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Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZISelLowering.cpp')
-rw-r--r--llvm/lib/Target/SystemZ/SystemZISelLowering.cpp71
1 files changed, 35 insertions, 36 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
index 9cce34fa386..76a32cdc1a9 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -444,31 +444,31 @@ getSingleConstraintMatchWeight(AsmOperandInfo &info,
break;
case 'I': // Unsigned 8-bit constant
- if (ConstantInt *C = dyn_cast<ConstantInt>(CallOperandVal))
+ if (auto *C = dyn_cast<ConstantInt>(CallOperandVal))
if (isUInt<8>(C->getZExtValue()))
weight = CW_Constant;
break;
case 'J': // Unsigned 12-bit constant
- if (ConstantInt *C = dyn_cast<ConstantInt>(CallOperandVal))
+ if (auto *C = dyn_cast<ConstantInt>(CallOperandVal))
if (isUInt<12>(C->getZExtValue()))
weight = CW_Constant;
break;
case 'K': // Signed 16-bit constant
- if (ConstantInt *C = dyn_cast<ConstantInt>(CallOperandVal))
+ if (auto *C = dyn_cast<ConstantInt>(CallOperandVal))
if (isInt<16>(C->getSExtValue()))
weight = CW_Constant;
break;
case 'L': // Signed 20-bit displacement (on all targets we support)
- if (ConstantInt *C = dyn_cast<ConstantInt>(CallOperandVal))
+ if (auto *C = dyn_cast<ConstantInt>(CallOperandVal))
if (isInt<20>(C->getSExtValue()))
weight = CW_Constant;
break;
case 'M': // 0x7fffffff
- if (ConstantInt *C = dyn_cast<ConstantInt>(CallOperandVal))
+ if (auto *C = dyn_cast<ConstantInt>(CallOperandVal))
if (C->getZExtValue() == 0x7fffffff)
weight = CW_Constant;
break;
@@ -561,35 +561,35 @@ LowerAsmOperandForConstraint(SDValue Op, std::string &Constraint,
if (Constraint.length() == 1) {
switch (Constraint[0]) {
case 'I': // Unsigned 8-bit constant
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
+ if (auto *C = dyn_cast<ConstantSDNode>(Op))
if (isUInt<8>(C->getZExtValue()))
Ops.push_back(DAG.getTargetConstant(C->getZExtValue(),
Op.getValueType()));
return;
case 'J': // Unsigned 12-bit constant
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
+ if (auto *C = dyn_cast<ConstantSDNode>(Op))
if (isUInt<12>(C->getZExtValue()))
Ops.push_back(DAG.getTargetConstant(C->getZExtValue(),
Op.getValueType()));
return;
case 'K': // Signed 16-bit constant
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
+ if (auto *C = dyn_cast<ConstantSDNode>(Op))
if (isInt<16>(C->getSExtValue()))
Ops.push_back(DAG.getTargetConstant(C->getSExtValue(),
Op.getValueType()));
return;
case 'L': // Signed 20-bit displacement (on all targets we support)
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
+ if (auto *C = dyn_cast<ConstantSDNode>(Op))
if (isInt<20>(C->getSExtValue()))
Ops.push_back(DAG.getTargetConstant(C->getSExtValue(),
Op.getValueType()));
return;
case 'M': // 0x7fffffff
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
+ if (auto *C = dyn_cast<ConstantSDNode>(Op))
if (C->getZExtValue() == 0x7fffffff)
Ops.push_back(DAG.getTargetConstant(C->getZExtValue(),
Op.getValueType()));
@@ -670,8 +670,7 @@ LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, bool IsVarArg,
MachineRegisterInfo &MRI = MF.getRegInfo();
SystemZMachineFunctionInfo *FuncInfo =
MF.getInfo<SystemZMachineFunctionInfo>();
- const SystemZFrameLowering *TFL =
- static_cast<const SystemZFrameLowering *>(TM.getFrameLowering());
+ auto *TFL = static_cast<const SystemZFrameLowering *>(TM.getFrameLowering());
// Assign locations to all of the incoming arguments.
SmallVector<CCValAssign, 16> ArgLocs;
@@ -880,10 +879,10 @@ SystemZTargetLowering::LowerCall(CallLoweringInfo &CLI,
// associated Target* opcodes. Force %r1 to be used for indirect
// tail calls.
