Don't advance the hazard recognizer when there are no hazards and no instructions
to be emitted.

Don't add one to the latency of a completed instruction if the latency of the
op is 0.

llvm-svn: 26718
1 file changed
tree: 5c4ebfef0dbf41aa86e7d5219e5844a3685776a3
  1. llvm/