[llvm-commits] CVS: llvm/include/llvm/CodeGen/SelectionDAG.h

[Chris Lattner]

Changes in directory llvm/include/llvm/CodeGen:

SelectionDAG.h updated: 1.97 -> 1.98
---
Log message:

Add a method


---
Diffs of the changes:  (+12 -0)

 SelectionDAG.h |   12 ++++++++++++
 1 files changed, 12 insertions(+)


Index: llvm/include/llvm/CodeGen/SelectionDAG.h
diff -u llvm/include/llvm/CodeGen/SelectionDAG.h:1.97 llvm/include/llvm/CodeGen/SelectionDAG.h:1.98
--- llvm/include/llvm/CodeGen/SelectionDAG.h:1.97	Thu Feb  9 16:11:03 2006
+++ llvm/include/llvm/CodeGen/SelectionDAG.h	Mon Feb 13 02:54:46 2006
@@ -196,6 +196,18 @@
   /// getZeroExtendInReg - Return the expression required to zero extend the Op
   /// value assuming it was the smaller SrcTy value.
   SDOperand getZeroExtendInReg(SDOperand Op, MVT::ValueType SrcTy);
+  
+  /// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
+  /// a flag result (to ensure it's not CSE'd).
+  SDOperand getCALLSEQ_START(SDOperand Chain, SDOperand Op) {
+    std::vector<MVT::ValueType> ResultTys;
+    ResultTys.push_back(MVT::Other);
+    ResultTys.push_back(MVT::Flag);
+    std::vector<SDOperand> Ops;
+    Ops.push_back(Chain);
+    Ops.push_back(Op);
+    return getNode(ISD::CALLSEQ_START, ResultTys, Ops);
+  }
 
   /// getNode - Gets or creates the specified node.
   ///