cleanups to the ValueTypeActions interface
llvm-svn: 25785
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@ -41,18 +41,16 @@ class SelectionDAGLegalize {
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TargetLowering &TLI;
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SelectionDAG &DAG;
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/// LegalizeAction - This enum indicates what action we should take for each
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/// value type the can occur in the program.
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enum LegalizeAction {
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Legal, // The target natively supports this value type.
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Promote, // This should be promoted to the next larger type.
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Expand, // This integer type should be broken into smaller pieces.
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Legal, // The target natively supports this operation.
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Promote, // This operation should be executed in a larger type.
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Expand, // Try to expand this to other ops, otherwise use a libcall.
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};
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/// ValueTypeActions - This is a bitvector that contains two bits for each
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/// value type, where the two bits correspond to the LegalizeAction enum.
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/// This can be queried with "getTypeAction(VT)".
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unsigned long long ValueTypeActions;
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TargetLowering::ValueTypeActionImpl ValueTypeActions;
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/// LegalizedNodes - For nodes that are of legal width, and that have more
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/// than one use, this map indicates what regularized operand to use. This
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@ -91,7 +89,7 @@ public:
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/// it is already legal or we need to expand it into multiple registers of
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/// smaller integer type, or we need to promote it to a larger type.
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LegalizeAction getTypeAction(MVT::ValueType VT) const {
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return (LegalizeAction)((ValueTypeActions >> (2*VT)) & 3);
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return (LegalizeAction)ValueTypeActions.getTypeAction(VT);
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}
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/// isTypeLegal - Return true if this type is legal on this target.
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