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Fix some typos. Call getTypeToTransformTo rather than 

getTypeToExpandTo.  The difference is that
getTypeToExpandTo gives the final result of expansion
(eg: i128 -> i32 on a 32 bit machine) while
getTypeToTransformTo does just one step (i128 -> i64).

llvm-svn: 42982
This commit is contained in:
Duncan Sands 2007-10-15 13:30:18 +00:00
parent 3cfb56d489
commit f6977d9842
1 changed files with 14 additions and 14 deletions
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28
llvm/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp
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@ -61,8 +61,8 @@ class VISIBILITY_HIDDEN DAGTypeLegalizer {
};
/// ValueTypeActions - This is a bitvector that contains two bits for each
/// value type, where the two bits correspond to the LegalizeAction enum.
/// This can be queried with "getTypeAction(VT)".
/// simple value type, where the two bits correspond to the LegalizeAction
/// enum. This can be queried with "getTypeAction(VT)".
TargetLowering::ValueTypeActionImpl ValueTypeActions;
/// getTypeAction - Return how we should legalize values of this type, either
@ -87,7 +87,7 @@ class VISIBILITY_HIDDEN DAGTypeLegalizer {
DenseMap<SDOperand, SDOperand> PromotedNodes;
/// ExpandedNodes - For nodes that need to be expanded this map indicates
/// which which operands are the expanded version of the input.
/// which operands are the expanded version of the input.
DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > ExpandedNodes;
/// Worklist - This defines a worklist of nodes to process. In order to be
@ -190,7 +190,7 @@ void DAGTypeLegalizer::run() {
DAG.setRoot(SDOperand());
// Walk all nodes in the graph, assigning them a NodeID of 'ReadyToProcess'
// (and remembering them) if they are leafs and assigning 'NewNode' if
// (and remembering them) if they are leaves and assigning 'NewNode' if
// non-leaves.
for (SelectionDAG::allnodes_iterator I = DAG.allnodes_begin(),
E = DAG.allnodes_end(); I != E; ++I) {
@ -416,7 +416,7 @@ void DAGTypeLegalizer::SetExpandedOp(SDOperand Op, SDOperand Lo,
/// PromoteResult - This method is called when a result of a node is found to be
/// in need of promotion to a larger type. At this point, the node may also
/// have invalid operands or may have other results that need expansion, we just
/// know that (at least) the one result needs promotion.
/// know that (at least) one result needs promotion.
void DAGTypeLegalizer::PromoteResult(SDNode *N, unsigned ResNo) {
DEBUG(cerr << "Promote node result: "; N->dump(&DAG); cerr << "\n");
SDOperand Result = SDOperand();
@ -556,7 +556,7 @@ SDOperand DAGTypeLegalizer::PromoteResult_SimpleIntBinOp(SDNode *N) {
/// ExpandResult - This method is called when the specified result of the
/// specified node is found to need expansion. At this point, the node may also
/// have invalid operands or may have other results that need promotion, we just
/// know that (at least) the one result needs expansion.
/// know that (at least) one result needs expansion.
void DAGTypeLegalizer::ExpandResult(SDNode *N, unsigned ResNo) {
DEBUG(cerr << "Expand node result: "; N->dump(&DAG); cerr << "\n");
SDOperand Lo, Hi;
@ -599,13 +599,13 @@ void DAGTypeLegalizer::ExpandResult(SDNode *N, unsigned ResNo) {
void DAGTypeLegalizer::ExpandResult_UNDEF(SDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType NVT = TLI.getTypeToExpandTo(N->getValueType(0));
MVT::ValueType NVT = TLI.getTypeToTransformTo(N->getValueType(0));
Lo = Hi = DAG.getNode(ISD::UNDEF, NVT);
}
void DAGTypeLegalizer::ExpandResult_Constant(SDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType NVT = TLI.getTypeToExpandTo(N->getValueType(0));
MVT::ValueType NVT = TLI.getTypeToTransformTo(N->getValueType(0));
uint64_t Cst = cast<ConstantSDNode>(N)->getValue();
Lo = DAG.getConstant(Cst, NVT);
Hi = DAG.getConstant(Cst >> MVT::getSizeInBits(NVT), NVT);
@ -621,7 +621,7 @@ void DAGTypeLegalizer::ExpandResult_BUILD_PAIR(SDNode *N,
void DAGTypeLegalizer::ExpandResult_ANY_EXTEND(SDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType NVT = TLI.getTypeToExpandTo(N->getValueType(0));
MVT::ValueType NVT = TLI.getTypeToTransformTo(N->getValueType(0));
// The low part is any extension of the input (which degenerates to a copy).
