tree d10f37c2120e797240b3935f1a5eeaf7efdf41da
parent 884dc9ec8cde073c933c18e3340511748c20cc05
author Cherry Zhang <cherryyz@google.com> 1545321225 -0500
committer Cherry Zhang <cherryyz@google.com> 1546008347 +0000

passes: implement clobber-non-live mode

In the statepoint pass implement clobber-non-live mode, which
will insert instructions clobbering all the stack slots that are
considered dead at each statepoint. This is to help debugging
liveness issues.

Change-Id: I96dcf51c3a2b8275cab00468f1aa5997580abe99
Reviewed-on: https://go-review.googlesource.com/c/155498
Reviewed-by: Than McIntosh <thanm@google.com>