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Start checking from the root of the matched sub-tree.
author
Evan Cheng
<evan.cheng@apple.com>
Sat, 14 Oct 2006 08:30:53 +0000
(08:30 +0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Sat, 14 Oct 2006 08:30:53 +0000
(08:30 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30957
91177308
-0d34-0410-b5e6-
96231b3b80d8
include/llvm/CodeGen/SelectionDAGISel.h
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diff --git
a/include/llvm/CodeGen/SelectionDAGISel.h
b/include/llvm/CodeGen/SelectionDAGISel.h
index
a348aa4
..
f733d96
100644
(file)
--- a/
include/llvm/CodeGen/SelectionDAGISel.h
+++ b/
include/llvm/CodeGen/SelectionDAGISel.h
@@
-71,8
+71,8
@@
public:
}
/// CanBeFoldedBy - Returns true if the specific operand node N of U can be
- /// folded during instruction selection?
- virtual bool CanBeFoldedBy(SDNode *N, SDNode *U
) { return true;
}
+ /// folded during instruction selection
that starts at Root
?
+ virtual bool CanBeFoldedBy(SDNode *N, SDNode *U
, SDNode *Root) { return true;
}
/// CreateTargetHazardRecognizer - Return a newly allocated hazard recognizer
/// to use for this target when scheduling the DAG.