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Implement ExpandOperationResult for ppc i64 fp->int, which fixes

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CodeGen/Generic/fp_to_int.ll among others.  Its unclear why this 
just started failing...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44407 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-11-28 18:44:47 +00:00
parent 5e037fce2b
commit 1f87300326
2 changed files with 11 additions and 0 deletions
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9
lib/Target/PowerPC/PPCISelLowering.cpp
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@ -2076,6 +2076,7 @@ static SDOperand LowerSELECT_CC(SDOperand Op, SelectionDAG &DAG) {
return SDOperand();
}
// FIXME: Split this code up when LegalizeDAGTypes lands.
static SDOperand LowerFP_TO_SINT(SDOperand Op, SelectionDAG &DAG) {
assert(MVT::isFloatingPoint(Op.getOperand(0).getValueType()));
SDOperand Src = Op.getOperand(0);
@ -3042,6 +3043,14 @@ SDOperand PPCTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) {
return SDOperand();
}
SDNode *PPCTargetLowering::ExpandOperationResult(SDNode *N, SelectionDAG &DAG) {
switch (N->getOpcode()) {
default: assert(0 && "Wasn't expecting to be able to lower this!");
case ISD::FP_TO_SINT: return LowerFP_TO_SINT(SDOperand(N, 0), DAG).Val;
}
}
//===----------------------------------------------------------------------===//
// Other Lowering Code
//===----------------------------------------------------------------------===//

2
lib/Target/PowerPC/PPCISelLowering.h
View File

@ -248,6 +248,8 @@ namespace llvm {
/// LowerOperation - Provide custom lowering hooks for some operations.
///
virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG);
virtual SDNode *ExpandOperationResult(SDNode *N, SelectionDAG &DAG);
virtual SDOperand PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;