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Convert a bunch of loops to foreach. NFC.

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This uses the new SDNode::op_values() iterator range committed in r240805.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240817 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pete Cooper 2015-06-26 19:18:49 +00:00
parent 226505c0a1
commit e0e37a2382
4 changed files with 19 additions and 22 deletions
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2
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -591,7 +591,7 @@ public:
const SDValue &operator*() const { return I->get(); }
};
iterator_range<value_op_iterator> op_values() {
iterator_range<value_op_iterator> op_values() const {
return iterator_range<value_op_iterator>(value_op_iterator(op_begin()),
value_op_iterator(op_end()));
}

3
lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
View File

@ -227,8 +227,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
else if (VT == MVT::Other)
TryUnfold = true;
}
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
const SDValue &Op = N->getOperand(i);
for (const SDValue &Op : N->op_values()) {
MVT VT = Op.getNode()->getSimpleValueType(Op.getResNo());
if (VT == MVT::Glue)
return nullptr;

30
lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
View File

@ -415,8 +415,8 @@ static bool IsChainDependent(SDNode *Outer, SDNode *Inner,
// to get to the CALLSEQ_BEGIN, but we need to find the path with the
// most nesting in order to ensure that we find the corresponding match.
if (N->getOpcode() == ISD::TokenFactor) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (IsChainDependent(N->getOperand(i).getNode(), Inner, NestLevel, TII))
for (const SDValue &Op : N->op_values())
if (IsChainDependent(Op.getNode(), Inner, NestLevel, TII))
return true;
return false;
}
@ -433,9 +433,9 @@ static bool IsChainDependent(SDNode *Outer, SDNode *Inner,
}
}
// Otherwise, find the chain and continue climbing.
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (N->getOperand(i).getValueType() == MVT::Other) {
N = N->getOperand(i).getNode();
for (const SDValue &Op : N->op_values())
if (Op.getValueType() == MVT::Other) {
N = Op.getNode();
goto found_chain_operand;
}
return false;
@ -464,10 +464,10 @@ FindCallSeqStart(SDNode *N, unsigned &NestLevel, unsigned &MaxNest,
if (N->getOpcode() == ISD::TokenFactor) {
SDNode *Best = nullptr;
unsigned BestMaxNest = MaxNest;
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
for (const SDValue &Op : N->op_values()) {
unsigned MyNestLevel = NestLevel;
unsigned MyMaxNest = MaxNest;
if (SDNode *New = FindCallSeqStart(N->getOperand(i).getNode(),
if (SDNode *New = FindCallSeqStart(Op.getNode(),
MyNestLevel, MyMaxNest, TII))
if (!Best || (MyMaxNest > BestMaxNest)) {
Best = New;
@ -493,9 +493,9 @@ FindCallSeqStart(SDNode *N, unsigned &NestLevel, unsigned &MaxNest,
}
}
// Otherwise, find the chain and continue climbing.
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (N->getOperand(i).getValueType() == MVT::Other) {
N = N->getOperand(i).getNode();
for (const SDValue &Op : N->op_values())
if (Op.getValueType() == MVT::Other) {
N = Op.getNode();
goto found_chain_operand;
}
return nullptr;
@ -960,8 +960,7 @@ SUnit *ScheduleDAGRRList::CopyAndMoveSuccessors(SUnit *SU) {
else if (VT == MVT::Other)
TryUnfold = true;
}
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
const SDValue &Op = N->getOperand(i);
for (const SDValue &Op : N->op_values()) {
MVT VT = Op.getNode()->getSimpleValueType(Op.getResNo());
if (VT == MVT::Glue)
return nullptr;
@ -1256,10 +1255,9 @@ static void CheckForLiveRegDefMasked(SUnit *SU, const uint32_t *RegMask,
/// getNodeRegMask - Returns the register mask attached to an SDNode, if any.
static const uint32_t *getNodeRegMask(const SDNode *N) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (const RegisterMaskSDNode *Op =
dyn_cast<RegisterMaskSDNode>(N->getOperand(i).getNode()))
return Op->getRegMask();
for (const SDValue &Op : N->op_values())
if (const auto *RegOp = dyn_cast<RegisterMaskSDNode>(Op.getNode()))
return RegOp->getRegMask();
return nullptr;
}

6
lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
View File

@ -332,9 +332,9 @@ void ScheduleDAGSDNodes::BuildSchedUnits() {
SDNode *NI = Worklist.pop_back_val();
// Add all operands to the worklist unless they've already been added.
for (unsigned i = 0, e = NI->getNumOperands(); i != e; ++i)
if (Visited.insert(NI->getOperand(i).getNode()).second)
Worklist.push_back(NI->getOperand(i).getNode());
for (const SDValue &Op : NI->op_values())
if (Visited.insert(Op.getNode()).second)
Worklist.push_back(Op.getNode());
if (isPassiveNode(NI)) // Leaf node, e.g. a TargetImmediate.
continue;