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[Hexagon] Use SetVector when queuing nodes to scan in selectVectorConstants

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llvm-svn: 322298
This commit is contained in:
Krzysztof Parzyszek 2018-01-11 17:59:34 +00:00
parent 39bd021dc5
commit bd2b662745
1 changed files with 4 additions and 3 deletions
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7
lib/Target/Hexagon/HexagonISelDAGToDAGHVX.cpp
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@ -11,6 +11,7 @@
#include "HexagonISelDAGToDAG.h"
#include "HexagonISelLowering.h"
#include "HexagonTargetMachine.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/IR/Intrinsics.h"
@ -909,7 +910,7 @@ bool HvxSelector::selectVectorConstants(SDNode *N) {
// selection algorithm is not aware of them. Select them directly
// here.
SmallVector<SDNode*,4> Loads;
SmallVector<SDNode*,16> WorkQ;
SetVector<SDNode*> WorkQ;
// The DAG can change (due to CSE) during selection, so cache all the
// unselected nodes first to avoid traversing a mutating DAG.
@ -925,7 +926,7 @@ bool HvxSelector::selectVectorConstants(SDNode *N) {
return false;
};
WorkQ.push_back(N);
WorkQ.insert(N);
for (unsigned i = 0; i != WorkQ.size(); ++i) {
SDNode *W = WorkQ[i];
if (IsLoadToSelect(W)) {
@ -933,7 +934,7 @@ bool HvxSelector::selectVectorConstants(SDNode *N) {
continue;
}
for (unsigned j = 0, f = W->getNumOperands(); j != f; ++j)
WorkQ.push_back(W->getOperand(j).getNode());
WorkQ.insert(W->getOperand(j).getNode());
}
for (SDNode *L : Loads)