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If a PredicateOperand has an empty ExecuteAlways field, treat it as if a normal operand for isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36946 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -775,8 +775,10 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
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Record *OperandNode = Inst.getOperand(i);
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// If the instruction expects a predicate operand, we codegen this by
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// setting the predicate to it's "execute always" value.
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if (OperandNode->isSubClassOf("PredicateOperand"))
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// setting the predicate to it's "execute always" value if it has a
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// non-empty ExecuteAlways field.
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if (OperandNode->isSubClassOf("PredicateOperand") &&
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!ISE.getPredicateOperand(OperandNode).AlwaysOps.empty())
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continue;
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// Verify that we didn't run out of provided operands.
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@ -2801,8 +2803,11 @@ public:
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InstOpNo != II.OperandList.size(); ++InstOpNo) {
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std::vector<std::string> Ops;
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// If this is a normal operand, emit it.
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if (!II.OperandList[InstOpNo].Rec->isSubClassOf("PredicateOperand")) {
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// If this is a normal operand or a predicate operand without
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// 'execute always', emit it.
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Record *OperandNode = II.OperandList[InstOpNo].Rec;
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if (!OperandNode->isSubClassOf("PredicateOperand") ||
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ISE.getPredicateOperand(OperandNode).AlwaysOps.empty()) {
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Ops = EmitResultCode(N->getChild(ChildNo), RetSelected,
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InFlagDecled, ResNodeDecled);
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AllOps.insert(AllOps.end(), Ops.begin(), Ops.end());
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