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Allow custom lowered FP_TO_SINT ops in the check for whether a larger

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FP_TO_SINT is preferred to a larger FP_TO_UINT.  This seems to be begging
for a TLI.isOperationCustom() helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23992 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2005-10-25 23:47:25 +00:00
parent 6e61ca6fa7
commit b7f6ef12f6
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -2266,7 +2266,8 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
// legal, such as PowerPC.
if (Node->getOpcode() == ISD::FP_TO_UINT &&
!TLI.isOperationLegal(ISD::FP_TO_UINT, NVT) &&
TLI.isOperationLegal(ISD::FP_TO_SINT, NVT)) {
(TLI.isOperationLegal(ISD::FP_TO_SINT, NVT) ||
TLI.getOperationAction(ISD::FP_TO_SINT, NVT)==TargetLowering::Custom)){
Result = DAG.getNode(ISD::FP_TO_SINT, NVT, Tmp1);
} else {
Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1);