[llvm-commits] [llvm] r44407 - in /llvm/trunk/lib/Target/PowerPC: PPCISelLowering.cpp PPCISelLowering.h

[Chris Lattner]

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;