[PATCH] D30089: [globalisel][tblgen] Add support for ComplexPatterns

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet added a comment.

> What would be the benefit of a placeholder instruction over placeholder operands?

I expect the placeholder reset to be something just a single assignment of the style size of array operand = 0. The operands remain as they are, they are just not accessed. In other words, no constructor call.


https://reviews.llvm.org/D30089