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| author | Guozhi Wei <carrot@google.com> | 2016-03-17 18:47:20 +0000 |
|---|---|---|
| committer | Guozhi Wei <carrot@google.com> | 2016-03-17 18:47:20 +0000 |
| commit | 7b390ec4cde7b4d1dc05a55412f53010ef16dfff (patch) | |
| tree | f97544f513b5ff23970a67df0da3fb01103f656a /llvm/lib/Transforms/InstCombine/InstCombineInternal.h | |
| parent | c9058ca9e0da946ea19f332c48a1406e6c2f4985 (diff) | |
| download | bcm5719-llvm-7b390ec4cde7b4d1dc05a55412f53010ef16dfff.tar.gz bcm5719-llvm-7b390ec4cde7b4d1dc05a55412f53010ef16dfff.zip | |
[InstCombine] Combine A->B->A BitCast
This patch enhances InstCombine to handle following case:
A -> B bitcast
PHI
B -> A bitcast
llvm-svn: 263734
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineInternal.h')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineInternal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h index 3bb50baa663..b1e3881c75f 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h +++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h @@ -394,6 +394,7 @@ private: Instruction *scalarizePHI(ExtractElementInst &EI, PHINode *PN); Value *EvaluateInDifferentElementOrder(Value *V, ArrayRef<int> Mask); Instruction *foldCastedBitwiseLogic(BinaryOperator &I); + Instruction *optimizeBitCastFromPhi(CastInst &CI, PHINode *PN); public: /// \brief Inserts an instruction \p New before instruction \p Old |