Lo = DAG.getNode(ISD::ANY_EXTEND, NVT, N->getOperand(0));
Hi = DAG.getNode(ISD::UNDEF, NVT); // The high part is undefined.
@ -629,7 +629,7 @@ void DAGTypeLegalizer::ExpandResult_ANY_EXTEND(SDNode *N,
void DAGTypeLegalizer::ExpandResult_ZERO_EXTEND(SDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType NVT = TLI.getTypeToExpandTo(N->getValueType(0));
MVT::ValueType NVT = TLI.getTypeToTransformTo(N->getValueType(0));
// The low part is zero extension of the input (which degenerates to a copy).
Lo = DAG.getNode(ISD::ZERO_EXTEND, NVT, N->getOperand(0));
Hi = DAG.getConstant(0, NVT); // The high part is just a zero.
@ -637,7 +637,7 @@ void DAGTypeLegalizer::ExpandResult_ZERO_EXTEND(SDNode *N,
void DAGTypeLegalizer::ExpandResult_SIGN_EXTEND(SDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType NVT = TLI.getTypeToExpandTo(N->getValueType(0));
MVT::ValueType NVT = TLI.getTypeToTransformTo(N->getValueType(0));
// The low part is sign extension of the input (which degenerates to a copy).
Lo = DAG.getNode(ISD::SIGN_EXTEND, NVT, N->getOperand(0));
@ -651,7 +651,7 @@ void DAGTypeLegalizer::ExpandResult_SIGN_EXTEND(SDNode *N,
void DAGTypeLegalizer::ExpandResult_LOAD(LoadSDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType VT = N->getValueType(0);
MVT::ValueType NVT = TLI.getTypeToExpandTo(VT);
MVT::ValueType NVT = TLI.getTypeToTransformTo(VT);
SDOperand Ch = N->getChain(); // Legalize the chain.
SDOperand Ptr = N->getBasePtr(); // Legalize the pointer.
ISD::LoadExtType ExtType = N->getExtensionType();
@ -816,7 +816,7 @@ void DAGTypeLegalizer::ExpandResult_ADDSUB(SDNode *N,
void DAGTypeLegalizer::ExpandResult_MUL(SDNode *N,
SDOperand &Lo, SDOperand &Hi) {
MVT::ValueType VT = N->getValueType(0);
MVT::ValueType NVT = TLI.getTypeToExpandTo(VT);
MVT::ValueType NVT = TLI.getTypeToTransformTo(VT);
// If the target wants to custom expand this, let them.
if (TLI.getOperationAction(ISD::MUL, VT) == TargetLowering::Custom) {
@ -941,7 +941,7 @@ void DAGTypeLegalizer::ExpandResult_Shift(SDNode *N,
// Next check to see if the target supports this SHL_PARTS operation or if it
// will custom expand it.
MVT::ValueType NVT = TLI.getTypeToExpandTo(VT);
MVT::ValueType NVT = TLI.getTypeToTransformTo(VT);
TargetLowering::LegalizeAction Action = TLI.getOperationAction(PartsOpc, NVT);
if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) ||
Action == TargetLowering::Custom) {