(ISD::ANY_EXTEND, dl,
@@ -310,8 +310,10 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BSWAP(SDNode *N) {
SDLoc dl(N);
unsigned DiffBits = NVT.getScalarSizeInBits() - OVT.getScalarSizeInBits();
- return DAG.getNode(ISD::SRL, dl, NVT, DAG.getNode(ISD::BSWAP, dl, NVT, Op),
- DAG.getConstant(DiffBits, dl, TLI.getShiftAmountTy(NVT)));
+ return DAG.getNode(
+ ISD::SRL, dl, NVT, DAG.getNode(ISD::BSWAP, dl, NVT, Op),
+ DAG.getConstant(DiffBits, dl,
+ TLI.getShiftAmountTy(NVT, DAG.getDataLayout())));
}
SDValue DAGTypeLegalizer::PromoteIntRes_BUILD_PAIR(SDNode *N) {
@@ -799,7 +801,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_VAARG(SDNode *N) {
}
// Handle endianness of the load.
- if (TLI.isBigEndian())
+ if (DAG.getDataLayout().isBigEndian())
std::reverse(Parts.begin(), Parts.end());
// Assemble the parts in the promoted type.
@@ -809,8 +811,8 @@ SDValue DAGTypeLegalizer::PromoteIntRes_VAARG(SDNode *N) {
SDValue Part = DAG.getNode(ISD::ZERO_EXTEND, dl, NVT, Parts[i]);
// Shift it to the right position and "or" it in.
Part = DAG.getNode(ISD::SHL, dl, NVT, Part,
- DAG.getConstant(i*RegVT.getSizeInBits(), dl,
- TLI.getPointerTy()));
+ DAG.getConstant(i * RegVT.getSizeInBits(), dl,
+ TLI.getPointerTy(DAG.getDataLayout())));
Res = DAG.getNode(ISD::OR, dl, NVT, Res, Part);
}
@@ -1004,7 +1006,7 @@ SDValue DAGTypeLegalizer::PromoteIntOp_BUILD_PAIR(SDNode *N) {
Hi = DAG.getNode(ISD::SHL, dl, N->getValueType(0), Hi,
DAG.getConstant(OVT.getSizeInBits(), dl,
- TLI.getPointerTy()));
+ TLI.getPointerTy(DAG.getDataLayout())));
return DAG.getNode(ISD::OR, dl, N->getValueType(0), Lo, Hi);
}
@@ -1063,7 +1065,7 @@ SDValue DAGTypeLegalizer::PromoteIntOp_INSERT_VECTOR_ELT(SDNode *N,
// Promote the index.
SDValue Idx = DAG.getZExtOrTrunc(N->getOperand(2), SDLoc(N),
- TLI.getVectorIdxTy());
+ TLI.getVectorIdxTy(DAG.getDataLayout()));
return SDValue(DAG.UpdateNodeOperands(N, N->getOperand(0),
N->getOperand(1), Idx), 0);
}
@@ -1356,9 +1358,9 @@ std::pair <SDValue, SDValue> DAGTypeLegalizer::ExpandAtomic(SDNode *Node) {
return ExpandChainLibCall(LC, Node, false);
}
-/// ExpandShiftByConstant - N is a shift by a value that needs to be expanded,
+/// N is a shift by a value that needs to be expanded,
/// and the shift amount is a constant 'Amt'. Expand the operation.
