Non-functional change: make custom lowering for truncate stylistically

consistent with the way it's generally done in other places.

llvm-svn: 60439
This commit is contained in:
Scott Michel 2008-12-02 19:55:08 +00:00
parent 7364025ff8
commit 9b0b28e021
1 changed files with 12 additions and 5 deletions

View File

@ -3903,13 +3903,20 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
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 TRUNCATE legalization operation action!");
case TargetLowering::Custom:
isCustom = true;
// FALLTHROUGH
case TargetLowering::Legal:
Result = DAG.UpdateNodeOperands(Result, Tmp1);
if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) ==
TargetLowering::Custom) {
if (isCustom) {
Tmp1 = TLI.LowerOperation(Result, DAG);
if (Tmp1.getNode()) Result = Tmp1;
}
break;
}
break;
case Expand:
ExpandOp(Node->getOperand(0), Tmp1, Tmp2);