SDValue Glue;
- if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
+ if (auto *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
Callee = DAG.getTargetGlobalAddress(G->getGlobal(), DL, PtrVT);
Callee = DAG.getNode(SystemZISD::PCREL_WRAPPER, DL, PtrVT, Callee);
- } else if (ExternalSymbolSDNode *E = dyn_cast<ExternalSymbolSDNode>(Callee)) {
+ } else if (auto *E = dyn_cast<ExternalSymbolSDNode>(Callee)) {
Callee = DAG.getTargetExternalSymbol(E->getSymbol(), PtrVT);
Callee = DAG.getNode(SystemZISD::PCREL_WRAPPER, DL, PtrVT, Callee);
} else if (IsTailCall) {
@@ -1104,7 +1103,7 @@ static void adjustZeroCmp(SelectionDAG &DAG, Comparison &C) {
if (C.ICmpType == SystemZICMP::UnsignedOnly)
return;
- ConstantSDNode *ConstOp1 = dyn_cast<ConstantSDNode>(C.Op1.getNode());
+ auto *ConstOp1 = dyn_cast<ConstantSDNode>(C.Op1.getNode());
if (!ConstOp1)
return;
@@ -1129,14 +1128,14 @@ static void adjustSubwordCmp(SelectionDAG &DAG, Comparison &C) {
return;
// We must have an 8- or 16-bit load.
- LoadSDNode *Load = cast<LoadSDNode>(C.Op0);
+ auto *Load = cast<LoadSDNode>(C.Op0);
unsigned NumBits = Load->getMemoryVT().getStoreSizeInBits();
if (NumBits != 8 && NumBits != 16)
return;
// The load must be an extending one and the constant must be within the
// range of the unextended value.
- ConstantSDNode *ConstOp1 = cast<ConstantSDNode>(C.Op1);
+ auto *ConstOp1 = cast<ConstantSDNode>(C.Op1);
uint64_t Value = ConstOp1->getZExtValue();
uint64_t Mask = (1 << NumBits) - 1;
if (Load->getExtensionType() == ISD::SEXTLOAD) {
@@ -1191,7 +1190,7 @@ static void adjustSubwordCmp(SelectionDAG &DAG, Comparison &C) {
// Return true if Op is either an unextended load, or a load suitable
// for integer register-memory comparisons of type ICmpType.
static bool isNaturalMemoryOperand(SDValue Op, unsigned ICmpType) {
- LoadSDNode *Load = dyn_cast<LoadSDNode>(Op.getNode());
+ auto *Load = dyn_cast<LoadSDNode>(Op.getNode());
if (Load) {
// There are no instructions to compare a register with a memory byte.
if (Load->getMemoryVT() == MVT::i8)
@@ -1225,7 +1224,7 @@ static bool shouldSwapCmpOperands(const Comparison &C) {
// Never swap comparisons with zero since there are many ways to optimize
// those later.
- ConstantSDNode *ConstOp1 = dyn_cast<ConstantSDNode>(C.Op1);
+ auto *ConstOp1 = dyn_cast<ConstantSDNode>(C.Op1);
if (ConstOp1 && ConstOp1->getZExtValue() == 0)
return false;
@@ -1302,7 +1301,7 @@ static void adjustForSubtraction(SelectionDAG &DAG, Comparison &C) {
// negation to set CC, so avoiding separate LOAD AND TEST and
// LOAD (NEGATIVE/COMPLEMENT) instructions.
static void adjustForFNeg(Comparison &C) {
- ConstantFPSDNode *C1 = dyn_cast<ConstantFPSDNode>(C.Op1);
+ auto *C1 = dyn_cast<ConstantFPSDNode>(C.Op1);
if (C1 && C1->isZero()) {
for (auto I = C.Op0->use_begin(), E = C.Op0->use_end(); I != E; ++I) {
SDNode *N = *I;
@@ -1327,7 +1326,7 @@ static void adjustForLTGFR(Comparison &C) {
C.Op0.getValueType() == MVT::i64 &&
C.Op1.getOpcode() == ISD::Constant &&
cast<ConstantSDNode>(C.Op1)->getZExtValue() == 0) {
- ConstantSDNode *C1 = dyn_cast<ConstantSDNode>(C.Op0.getOperand(1));
+ auto *C1 = dyn_cast<ConstantSDNode>(C.Op0.getOperand(1));
if (C1 && C1->getZExtValue() == 32) {
SDValue ShlOp0 = C.Op0.getOperand(0);
// See whether X has any SIGN_EXTEND_INREG uses.
