This commit is in preparation for scf.if support. * `condition` in findValueInReverseUseDefChain takes a Value instead of OpOperand*. * Return a SetVector<Value> instead of a single Value. This SetVector always contains exactly one Value at the moment. Differential Revision: https://reviews.llvm.org/D111928
Multi-Level Intermediate Representation
See https://mlir.llvm.org/ for more information.