Changes in directory llvm/include/llvm/CodeGen:
SelectionDAGISel.h updated: 1.18 -> 1.19
---
Log message:
Let each target specific isel provide routine to check if a chain producing
node is foldable by another.
---
Diffs of the changes: (+5 -1)
SelectionDAGISel.h | 6 +++++-
1 files changed, 5 insertions(+), 1 deletion(-)
Index: llvm/include/llvm/CodeGen/SelectionDAGISel.h
diff -u llvm/include/llvm/CodeGen/SelectionDAGISel.h:1.18
llvm/include/llvm/CodeGen/SelectionDAGISel.h:1.19
--- llvm/include/llvm/CodeGen/SelectionDAGISel.h:1.18 Sun May 7 20:33:11 2006
+++ llvm/include/llvm/CodeGen/SelectionDAGISel.h Thu Jul 27 01:36:49 2006
@@ -62,6 +62,10 @@
SelectionDAG &DAG) {
return true;
}
+
+ /// IsFoldableBy - Returns true if the specific operand node N of U can be
+ /// folded during instruction selection?
+ virtual bool IsFoldableBy(SDNode *N, SDNode *U) { return true; }
/// CreateTargetHazardRecognizer - Return a newly allocated hazard recognizer
/// to use for this target when scheduling the DAG.
@@ -111,7 +115,7 @@
/// by tblgen. Others should not call it.
void SelectInlineAsmMemoryOperands(std::vector<SDOperand> &Ops,
SelectionDAG &DAG);
-
+
private:
SDOperand CopyValueToVirtualRegister(SelectionDAGLowering &SDL,
Value *V, unsigned Reg);
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