Initialise an empty solution.

Sort call targets in descending order of call frequency.

given internal insn id, return public instruction info

Split the vector with EXTRACT_SUBVECTOR and return the low/high part.

Split the node's operand with EXTRACT_SUBVECTOR and return the low/high part.

Create a SrcValue for a general value.

Default constructor.

Constructs a new SubRange object.

Returns true if the first specified predicate subsumes the second, e.g. GE subsumes GT.

begin iterator

Create a SuperRegClassIterator that visits all the super-register classes of RC. When IncludeSelf is set, also include the (0, sub-classes) entry.

given internal insn id, return public instruction info

We intend this to be unique per-compilation, thus no copies.