Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.419 -> 1.420
---
Log message:
Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be
expanded).
---
Diffs of the changes: (+10 -2)
LegalizeDAG.cpp | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.419
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.420
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.419 Mon Nov 27 19:03:30 2006
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Wed Nov 29 02:26:18 2006
@@ -1847,11 +1847,19 @@
case ISD::READCYCLECOUNTER:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain
Result = DAG.UpdateNodeOperands(Result, Tmp1);
+ switch (TLI.getOperationAction(ISD::READCYCLECOUNTER,
+ Node->getValueType(0))) {
+ default: assert(0 && "This action is not supported yet!");
+ case TargetLowering::Legal: break;
+ case TargetLowering::Custom:
+ Result = TLI.LowerOperation(Result, DAG);
+ break;
+ }
// Since rdcc produce two values, make sure to remember that we legalized
// both of them.
- AddLegalizedOperand(SDOperand(Node, 0), Result.getValue(0));
- AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1));
+ AddLegalizedOperand(SDOperand(Node, 0), LegalizeOp(Result.getValue(0)));
+ AddLegalizedOperand(SDOperand(Node, 1), LegalizeOp(Result.getValue(1)));
return Result;
case ISD::SELECT:
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