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Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Wesley Peck
2010-11-23 03:31:01 +00:00
parent 5400570097
commit bf17cfa3f9
30 changed files with 1142 additions and 1145 deletions
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58
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@@ -403,7 +403,7 @@ SDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG,
// Expand to a bitconvert of the value to the integer type of the
// same size, then a (misaligned) int store.
// FIXME: Does not handle truncating floating point stores!
SDValue Result = DAG.getNode(ISD::BIT_CONVERT, dl, intVT, Val);
SDValue Result = DAG.getNode(ISD::BITCAST, dl, intVT, Val);
return DAG.getStore(Chain, dl, Result, Ptr, ST->getPointerInfo(),
ST->isVolatile(), ST->isNonTemporal(), Alignment);
} else {
@@ -515,14 +515,14 @@ SDValue ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG,
SDValue newLoad = DAG.getLoad(intVT, dl, Chain, Ptr, LD->getPointerInfo(),
LD->isVolatile(),
LD->isNonTemporal(), LD->getAlignment());
SDValue Result = DAG.getNode(ISD::BIT_CONVERT, dl, LoadedVT, newLoad);
SDValue Result = DAG.getNode(ISD::BITCAST, dl, LoadedVT, newLoad);
if (VT.isFloatingPoint() && LoadedVT != VT)
Result = DAG.getNode(ISD::FP_EXTEND, dl, VT, Result);
SDValue Ops[] = { Result, Chain };
return DAG.getMergeValues(Ops, 2, dl);
}
// Copy the value to a (aligned) stack slot using (unaligned) integer
// loads and stores, then do a (aligned) load from the stack slot.
EVT RegVT = TLI.getRegisterType(*DAG.getContext(), intVT);
@@ -733,7 +733,7 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
}
if (CFP->getValueType(0) == MVT::f64) {
// If this target supports 64-bit registers, do a single 64-bit store.
if (getTypeAction(MVT::i64) == Legal) {
@@ -742,7 +742,7 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
}
if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) {
// Otherwise, if the target supports 32-bit registers, use 2 32-bit
// stores. If the target supports neither 32- nor 64-bits, this
@@ -1145,7 +1145,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
Tmp1 = DAG.getLoad(NVT, dl, Tmp1, Tmp2, LD->getPointerInfo(),
LD->isVolatile(), LD->isNonTemporal(),
LD->getAlignment());
Tmp3 = LegalizeOp(DAG.getNode(ISD::BIT_CONVERT, dl, VT, Tmp1));
Tmp3 = LegalizeOp(DAG.getNode(ISD::BITCAST, dl, VT, Tmp1));
Tmp4 = LegalizeOp(Tmp1.getValue(1));
break;
}
@@ -1156,7 +1156,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
AddLegalizedOperand(SDValue(Node, 1), Tmp4);
return Op.getResNo() ? Tmp4 : Tmp3;
}
EVT SrcVT = LD->getMemoryVT();
unsigned SrcWidth = SrcVT.getSizeInBits();
unsigned Alignment = LD->getAlignment();
@@ -1410,7 +1410,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
break;
case TargetLowering::Promote:
assert(VT.isVector() && "Unknown legal promote case!");
Tmp3 = DAG.getNode(ISD::BIT_CONVERT, dl,
Tmp3 = DAG.getNode(ISD::BITCAST, dl,
TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3);
Result = DAG.getStore(Tmp1, dl, Tmp3, Tmp2,
ST->getPointerInfo(), isVolatile,
@@ -1629,7 +1629,7 @@ SDValue SelectionDAGLegalize::ExpandFCOPYSIGN(SDNode* Node) {
EVT IVT = EVT::getIntegerVT(*DAG.getContext(), FloatVT.getSizeInBits());
if (isTypeLegal(IVT)) {
// Convert to an integer with the same sign bit.
SignBit = DAG.getNode(ISD::BIT_CONVERT, dl, IVT, Tmp2);
SignBit = DAG.getNode(ISD::BITCAST, dl, IVT, Tmp2);
} else {
// Store the float to memory, then load the sign part out as an integer.
MVT LoadTy = TLI.getPointerTy();
@@ -2120,8 +2120,8 @@ SDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned,
DAG.getConstant(32, MVT::i64));
SDValue LoOr = DAG.getNode(ISD::OR, dl, MVT::i64, Lo, TwoP52);
SDValue HiOr = DAG.getNode(ISD::OR, dl, MVT::i64, Hi, TwoP84);
SDValue LoFlt = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, LoOr);
SDValue HiFlt = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, HiOr);
SDValue LoFlt = DAG.getNode(ISD::BITCAST, dl, MVT::f64, LoOr);
SDValue HiFlt = DAG.getNode(ISD::BITCAST, dl, MVT::f64, HiOr);
SDValue HiSub = DAG.getNode(ISD::FSUB, dl, MVT::f64, HiFlt,
TwoP84PlusTwoP52);
return DAG.getNode(ISD::FADD, dl, MVT::f64, LoFlt, HiSub);
@@ -2134,28 +2134,28 @@ SDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned,
// algorithm from the x86_64 __floatundidf in compiler_rt.
