[PATCH] D51350: CodeGen: Make computeRegisterLiveness search forward first

[Matthias Braun via Phabricator via llvm-commits]

MatzeB accepted this revision.
MatzeB added a comment.
This revision is now accepted and ready to land.

This change LGTM and should be committed.

Though reading the code I think there is a pre-existing bug hiding: The live-outs for return blocks is not the union of the successor live-ins but the callee saved registers (see for example the code in LivePhysRegs/LiveRegUnits dealing with this)...


https://reviews.llvm.org/D51350