@@ -1351,7 +1350,7 @@ static void adjustICmpTruncate(SelectionDAG &DAG, Comparison &C) {
C.Op0.getOperand(0).getOpcode() == ISD::LOAD &&
C.Op1.getOpcode() == ISD::Constant &&
cast<ConstantSDNode>(C.Op1)->getZExtValue() == 0) {
- LoadSDNode *L = cast<LoadSDNode>(C.Op0.getOperand(0));
+ auto *L = cast<LoadSDNode>(C.Op0.getOperand(0));
if (L->getMemoryVT().getStoreSizeInBits()
<= C.Op0.getValueType().getSizeInBits()) {
unsigned Type = L->getExtensionType();
@@ -1367,7 +1366,7 @@ static void adjustICmpTruncate(SelectionDAG &DAG, Comparison &C) {
// Return true if shift operation N has an in-range constant shift value.
// Store it in ShiftVal if so.
static bool isSimpleShift(SDValue N, unsigned &ShiftVal) {
- ConstantSDNode *Shift = dyn_cast<ConstantSDNode>(N.getOperand(1));
+ auto *Shift = dyn_cast<ConstantSDNode>(N.getOperand(1));
if (!Shift)
return false;
@@ -1479,7 +1478,7 @@ static unsigned getTestUnderMaskCond(unsigned BitSize, unsigned CCMask,
// Update the arguments with the TM version if so.
static void adjustForTestUnderMask(SelectionDAG &DAG, Comparison &C) {
// Check that we have a comparison with a constant.
- ConstantSDNode *ConstOp1 = dyn_cast<ConstantSDNode>(C.Op1);
+ auto *ConstOp1 = dyn_cast<ConstantSDNode>(C.Op1);
if (!ConstOp1)
return;
uint64_t CmpVal = ConstOp1->getZExtValue();
@@ -1748,8 +1747,8 @@ SDValue SystemZTargetLowering::lowerSELECT_CC(SDValue Op,
// Special case for handling -1/0 results. The shifts we use here
// should get optimized with the IPM conversion sequence.
- ConstantSDNode *TrueC = dyn_cast<ConstantSDNode>(TrueOp);
- ConstantSDNode *FalseC = dyn_cast<ConstantSDNode>(FalseOp);
+ auto *TrueC = dyn_cast<ConstantSDNode>(TrueOp);
+ auto *FalseC = dyn_cast<ConstantSDNode>(FalseOp);
if (TrueC && FalseC) {
int64_t TrueVal = TrueC->getSExtValue();
int64_t FalseVal = FalseC->getSExtValue();
@@ -2183,10 +2182,10 @@ SDValue SystemZTargetLowering::lowerSIGN_EXTEND(SDValue Op,
SDValue N0 = Op.getOperand(0);
EVT VT = Op.getValueType();
if (N0.hasOneUse() && N0.getOpcode() == ISD::SRA) {
- ConstantSDNode *SraAmt = dyn_cast<ConstantSDNode>(N0.getOperand(1));
+ auto *SraAmt = dyn_cast<ConstantSDNode>(N0.getOperand(1));
SDValue Inner = N0.getOperand(0);
if (SraAmt && Inner.hasOneUse() && Inner.getOpcode() == ISD::SHL) {
- ConstantSDNode *ShlAmt = dyn_cast<ConstantSDNode>(Inner.getOperand(1));
+ auto *ShlAmt = dyn_cast<ConstantSDNode>(Inner.getOperand(1));
if (ShlAmt) {
unsigned Extra = (VT.getSizeInBits() -
N0.getValueType().getSizeInBits());
@@ -2208,7 +2207,7 @@ SDValue SystemZTargetLowering::lowerSIGN_EXTEND(SDValue Op,
// Op is an atomic load. Lower it into a normal volatile load.
SDValue SystemZTargetLowering::lowerATOMIC_LOAD(SDValue Op,
SelectionDAG &DAG) const {
- AtomicSDNode *Node = cast<AtomicSDNode>(Op.getNode());
+ auto *Node = cast<AtomicSDNode>(Op.getNode());
return DAG.getExtLoad(ISD::EXTLOAD, SDLoc(Op), Op.getValueType(),
Node->getChain(), Node->getBasePtr(),
Node->getMemoryVT(), Node->getMemOperand());
@@ -2218,7 +2217,7 @@ SDValue SystemZTargetLowering::lowerATOMIC_LOAD(SDValue Op,
// by a serialization.
