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| author | Chris Lattner <sabre@nondot.org> | 2006-04-02 06:26:07 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-02 06:26:07 +0000 |
| commit | c5287c0ece1e6f5b0cc0ee7310d25fd278e24362 (patch) | |
| tree | 80899d38a5ac9c6946ab55ea3d199f44711742fb /llvm/lib/Target/PowerPC/PPCISelLowering.h | |
| parent | 6c1321ca3f9a5805b931b0fc177bbba82246a03e (diff) | |
| download | bcm5719-llvm-c5287c0ece1e6f5b0cc0ee7310d25fd278e24362.tar.gz bcm5719-llvm-c5287c0ece1e6f5b0cc0ee7310d25fd278e24362.zip | |
Inform the dag combiner that the predicate compares only return a low bit.
llvm-svn: 27359
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h index bc865c6cb4b..2fe79ece8c6 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.h +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h @@ -133,6 +133,11 @@ namespace llvm { virtual SDOperand PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; + virtual void computeMaskedBitsForTargetNode(const SDOperand Op, + uint64_t Mask, + uint64_t &KnownZero, + uint64_t &KnownOne, + unsigned Depth = 0) const; /// LowerArguments - This hook must be implemented to indicate how we should /// lower the arguments for the specified function, into the specified DAG. virtual std::vector<SDOperand> |
