Constify the Type parameter to some methods (which are const anyway).

[oota-llvm.git] / include / llvm / Target / TargetSelectionDAG.td

diff --git a/include/llvm/Target/TargetSelectionDAG.td b/include/llvm/Target/TargetSelectionDAG.td
index 5f069801a6d4ad20bc611f599b097a2b99a53a8f..3f81c06bc0b65876fe2a6df600fe9cb2ee383d95 100644 (file)
--- a/include/llvm/Target/TargetSelectionDAG.td
+++ b/include/llvm/Target/TargetSelectionDAG.td
@@ -411,6 +411,9 @@ def prefetch   : SDNode<"ISD::PREFETCH"   , SDTPrefetch,
                         [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
                          SDNPMemOperand]>;
 
+def readcyclecounter : SDNode<"ISD::READCYCLECOUNTER", SDTIntLeaf,
+                     [SDNPHasChain, SDNPSideEffect]>;
+
 def membarrier : SDNode<"ISD::MEMBARRIER" , SDTMemBarrier,
                         [SDNPHasChain, SDNPSideEffect]>;
 
@@ -595,6 +598,13 @@ def not  : PatFrag<(ops node:$in), (xor node:$in, -1)>;
 def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>;
 def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
 
+// null_frag - The null pattern operator is used in multiclass instantiations
+// which accept an SDPatternOperator for use in matching patterns for internal
+// definitions. When expanding a pattern, if the null fragment is referenced
+// in the expansion, the pattern is discarded and it is as-if '[]' had been
+// specified. This allows multiclasses to have the isel patterns be optional.
+def null_frag : SDPatternOperator;
+
 // load fragments.
 def unindexedload : PatFrag<(ops node:$ptr), (ld node:$ptr), [{
   return cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;