41412aaa70
Performs the following optimization:
b = COND
while (true) {
if (b)
BRANCH (contains no continue to loop)
else
LOOP
}
==>
b = COND
if (b)
BRANCH
else
while (true)
LOOP
BUG=
R=sra@google.com
Review URL: https://codereview.chromium.org/1573693002 .