diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
-rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 1d90d2363aa..f4aec9112e7 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -1288,8 +1288,8 @@ static Instruction *foldAndToXor(BinaryOperator &I, // Operand complexity canonicalization guarantees that the 'or' is Op0. // (A | B) & ~(A & B) --> A ^ B // (A | B) & ~(B & A) --> A ^ B - if (match(Op0, m_Or(m_Value(A), m_Value(B))) && - match(Op1, m_Not(m_c_And(m_Specific(A), m_Specific(B))))) + if (match(&I, m_BinOp(m_Or(m_Value(A), m_Value(B)), + m_Not(m_c_And(m_Deferred(A), m_Deferred(B)))))) return BinaryOperator::CreateXor(A, B); // (A | ~B) & (~A | B) --> ~(A ^ B) @@ -1297,8 +1297,8 @@ static Instruction *foldAndToXor(BinaryOperator &I, // (~B | A) & (~A | B) --> ~(A ^ B) // (~B | A) & (B | ~A) --> ~(A ^ B) if (Op0->hasOneUse() || Op1->hasOneUse()) - if (match(Op0, m_c_Or(m_Value(A), m_Not(m_Value(B)))) && - match(Op1, m_c_Or(m_Not(m_Specific(A)), m_Specific(B)))) + if (match(&I, m_BinOp(m_c_Or(m_Value(A), m_Not(m_Value(B))), + m_c_Or(m_Not(m_Deferred(A)), m_Deferred(B))))) return BinaryOperator::CreateNot(Builder.CreateXor(A, B)); return nullptr; @@ -2294,10 +2294,8 @@ static Instruction *foldXorToXor(BinaryOperator &I, // (A & B) ^ (B | A) -> A ^ B // (A | B) ^ (A & B) -> A ^ B // (A | B) ^ (B & A) -> A ^ B - if ((match(Op0, m_And(m_Value(A), m_Value(B))) && - match(Op1, m_c_Or(m_Specific(A), m_Specific(B)))) || - (match(Op0, m_Or(m_Value(A), m_Value(B))) && - match(Op1, m_c_And(m_Specific(A), m_Specific(B))))) { + if (match(&I, m_c_Xor(m_And(m_Value(A), m_Value(B)), + m_c_Or(m_Deferred(A), m_Deferred(B))))) { I.setOperand(0, A); I.setOperand(1, B); return &I; @@ -2307,10 +2305,8 @@ static Instruction *foldXorToXor(BinaryOperator &I, // (~B | A) ^ (~A | B) -> A ^ B // (~A | B) ^ (A | ~B) -> A ^ B // (B | ~A) ^ (A | ~B) -> A ^ B - if ((match(Op0, m_Or(m_Value(A), m_Not(m_Value(B)))) && - match(Op1, m_c_Or(m_Not(m_Specific(A)), m_Specific(B)))) || - (match(Op0, m_Or(m_Not(m_Value(A)), m_Value(B))) && - match(Op1, m_c_Or(m_Specific(A), m_Not(m_Specific(B)))))) { + if (match(&I, m_Xor(m_c_Or(m_Value(A), m_Not(m_Value(B))), + m_c_Or(m_Not(m_Deferred(A)), m_Deferred(B))))) { I.setOperand(0, A); I.setOperand(1, B); return &I; @@ -2320,10 +2316,8 @@ static Instruction *foldXorToXor(BinaryOperator &I, // (~B & A) ^ (~A & B) -> A ^ B // (~A & B) ^ (A & ~B) -> A ^ B // (B & ~A) ^ (A & ~B) -> A ^ B - if ((match(Op0, m_And(m_Value(A), m_Not(m_Value(B)))) && - match(Op1, m_c_And(m_Not(m_Specific(A)), m_Specific(B)))) || - (match(Op0, m_And(m_Not(m_Value(A)), m_Value(B))) && - match(Op1, m_c_And(m_Specific(A), m_Not(m_Specific(B)))))) { + if (match(&I, m_Xor(m_c_And(m_Value(A), m_Not(m_Value(B))), + m_c_And(m_Not(m_Deferred(A)), m_Deferred(B))))) { I.setOperand(0, A); I.setOperand(1, B); return &I; |