matchSimpleRecurrence overloads

Synopses

Declared in <llvm/Analysis/ValueTracking.h>

Analogous to the above, but starting from the binary operator

bool
matchSimpleRecurrence(
    BinaryOperator const* I,
    PHINode*& P,
    Value*& Start,
    Value*& Step);

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Attempt to match a simple first order recurrence cycle of the form: %iv = phi Ty [%Start, %Entry], [%Inc, %backedge] %inc = binop %iv, %step OR %iv = phi Ty [%Start, %Entry], [%Inc, %backedge] %inc = binop %step, %iv

bool
matchSimpleRecurrence(
    PHINode const* P,
    BinaryOperator*& BO,
    Value*& Start,
    Value*& Step);

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