-void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
+void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, const APInt &Amt,
SDValue &Lo, SDValue &Hi) {
SDLoc DL(N);
// Expand the incoming operand to be shifted, so that we have its parts
@@ -1379,9 +1381,9 @@ void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
EVT ShTy = N->getOperand(1).getValueType();
if (N->getOpcode() == ISD::SHL) {
- if (Amt > VTBits) {
+ if (Amt.ugt(VTBits)) {
Lo = Hi = DAG.getConstant(0, DL, NVT);
- } else if (Amt > NVTBits) {
+ } else if (Amt.ugt(NVTBits)) {
Lo = DAG.getConstant(0, DL, NVT);
Hi = DAG.getNode(ISD::SHL, DL,
NVT, InL, DAG.getConstant(Amt - NVTBits, DL, ShTy));
@@ -1403,16 +1405,15 @@ void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
DAG.getNode(ISD::SHL, DL, NVT, InH,
DAG.getConstant(Amt, DL, ShTy)),
DAG.getNode(ISD::SRL, DL, NVT, InL,
- DAG.getConstant(NVTBits - Amt, DL, ShTy)));
+ DAG.getConstant(-Amt + NVTBits, DL, ShTy)));
}
return;
}
if (N->getOpcode() == ISD::SRL) {
- if (Amt > VTBits) {
- Lo = DAG.getConstant(0, DL, NVT);
- Hi = DAG.getConstant(0, DL, NVT);
- } else if (Amt > NVTBits) {
+ if (Amt.ugt(VTBits)) {
+ Lo = Hi = DAG.getConstant(0, DL, NVT);
+ } else if (Amt.ugt(NVTBits)) {
Lo = DAG.getNode(ISD::SRL, DL,
NVT, InH, DAG.getConstant(Amt - NVTBits, DL, ShTy));
Hi = DAG.getConstant(0, DL, NVT);
@@ -1424,19 +1425,19 @@ void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
DAG.getNode(ISD::SRL, DL, NVT, InL,
DAG.getConstant(Amt, DL, ShTy)),
DAG.getNode(ISD::SHL, DL, NVT, InH,
- DAG.getConstant(NVTBits - Amt, DL, ShTy)));
+ DAG.getConstant(-Amt + NVTBits, DL, ShTy)));
Hi = DAG.getNode(ISD::SRL, DL, NVT, InH, DAG.getConstant(Amt, DL, ShTy));
}
return;
}
assert(N->getOpcode() == ISD::SRA && "Unknown shift!");
- if (Amt > VTBits) {
+ if (Amt.ugt(VTBits)) {
Hi = Lo = DAG.getNode(ISD::SRA, DL, NVT, InH,
DAG.getConstant(NVTBits - 1, DL, ShTy));
- } else if (Amt > NVTBits) {
+ } else if (Amt.ugt(NVTBits)) {
Lo = DAG.getNode(ISD::SRA, DL, NVT, InH,
- DAG.getConstant(Amt-NVTBits, DL, ShTy));
+ DAG.getConstant(Amt - NVTBits, DL, ShTy));
Hi = DAG.getNode(ISD::SRA, DL, NVT, InH,
DAG.getConstant(NVTBits - 1, DL, ShTy));
} else if (Amt == NVTBits) {
@@ -1448,7 +1449,7 @@ void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
DAG.getNode(ISD::SRL, DL, NVT, InL,
DAG.getConstant(Amt, DL, ShTy)),
DAG.getNode(ISD::SHL, DL, NVT, InH,
- DAG.getConstant(NVTBits - Amt, DL, ShTy)));
+ DAG.getConstant(-Amt + NVTBits, DL, ShTy)));
Hi = DAG.getNode(ISD::SRA, DL, NVT, InH, DAG.getConstant(Amt, DL, ShTy));
}
}
@@ -1808,7 +1809,8 @@ void DAGTypeLegalizer::ExpandIntRes_AssertSext(SDNode *N,
Lo = DAG.getNode(ISD::AssertSext, dl, NVT, Lo, DAG.getValueType(EVT));
// The high part replicates the sign bit of Lo, make it explicit.
