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Allow targets to have custom expanders for FP_TO_*INT conversions where

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both the src and dest values are legal


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22555 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-07-30 00:04:12 +00:00
parent a00269bc3e
commit f1fa74ee0d
1 changed files with 9 additions and 3 deletions
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12
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -1570,21 +1570,27 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
case ISD::FP_TO_UINT: case ISD::FP_TO_UINT:
switch (getTypeAction(Node->getOperand(0).getValueType())) { switch (getTypeAction(Node->getOperand(0).getValueType())) {
case Legal: case Legal:
Tmp1 = LegalizeOp(Node->getOperand(0));
switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))){ switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))){
default: assert(0 && "Unknown operation action!"); default: assert(0 && "Unknown operation action!");
case TargetLowering::Expand: case TargetLowering::Expand:
assert(0 && "Cannot expand FP_TO*INT yet"); assert(0 && "Cannot expand FP_TO*INT yet");
case TargetLowering::Promote: case TargetLowering::Promote:
Result = PromoteLegalFP_TO_INT(LegalizeOp(Node->getOperand(0)), Result = PromoteLegalFP_TO_INT(Tmp1, Node->getValueType(0),
Node->getValueType(0),
Node->getOpcode() == ISD::FP_TO_SINT); Node->getOpcode() == ISD::FP_TO_SINT);
AddLegalizedOperand(Op, Result); AddLegalizedOperand(Op, Result);
return Result; return Result;
case TargetLowering::Legal: case TargetLowering::Legal:
break; 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)) if (Tmp1 != Node->getOperand(0))
Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1); Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1);
break; break;