SDValue SystemZTargetLowering::lowerATOMIC_STORE(SDValue Op,
SelectionDAG &DAG) const {
- AtomicSDNode *Node = cast<AtomicSDNode>(Op.getNode());
+ auto *Node = cast<AtomicSDNode>(Op.getNode());
SDValue Chain = DAG.getTruncStore(Node->getChain(), SDLoc(Op), Node->getVal(),
Node->getBasePtr(), Node->getMemoryVT(),
Node->getMemOperand());
@@ -2231,7 +2230,7 @@ SDValue SystemZTargetLowering::lowerATOMIC_STORE(SDValue Op,
SDValue SystemZTargetLowering::lowerATOMIC_LOAD_OP(SDValue Op,
SelectionDAG &DAG,
unsigned Opcode) const {
- AtomicSDNode *Node = cast<AtomicSDNode>(Op.getNode());
+ auto *Node = cast<AtomicSDNode>(Op.getNode());
// 32-bit operations need no code outside the main loop.
EVT NarrowVT = Node->getMemoryVT();
@@ -2249,7 +2248,7 @@ SDValue SystemZTargetLowering::lowerATOMIC_LOAD_OP(SDValue Op,
// Convert atomic subtracts of constants into additions.
if (Opcode == SystemZISD::ATOMIC_LOADW_SUB)
- if (ConstantSDNode *Const = dyn_cast<ConstantSDNode>(Src2)) {
+ if (auto *Const = dyn_cast<ConstantSDNode>(Src2)) {
Opcode = SystemZISD::ATOMIC_LOADW_ADD;
Src2 = DAG.getConstant(-Const->getSExtValue(), Src2.getValueType());
}
@@ -2305,7 +2304,7 @@ SDValue SystemZTargetLowering::lowerATOMIC_LOAD_OP(SDValue Op,
// operations into additions.
SDValue SystemZTargetLowering::lowerATOMIC_LOAD_SUB(SDValue Op,
SelectionDAG &DAG) const {
- AtomicSDNode *Node = cast<AtomicSDNode>(Op.getNode());
+ auto *Node = cast<AtomicSDNode>(Op.getNode());
EVT MemVT = Node->getMemoryVT();
if (MemVT == MVT::i32 || MemVT == MVT::i64) {
// A full-width operation.
@@ -2314,7 +2313,7 @@ SDValue SystemZTargetLowering::lowerATOMIC_LOAD_SUB(SDValue Op,
SDValue NegSrc2;
SDLoc DL(Src2);
- if (ConstantSDNode *Op2 = dyn_cast<ConstantSDNode>(Src2)) {
+ if (auto *Op2 = dyn_cast<ConstantSDNode>(Src2)) {
// Use an addition if the operand is constant and either LAA(G) is
// available or the negative value is in the range of A(G)FHI.
int64_t Value = (-Op2->getAPIntValue()).getSExtValue();
@@ -2342,7 +2341,7 @@ SDValue SystemZTargetLowering::lowerATOMIC_LOAD_SUB(SDValue Op,
// into a fullword ATOMIC_CMP_SWAPW operation.
SDValue SystemZTargetLowering::lowerATOMIC_CMP_SWAP(SDValue Op,
SelectionDAG &DAG) const {
- AtomicSDNode *Node = cast<AtomicSDNode>(Op.getNode());
+ auto *Node = cast<AtomicSDNode>(Op.getNode());
// We have native support for 32-bit compare and swap.
EVT NarrowVT = Node->getMemoryVT();
@@ -2409,7 +2408,7 @@ SDValue SystemZTargetLowering::lowerPREFETCH(SDValue Op,
bool IsWrite = cast<ConstantSDNode>(Op.getOperand(2))->getZExtValue();
unsigned Code = IsWrite ? SystemZ::PFD_WRITE : SystemZ::PFD_READ;
- MemIntrinsicSDNode *Node = cast<MemIntrinsicSDNode>(Op.getNode());
+ auto *Node = cast<MemIntrinsicSDNode>(Op.getNode());
SDValue Ops[] = {
Op.getOperand(0),
DAG.getConstant(Code, MVT::i32),
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