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| author | David Majnemer <david.majnemer@gmail.com> | 2014-08-21 05:14:48 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-08-21 05:14:48 +0000 |
| commit | 5d1aeba2ea7ff1976b85a57d0591b97fd6e33ae0 (patch) | |
| tree | 4a917e6cfc9e503ee389479d231fcd56dae7f6a3 /llvm/lib/Transforms/InstCombine/InstCombine.h | |
| parent | 3ced27c835a1fad3f61a467670505bf1a0b39280 (diff) | |
| download | bcm5719-llvm-5d1aeba2ea7ff1976b85a57d0591b97fd6e33ae0.tar.gz bcm5719-llvm-5d1aeba2ea7ff1976b85a57d0591b97fd6e33ae0.zip | |
InstCombine: Fold ((A | B) & C1) ^ (B & C2) -> (A & C1) ^ B if C1^C2=-1
Adapted from a patch by Richard Smith, test-case written by me.
llvm-svn: 216157
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombine.h')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombine.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombine.h b/llvm/lib/Transforms/InstCombine/InstCombine.h index 9e1cc3cb4d2..c8ed7c2b5a6 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombine.h +++ b/llvm/lib/Transforms/InstCombine/InstCombine.h @@ -152,6 +152,8 @@ public: Value *FoldOrOfFCmps(FCmpInst *LHS, FCmpInst *RHS); Instruction *FoldOrWithConstants(BinaryOperator &I, Value *Op, Value *A, Value *B, Value *C); + Instruction *FoldXorWithConstants(BinaryOperator &I, Value *Op, Value *A, + Value *B, Value *C); Instruction *visitOr(BinaryOperator &I); Instruction *visitXor(BinaryOperator &I); Instruction *visitShl(BinaryOperator &I); |
