[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

Chris Lattner lattner at cs.uiuc.edu
Fri Jul 29 17:04:23 PDT 2005



Changes in directory llvm/lib/CodeGen/SelectionDAG:

LegalizeDAG.cpp updated: 1.147 -> 1.148
---
Log message:

Allow targets to have custom expanders for FP_TO_*INT conversions where
both the src and dest values are legal


---
Diffs of the changes:  (+9 -3)

 LegalizeDAG.cpp |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.147 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.148
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.147	Thu Jul 28 19:33:32 2005
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp	Fri Jul 29 19:04:12 2005
@@ -1570,21 +1570,27 @@
   case ISD::FP_TO_UINT:
     switch (getTypeAction(Node->getOperand(0).getValueType())) {
     case Legal:
+      Tmp1 = LegalizeOp(Node->getOperand(0));
+
       switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))){
       default: assert(0 && "Unknown operation action!");
       case TargetLowering::Expand:
         assert(0 && "Cannot expand FP_TO*INT yet");
       case TargetLowering::Promote:
-        Result = PromoteLegalFP_TO_INT(LegalizeOp(Node->getOperand(0)),
-                                       Node->getValueType(0),
+        Result = PromoteLegalFP_TO_INT(Tmp1, Node->getValueType(0),
                                        Node->getOpcode() == ISD::FP_TO_SINT);
         AddLegalizedOperand(Op, Result);
         return Result;
       case TargetLowering::Legal:
         break;
+      case TargetLowering::Custom:
+        Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1);
+        Result = TLI.LowerOperation(Result, DAG);
+        AddLegalizedOperand(Op, Result);
+        NeedsAnotherIteration = true;
+        return Result;
       }
      
-      Tmp1 = LegalizeOp(Node->getOperand(0));
       if (Tmp1 != Node->getOperand(0))
         Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1);
       break;






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