Hi = DAG.getNode(ISD::SRA, dl, NVT, Lo,
- DAG.getConstant(NVTBits - 1, dl, TLI.getPointerTy()));
+ DAG.getConstant(NVTBits - 1, dl,
+ TLI.getPointerTy(DAG.getDataLayout())));
}
}
@@ -1975,7 +1977,8 @@ void DAGTypeLegalizer::ExpandIntRes_LOAD(LoadSDNode *N,
// lo part.
unsigned LoSize = Lo.getValueType().getSizeInBits();
Hi = DAG.getNode(ISD::SRA, dl, NVT, Lo,
- DAG.getConstant(LoSize - 1, dl, TLI.getPointerTy()));
+ DAG.getConstant(LoSize - 1, dl,
+ TLI.getPointerTy(DAG.getDataLayout())));
} else if (ExtType == ISD::ZEXTLOAD) {
// The high part is just a zero.
Hi = DAG.getConstant(0, dl, NVT);
@@ -1984,7 +1987,7 @@ void DAGTypeLegalizer::ExpandIntRes_LOAD(LoadSDNode *N,
// The high part is undefined.
Hi = DAG.getUNDEF(NVT);
}
- } else if (TLI.isLittleEndian()) {
+ } else if (DAG.getDataLayout().isLittleEndian()) {
// Little-endian - low bits are at low addresses.
Lo = DAG.getLoad(NVT, dl, Ch, Ptr, N->getPointerInfo(),
isVolatile, isNonTemporal, isInvariant, Alignment,
@@ -2039,15 +2042,16 @@ void DAGTypeLegalizer::ExpandIntRes_LOAD(LoadSDNode *N,
if (ExcessBits < NVT.getSizeInBits()) {
// Transfer low bits from the bottom of Hi to the top of Lo.
- Lo = DAG.getNode(ISD::OR, dl, NVT, Lo,
- DAG.getNode(ISD::SHL, dl, NVT, Hi,
- DAG.getConstant(ExcessBits, dl,
- TLI.getPointerTy())));
+ Lo = DAG.getNode(
+ ISD::OR, dl, NVT, Lo,
+ DAG.getNode(ISD::SHL, dl, NVT, Hi,
+ DAG.getConstant(ExcessBits, dl,
+ TLI.getPointerTy(DAG.getDataLayout()))));
// Move high bits to the right position in Hi.
- Hi = DAG.getNode(ExtType == ISD::SEXTLOAD ? ISD::SRA : ISD::SRL, dl,
- NVT, Hi,
+ Hi = DAG.getNode(ExtType == ISD::SEXTLOAD ? ISD::SRA : ISD::SRL, dl, NVT,
+ Hi,
DAG.getConstant(NVT.getSizeInBits() - ExcessBits, dl,
- TLI.getPointerTy()));
+ TLI.getPointerTy(DAG.getDataLayout())));
}
}
@@ -2173,7 +2177,7 @@ void DAGTypeLegalizer::ExpandIntRes_Shift(SDNode *N,
// If we can emit an efficient shift operation, do so now. Check to see if
// the RHS is a constant.
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
- return ExpandShiftByConstant(N, CN->getZExtValue(), Lo, Hi);
+ return ExpandShiftByConstant(N, CN->getAPIntValue(), Lo, Hi);
// If we can determine that the high bit of the shift is zero or one, even if
// the low bits are variable, emit this shift in an optimized form.
@@ -2206,7 +2210,7 @@ void DAGTypeLegalizer::ExpandIntRes_Shift(SDNode *N,
// have an illegal type. Fix that first by casting the operand, otherwise
// the new SHL_PARTS operation would need further legalization.
SDValue ShiftOp = N->getOperand(1);
- EVT ShiftTy = TLI.getShiftAmountTy(VT);
+ EVT ShiftTy = TLI.getShiftAmountTy(VT, DAG.getDataLayout());
assert(ShiftTy.getScalarType().getSizeInBits() >=
Log2_32_Ceil(VT.getScalarType().getSizeInBits()) &&
"ShiftAmountTy is too small to cover the range of this type!");
@@ -2276,8 +2280,9 @@ void DAGTypeLegalizer::ExpandIntRes_SIGN_EXTEND(SDNode *N,
Lo = DAG.getNode(ISD::SIGN_EXTEND, dl, NVT, N->getOperand(0));
// The high part is obtained by SRA'ing all but one of the bits of low part.
