Author: lattner
Date: Wed Nov 28 12:44:47 2007
New Revision: 44407
URL: http://llvm.org/viewvc/llvm-project?rev=44407&view=rev
Log:
Implement ExpandOperationResult for ppc i64 fp->int, which fixes
CodeGen/Generic/fp_to_int.ll among others. Its unclear why this
just started failing...
Modified:
llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h
Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=44407&r1=44406&r2=44407&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Wed Nov 28 12:44:47 2007
@@ -2076,6 +2076,7 @@
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 @@
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
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h?rev=44407&r1=44406&r2=44407&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h Wed Nov 28 12:44:47 2007
@@ -248,6 +248,8 @@
/// 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;
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