handle the case where a node can become ready to process
multiple times due to a RAUW. llvm-svn: 46680
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@ -234,7 +234,8 @@ namespace {
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// Node updates can mean pretty much anything. It is possible that an
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// operand was set to something already processed (f.e.) in which case
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// this node could become ready. Recompoute its flags.
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DTL.ReanalyzeNodeFlags(N);
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if (N->getNodeId() != DAGTypeLegalizer::ReadyToProcess)
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DTL.ReanalyzeNodeFlags(N);
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}
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};
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}
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@ -40,7 +40,7 @@ namespace llvm {
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class VISIBILITY_HIDDEN DAGTypeLegalizer {
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TargetLowering &TLI;
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SelectionDAG &DAG;
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public:
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// NodeIDFlags - This pass uses the NodeID on the SDNodes to hold information
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// about the state of the node. The enum has all the values.
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enum NodeIDFlags {
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@ -57,7 +57,7 @@ class VISIBILITY_HIDDEN DAGTypeLegalizer {
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// 1+ - This is a node which has this many unlegalized operands.
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};
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private:
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enum LegalizeAction {
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Legal, // The target natively supports this type.
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Promote, // This type should be executed in a larger type.
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