unsigned LoSize = NVT.getSizeInBits();
- Hi = DAG.getNode(ISD::SRA, dl, NVT, Lo,
- DAG.getConstant(LoSize - 1, dl, TLI.getPointerTy()));
+ Hi = DAG.getNode(
+ ISD::SRA, dl, NVT, Lo,
+ DAG.getConstant(LoSize - 1, dl, TLI.getPointerTy(DAG.getDataLayout())));
} else {
// For example, extension of an i48 to an i64. The operand type necessarily
// promotes to the result type, so will end up being expanded too.
@@ -2312,7 +2317,7 @@ ExpandIntRes_SIGN_EXTEND_INREG(SDNode *N, SDValue &Lo, SDValue &Hi) {
// things like sextinreg V:i64 from i8.
Hi = DAG.getNode(ISD::SRA, dl, Hi.getValueType(), Lo,
DAG.getConstant(Hi.getValueType().getSizeInBits() - 1, dl,
- TLI.getPointerTy()));
+ TLI.getPointerTy(DAG.getDataLayout())));
} else {
// For example, extension of an i48 to an i64. Leave the low part alone,
// sext_inreg the high part.
@@ -2355,10 +2360,10 @@ void DAGTypeLegalizer::ExpandIntRes_TRUNCATE(SDNode *N,
EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
SDLoc dl(N);
Lo = DAG.getNode(ISD::TRUNCATE, dl, NVT, N->getOperand(0));
- Hi = DAG.getNode(ISD::SRL, dl,
- N->getOperand(0).getValueType(), N->getOperand(0),
+ Hi = DAG.getNode(ISD::SRL, dl, N->getOperand(0).getValueType(),
+ N->getOperand(0),
DAG.getConstant(NVT.getSizeInBits(), dl,
- TLI.getPointerTy()));
+ TLI.getPointerTy(DAG.getDataLayout())));
Hi = DAG.getNode(ISD::TRUNCATE, dl, NVT, Hi);
}
@@ -2414,7 +2419,7 @@ void DAGTypeLegalizer::ExpandIntRes_XMULO(SDNode *N,
}
Type *RetTy = VT.getTypeForEVT(*DAG.getContext());
- EVT PtrVT = TLI.getPointerTy();
+ EVT PtrVT = TLI.getPointerTy(DAG.getDataLayout());
Type *PtrTy = PtrVT.getTypeForEVT(*DAG.getContext());
// Replace this with a libcall that will check overflow.
@@ -2845,7 +2850,7 @@ SDValue DAGTypeLegalizer::ExpandIntOp_STORE(StoreSDNode *N, unsigned OpNo) {
Alignment, AAInfo);
}
- if (TLI.isLittleEndian()) {
+ if (DAG.getDataLayout().isLittleEndian()) {
// Little-endian - low bits are at low addresses.
GetExpandedInteger(N->getValue(), Lo, Hi);
@@ -2882,11 +2887,12 @@ SDValue DAGTypeLegalizer::ExpandIntOp_STORE(StoreSDNode *N, unsigned OpNo) {
// Transfer high bits from the top of Lo to the bottom of Hi.
Hi = DAG.getNode(ISD::SHL, dl, NVT, Hi,
DAG.getConstant(NVT.getSizeInBits() - ExcessBits, dl,
- TLI.getPointerTy()));
- Hi = DAG.getNode(ISD::OR, dl, NVT, Hi,
- DAG.getNode(ISD::SRL, dl, NVT, Lo,
- DAG.getConstant(ExcessBits, dl,
- TLI.getPointerTy())));
+ TLI.getPointerTy(DAG.getDataLayout())));
+ Hi = DAG.getNode(
+ ISD::OR, dl, NVT, Hi,
+ DAG.getNode(ISD::SRL, dl, NVT, Lo,
+ DAG.getConstant(ExcessBits, dl,
+ TLI.getPointerTy(DAG.getDataLayout()))));
}
// Store both the high bits and maybe some of the low bits.
