Normalize MBB's successors' probabilities in several locations.
This patch adds some missing calls to MBB::normalizeSuccProbs() in several
locations where it should be called. Those places are found by checking if the
sum of successors' probabilities is approximate one in MachineBlockPlacement
pass with some instrumented code (not in this patch).
Differential revision: http://reviews.llvm.org/D15259
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255455 91177308-0d34-0410-b5e6-96231b3b80d8
12 files changed