if (!isSigned) {
SDValue Fast = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::f32, Op0);
SDValue ShiftConst = DAG.getConstant(1, TLI.getShiftAmountTy());
SDValue Shr = DAG.getNode(ISD::SRL, dl, MVT::i64, Op0, ShiftConst);
SDValue AndConst = DAG.getConstant(1, MVT::i64);
SDValue And = DAG.getNode(ISD::AND, dl, MVT::i64, Op0, AndConst);
SDValue Or = DAG.getNode(ISD::OR, dl, MVT::i64, And, Shr);
SDValue SignCvt = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::f32, Or);
SDValue Slow = DAG.getNode(ISD::FADD, dl, MVT::f32, SignCvt, SignCvt);
// TODO: This really should be implemented using a branch rather than a
// select. We happen to get lucky and machinesink does the right
// thing most of the time. This would be a good candidate for a
// select. We happen to get lucky and machinesink does the right
// thing most of the time. This would be a good candidate for a
//pseudo-op, or, even better, for whole-function isel.
SDValue SignBitTest = DAG.getSetCC(dl, TLI.getSetCCResultType(MVT::i64),
SDValue SignBitTest = DAG.getSetCC(dl, TLI.getSetCCResultType(MVT::i64),
Op0, DAG.getConstant(0, MVT::i64), ISD::SETLT);
return DAG.getNode(ISD::SELECT, dl, MVT::f32, SignBitTest, Slow, Fast);
}
// Otherwise, implement the fully general conversion.
EVT SHVT = TLI.getShiftAmountTy();
SDValue And = DAG.getNode(ISD::AND, dl, MVT::i64, Op0,
DAG.getConstant(UINT64_C(0xfffffffffffff800), MVT::i64));
SDValue Or = DAG.getNode(ISD::OR, dl, MVT::i64, And,
@@ -2169,7 +2169,7 @@ SDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned,
Op0, DAG.getConstant(UINT64_C(0x0020000000000000), MVT::i64),
ISD::SETUGE);
SDValue Sel2 = DAG.getNode(ISD::SELECT, dl, MVT::i64, Ge, Sel, Op0);
SDValue Sh = DAG.getNode(ISD::SRL, dl, MVT::i64, Sel2,
DAG.getConstant(32, SHVT));
SDValue Trunc = DAG.getNode(ISD::TRUNCATE, dl, MVT::i32, Sh);
@@ -2617,7 +2617,7 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
break;
}
case ISD::FP_ROUND:
case ISD::BIT_CONVERT:
case ISD::BITCAST:
Tmp1 = EmitStackConvert(Node->getOperand(0), Node->getValueType(0),
Node->getValueType(0), dl);
Results.push_back(Tmp1);
@@ -2739,7 +2739,7 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
case ISD::EXTRACT_VECTOR_ELT:
if (Node->getOperand(0).getValueType().getVectorNumElements() == 1)
// This must be an access of the only element. Return it.
Tmp1 = DAG.getNode(ISD::BIT_CONVERT, dl, Node->getValueType(0),
Tmp1 = DAG.getNode(ISD::BITCAST, dl, Node->getValueType(0),
Node->getOperand(0));
else
Tmp1 = ExpandExtractFromVectorThroughStack(SDValue(Node, 0));
@@ -3361,8 +3361,8 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node,
case ISD::XOR: {
unsigned ExtOp, TruncOp;
if (OVT.isVector()) {
ExtOp = ISD::BIT_CONVERT;
TruncOp = ISD::BIT_CONVERT;
ExtOp = ISD::BITCAST;
TruncOp = ISD::BITCAST;
} else {
assert(OVT.isInteger() && "Cannot promote logic operation");
ExtOp = ISD::ANY_EXTEND;
@@ -3379,8 +3379,8 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node,
case ISD::SELECT: {
unsigned ExtOp, TruncOp;
if (Node->getValueType(0).isVector()) {
ExtOp = ISD::BIT_CONVERT;
TruncOp = ISD::BIT_CONVERT;
ExtOp = ISD::BITCAST;
TruncOp = ISD::BITCAST;
} else if (Node->getValueType(0).isInteger()) {
ExtOp = ISD::ANY_EXTEND;
TruncOp = ISD::TRUNCATE;
@@ -3407,12 +3407,12 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node,
cast<ShuffleVectorSDNode>(Node)->getMask(Mask);
// Cast the two input vectors.
Tmp1 = DAG.getNode(ISD::BIT_CONVERT, dl, NVT, Node->getOperand(0));
Tmp2 = DAG.getNode(ISD::BIT_CONVERT, dl, NVT, Node->getOperand(1));
Tmp1 = DAG.getNode(ISD::BITCAST, dl, NVT, Node->getOperand(0));
Tmp2 = DAG.getNode(ISD::BITCAST, dl, NVT, Node->getOperand(1));
// Convert the shuffle mask to the right # elements.
Tmp1 = ShuffleWithNarrowerEltType(NVT, OVT, dl, Tmp1, Tmp2, Mask);
Tmp1 = DAG.getNode(ISD::BIT_CONVERT, dl, OVT, Tmp1);
Tmp1 = DAG.getNode(ISD::BITCAST, dl, OVT, Tmp1);
Results.push_back(Tmp1);
break;
}