@@ -2956,14 +2962,15 @@ SDValue DAGTypeLegalizer::ExpandIntOp_UINT_TO_FP(SDNode *N) {
ISD::SETLT);
// Build a 64 bit pair (0, FF) in the constant pool, with FF in the lo bits.
- SDValue FudgePtr = DAG.getConstantPool(
- ConstantInt::get(*DAG.getContext(), FF.zext(64)),
- TLI.getPointerTy());
+ SDValue FudgePtr =
+ DAG.getConstantPool(ConstantInt::get(*DAG.getContext(), FF.zext(64)),
+ TLI.getPointerTy(DAG.getDataLayout()));
// Get a pointer to FF if the sign bit was set, or to 0 otherwise.
SDValue Zero = DAG.getIntPtrConstant(0, dl);
SDValue Four = DAG.getIntPtrConstant(4, dl);
- if (TLI.isBigEndian()) std::swap(Zero, Four);
+ if (DAG.getDataLayout().isBigEndian())
+ std::swap(Zero, Four);
SDValue Offset = DAG.getSelect(dl, Zero.getValueType(), SignSet,
Zero, Four);
unsigned Alignment = cast<ConstantPoolSDNode>(FudgePtr)->getAlignment();
@@ -3113,9 +3120,9 @@ SDValue DAGTypeLegalizer::PromoteIntRes_CONCAT_VECTORS(SDNode *N) {
for (unsigned i = 0; i < NumOperands; ++i) {
SDValue Op = N->getOperand(i);
for (unsigned j = 0; j < NumElem; ++j) {
- SDValue Ext = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl,
- InElemTy, Op, DAG.getConstant(j, dl,
- TLI.getVectorIdxTy()));
+ SDValue Ext = DAG.getNode(
+ ISD::EXTRACT_VECTOR_ELT, dl, InElemTy, Op,
+ DAG.getConstant(j, dl, TLI.getVectorIdxTy(DAG.getDataLayout())));
Ops[i * NumElem + j] = DAG.getNode(ISD::ANY_EXTEND, dl, OutElemTy, Ext);
}
}
@@ -3142,7 +3149,8 @@ SDValue DAGTypeLegalizer::PromoteIntRes_INSERT_VECTOR_ELT(SDNode *N) {
SDValue DAGTypeLegalizer::PromoteIntOp_EXTRACT_VECTOR_ELT(SDNode *N) {
SDLoc dl(N);
SDValue V0 = GetPromotedInteger(N->getOperand(0));
- SDValue V1 = DAG.getZExtOrTrunc(N->getOperand(1), dl, TLI.getVectorIdxTy());
+ SDValue V1 = DAG.getZExtOrTrunc(N->getOperand(1), dl,
+ TLI.getVectorIdxTy(DAG.getDataLayout()));
SDValue Ext = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl,
V0->getValueType(0).getScalarType(), V0, V1);
@@ -3179,8 +3187,9 @@ SDValue DAGTypeLegalizer::PromoteIntOp_CONCAT_VECTORS(SDNode *N) {
for (unsigned i=0; i<NumElem; ++i) {
// Extract element from incoming vector
- SDValue Ex = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, SclrTy,
- Incoming, DAG.getConstant(i, dl, TLI.getVectorIdxTy()));
+ SDValue Ex = DAG.getNode(
+ ISD::EXTRACT_VECTOR_ELT, dl, SclrTy, Incoming,
+ DAG.getConstant(i, dl, TLI.getVectorIdxTy(DAG.getDataLayout())));
SDValue Tr = DAG.getNode(ISD::TRUNCATE, dl, RetSclrTy, Ex);
NewOps.push_back(Tr);
}
generated by cgit v1.3 (git 2.53.0) at 2026-03-10 23:13:01 +0000