Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.208 -> 1.209
---
Log message:
Allow targets to custom legalize leaf nodes like GlobalAddress.
---
Diffs of the changes: (+13 -1)
LegalizeDAG.cpp | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletion(-)
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.208
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.209
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.208 Wed Nov 16 23:52:24 2005
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Thu Nov 17 00:41:44 2005
@@ -532,7 +532,19 @@
case ISD::CONDCODE:
case ISD::VALUETYPE:
case ISD::SRCVALUE:
- assert(isTypeLegal(Node->getValueType(0)) && "This must be legal!");
+ switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) {
+ default: assert(0 && "This action is not supported yet!");
+ case TargetLowering::Custom: {
+ SDOperand Tmp = TLI.LowerOperation(Op, DAG);
+ if (Tmp.Val) {
+ Result = LegalizeOp(Tmp);
+ break;
+ }
+ } // FALLTHROUGH if the target doesn't want to lower this op after all.
+ case TargetLowering::Legal:
+ assert(isTypeLegal(Node->getValueType(0)) && "This must be legal!");
+ break;
+ }
break;
case ISD::AssertSext:
case ISD::AssertZext:
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