[PATCH] D15344: [WebAssembly] Implement prolog/epilog insertion and FrameIndex elimination

[Derek Schuff via llvm-commits]

dschuff added a comment.

Based on the current state of the discussion, either supporting virtual registers after RA or switching to physical registers will be a longer-term proposition. So I've included a modified PEI pass for WebAssembly and reverted the changes to the target-independent one (similarly to NVPTX) to allow us to make progress for now.


http://reviews.llvm.org/D15344