[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Nate Begeman]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

SelectionDAGISel.cpp updated: 1.100 -> 1.101
---
Log message:

Split out the shift code from visitBinary.


---
Diffs of the changes:  (+14 -7)

 SelectionDAGISel.cpp |   21 ++++++++++++++-------
 1 files changed, 14 insertions(+), 7 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.100 
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.101
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.100    Wed Nov 16 
01:22:30 2005
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp  Fri Nov 18 01:42:56 2005
@@ -347,7 +347,8 @@
   void visitUnwind(UnwindInst &I) { assert(0 && "TODO"); }
 
   //
-  void visitBinary(User &I, unsigned Opcode, bool isShift = false);
+  void visitBinary(User &I, unsigned Opcode);
+  void visitShift(User &I, unsigned Opcode);
   void visitAdd(User &I) {
     visitBinary(I, I.getType()->isFloatingPoint() ? ISD::FADD : ISD::ADD);
   }
@@ -380,9 +381,9 @@
   void visitAnd(User &I) { visitBinary(I, ISD::AND); }
   void visitOr (User &I) { visitBinary(I, ISD::OR); }
   void visitXor(User &I) { visitBinary(I, ISD::XOR); }
-  void visitShl(User &I) { visitBinary(I, ISD::SHL, true); }
-  void visitShr(User &I) {
-    visitBinary(I, I.getType()->isUnsigned() ? ISD::SRL : ISD::SRA, true);
+  void visitShl(User &I) { visitShift(I, ISD::SHL); }
+  void visitShr(User &I) { 
+    visitShift(I, I.getType()->isUnsigned() ? ISD::SRL : ISD::SRA);
   }
 
   void visitSetCC(User &I, ISD::CondCode SignedOpc, ISD::CondCode UnsignedOpc);
@@ -520,13 +521,19 @@
   }
 }
 
-void SelectionDAGLowering::visitBinary(User &I, unsigned Opcode, bool isShift) 
{
+void SelectionDAGLowering::visitBinary(User &I, unsigned Opcode) {
   SDOperand Op1 = getValue(I.getOperand(0));
   SDOperand Op2 = getValue(I.getOperand(1));
 
-  if (isShift)
-    Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2);
+  setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2));
+}
 
+void SelectionDAGLowering::visitShift(User &I, unsigned Opcode) {
+  SDOperand Op1 = getValue(I.getOperand(0));
+  SDOperand Op2 = getValue(I.getOperand(1));
+  
+  Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2);
+  
   setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2));
 }
 



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