[PATCH] D11696: [x86] machine combiner reassociation: mark EFLAGS operand as 'dead'

[Gerolf Hoflehner]

Gerolf added a subscriber: Gerolf.
Gerolf added a comment.

Why would reassociation result in dead eflags again? Because it can kick-in only when eflags are dead before reassoc, so they must be dead after? The comment should be clear about why setting the attribute is correct.

-Gerolf


http://reviews.llvm.org/D11696