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Delete LegalizeDAG's own version of isTypeLegal and getTypeAction

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and just use the ones from TargetLowering directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135318 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2011-07-15 22:39:09 +00:00
parent 5bc37dd131
commit 75b10047fc
1 changed files with 16 additions and 26 deletions
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42
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -82,19 +82,6 @@ class SelectionDAGLegalize {
public:
explicit SelectionDAGLegalize(SelectionDAG &DAG);
/// getTypeAction - Return how we should legalize values of this type, either
/// it is already legal or we need to expand it into multiple registers of
/// smaller integer type, or we need to promote it to a larger type.
LegalizeAction getTypeAction(EVT VT) const {
return (LegalizeAction)TLI.getTypeAction(*DAG.getContext(), VT);
}
/// isTypeLegal - Return true if this type is legal on this target.
///
bool isTypeLegal(EVT VT) const {
return getTypeAction(VT) == Legal;
}
void LegalizeDAG();
private:
@ -744,7 +731,7 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
DebugLoc dl = ST->getDebugLoc();
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(ST->getValue())) {
if (CFP->getValueType(0) == MVT::f32 &&
getTypeAction(MVT::i32) == Legal) {
TLI.isTypeLegal(MVT::i32)) {
Tmp3 = DAG.getConstant(CFP->getValueAPF().
bitcastToAPInt().zextOrTrunc(32),
MVT::i32);
@ -754,14 +741,14 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
if (CFP->getValueType(0) == MVT::f64) {
// If this target supports 64-bit registers, do a single 64-bit store.
if (getTypeAction(MVT::i64) == Legal) {
if (TLI.isTypeLegal(MVT::i64)) {
Tmp3 = DAG.getConstant(CFP->getValueAPF().bitcastToAPInt().
zextOrTrunc(64), MVT::i64);
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
}
if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) {
if (TLI.isTypeLegal(MVT::i32) && !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
// xform is certainly not worth it.
@ -795,11 +782,14 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
DebugLoc dl = Node->getDebugLoc();
for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
assert(getTypeAction(Node->getValueType(i)) == Legal &&
assert(TLI.getTypeAction(*DAG.getContext(), Node->getValueType(i)) ==
TargetLowering::TypeLegal &&
"Unexpected illegal type!");
for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i)
assert((isTypeLegal(Node->getOperand(i).getValueType()) ||
assert((TLI.getTypeAction(*DAG.getContext(),
Node->getOperand(i).getValueType()) ==
TargetLowering::TypeLegal ||
Node->getOperand(i).getOpcode() == ISD::TargetConstant) &&
"Unexpected illegal type!");
@ -1343,7 +1333,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
}
break;
case TargetLowering::Expand:
if (!TLI.isLoadExtLegal(ISD::EXTLOAD, SrcVT) && isTypeLegal(SrcVT)) {
if (!TLI.isLoadExtLegal(ISD::EXTLOAD, SrcVT) && TLI.isTypeLegal(SrcVT)) {
SDValue Load = DAG.getLoad(SrcVT, dl, Tmp1, Tmp2,
LD->getPointerInfo(),
LD->isVolatile(), LD->isNonTemporal(),
@ -1367,7 +1357,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
// If this is a promoted vector load, and the vector element types are
// legal, then scalarize it.
if (ExtType == ISD::EXTLOAD && SrcVT.isVector() &&
isTypeLegal(Node->getValueType(0).getScalarType())) {
TLI.isTypeLegal(Node->getValueType(0).getScalarType())) {
SmallVector<SDValue, 8> LoadVals;
SmallVector<SDValue, 8> LoadChains;
unsigned NumElem = SrcVT.getVectorNumElements();
@ -1629,8 +1619,8 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
// The Store type is illegal, must scalarize the vector store.
SmallVector<SDValue, 8> Stores;
bool ScalarLegal = isTypeLegal(WideScalarVT);
if (!isTypeLegal(StVT) && StVT.isVector() && ScalarLegal) {
bool ScalarLegal = TLI.isTypeLegal(WideScalarVT);
if (!TLI.isTypeLegal(StVT) && StVT.isVector() && ScalarLegal) {
unsigned NumElem = StVT.getVectorNumElements();
unsigned ScalarSize = StVT.getScalarType().getSizeInBits();
@ -1666,7 +1656,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
// The Store type is illegal, must scalarize the vector store.
// However, the scalar type is illegal. Must bitcast the result
// and store it in smaller parts.
if (!isTypeLegal(StVT) && StVT.isVector()) {
if (!TLI.isTypeLegal(StVT) && StVT.isVector()) {
unsigned WideNumElem = StVT.getVectorNumElements();
unsigned Stride = NarrowScalarVT.getSizeInBits()/8;
@ -1706,7 +1696,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
// TRUNCSTORE:i16 i32 -> STORE i16
assert(isTypeLegal(StVT) && "Do not know how to expand this store!");
assert(TLI.isTypeLegal(StVT) && "Do not know how to expand this store!");
Tmp3 = DAG.getNode(ISD::TRUNCATE, dl, StVT, Tmp3);
Result = DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
@ -1865,7 +1855,7 @@ SDValue SelectionDAGLegalize::ExpandFCOPYSIGN(SDNode* Node) {
SDValue SignBit;
EVT FloatVT = Tmp2.getValueType();
EVT IVT = EVT::getIntegerVT(*DAG.getContext(), FloatVT.getSizeInBits());
if (isTypeLegal(IVT)) {
if (TLI.isTypeLegal(IVT)) {
// Convert to an integer with the same sign bit.
SignBit = DAG.getNode(ISD::BITCAST, dl, IVT, Tmp2);
} else {
@ -3187,7 +3177,7 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
EVT VT = Node->getValueType(0);
EVT EltVT = VT.getVectorElementType();
if (getTypeAction(EltVT) == Promote)
if (!TLI.isTypeLegal(EltVT))
EltVT = TLI.getTypeToTransformTo(*DAG.getContext(), EltVT);
unsigned NumElems = VT.getVectorNumElements();
SmallVector<SDValue, 8> Ops;