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Factor out cycle-finder code and make it generic.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71241 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2009-05-08 18:51:58 +00:00
parent d34167a4ab
commit c1c6ef8f74
3 changed files with 120 additions and 110 deletions
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6
include/llvm/CodeGen/SelectionDAGISel.h
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@@ -88,10 +88,8 @@ public:
/// U can be folded during instruction selection that starts at Root and
/// folding N is profitable.
virtual
bool IsLegalAndProfitableToFold(SDNode *N, SDNode *U, SDNode *Root) const {
return true;
}
bool IsLegalAndProfitableToFold(SDNode *N, SDNode *U, SDNode *Root) const;
/// CreateTargetHazardRecognizer - Return a newly allocated hazard recognizer
/// to use for this target when scheduling the DAG.
virtual ScheduleHazardRecognizer *CreateTargetHazardRecognizer();