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[CodeGen] Use SDNode::uses (NFC)

This commit is contained in:
Kazu Hirata 2021-11-12 07:33:29 -08:00
parent 8d35c054e3
commit 99d5cbbd7e
4 changed files with 10 additions and 20 deletions
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4
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
View File

@ -4056,9 +4056,7 @@ SDValue DAGCombiner::useDivRem(SDNode *Node) {
SDValue Op0 = Node->getOperand(0);
SDValue Op1 = Node->getOperand(1);
SDValue combined;
for (SDNode::use_iterator UI = Op0.getNode()->use_begin(),
UE = Op0.getNode()->use_end(); UI != UE; ++UI) {
SDNode *User = *UI;
for (SDNode *User : Op0.getNode()->uses()) {
if (User == Node || User->getOpcode() == ISD::DELETED_NODE ||
User->use_empty())
continue;

8
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -1359,9 +1359,7 @@ SDValue SelectionDAGLegalize::ExpandExtractFromVectorThroughStack(SDValue Op) {
Visited.insert(Op.getNode());
Worklist.push_back(Idx.getNode());
SDValue StackPtr, Ch;
for (SDNode::use_iterator UI = Vec.getNode()->use_begin(),
UE = Vec.getNode()->use_end(); UI != UE; ++UI) {
SDNode *User = *UI;
for (SDNode *User : Vec.getNode()->uses()) {
if (StoreSDNode *ST = dyn_cast<StoreSDNode>(User)) {
if (ST->isIndexed() || ST->isTruncatingStore() ||
ST->getValue() != Vec)
@ -2223,9 +2221,7 @@ static bool useSinCos(SDNode *Node) {
? ISD::FCOS : ISD::FSIN;
SDValue Op0 = Node->getOperand(0);
for (SDNode::use_iterator UI = Op0.getNode()->use_begin(),
UE = Op0.getNode()->use_end(); UI != UE; ++UI) {
SDNode *User = *UI;
for (const SDNode *User : Op0.getNode()->uses()) {
if (User == Node)
continue;
// The other user might have been turned into sincos already.

7
llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
View File

@ -384,13 +384,12 @@ void ScheduleDAGSDNodes::BuildSchedUnits() {
// There are either zero or one users of the Glue result.
bool HasGlueUse = false;
for (SDNode::use_iterator UI = N->use_begin(), E = N->use_end();
UI != E; ++UI)
if (GlueVal.isOperandOf(*UI)) {
for (SDNode *U : N->uses())
if (GlueVal.isOperandOf(U)) {
HasGlueUse = true;
assert(N->getNodeId() == -1 && "Node already inserted!");
N->setNodeId(NodeSUnit->NodeNum);
N = *UI;
N = U;
if (N->isMachineOpcode() && TII->get(N->getMachineOpcode()).isCall())
NodeSUnit->isCall = true;
break;

11
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -6218,9 +6218,8 @@ SDValue SelectionDAG::getStackArgumentTokenFactor(SDValue Chain) {
ArgChains.push_back(Chain);
// Add a chain value for each stack argument.
for (SDNode::use_iterator U = getEntryNode().getNode()->use_begin(),
UE = getEntryNode().getNode()->use_end(); U != UE; ++U)
if (LoadSDNode *L = dyn_cast<LoadSDNode>(*U))
for (SDNode *U : getEntryNode().getNode()->uses())
if (LoadSDNode *L = dyn_cast<LoadSDNode>(U))
if (FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(L->getBasePtr()))
if (FI->getIndex() < 0)
ArgChains.push_back(SDValue(L, 1));
@ -10158,8 +10157,7 @@ bool SDNode::hasAnyUseOfValue(unsigned Value) const {
/// isOnlyUserOf - Return true if this node is the only use of N.
bool SDNode::isOnlyUserOf(const SDNode *N) const {
bool Seen = false;
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
SDNode *User = *I;
for (const SDNode *User : N->uses()) {
if (User == this)
Seen = true;
else
@ -10172,8 +10170,7 @@ bool SDNode::isOnlyUserOf(const SDNode *N) const {
/// Return true if the only users of N are contained in Nodes.
bool SDNode::areOnlyUsersOf(ArrayRef<const SDNode *> Nodes, const SDNode *N) {
bool Seen = false;
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
SDNode *User = *I;
for (const SDNode *User : N->uses()) {
if (llvm::is_contained(Nodes, User))
Seen = true;
else