diff options
Diffstat (limited to 'lib/Analysis/BranchProbabilityInfo.cpp')
| -rw-r--r-- | lib/Analysis/BranchProbabilityInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Analysis/BranchProbabilityInfo.cpp b/lib/Analysis/BranchProbabilityInfo.cpp index f9461c0b85..2730ce6c63 100644 --- a/lib/Analysis/BranchProbabilityInfo.cpp +++ b/lib/Analysis/BranchProbabilityInfo.cpp @@ -65,8 +65,9 @@ static const uint32_t UR_TAKEN_WEIGHT = 1; /// /// This is the weight for a branch not being taken toward a block that /// terminates (eventually) in unreachable. Such a branch is essentially never -/// taken. -static const uint32_t UR_NONTAKEN_WEIGHT = 1023; +/// taken. Set the weight to an absurdly high value so that nested loops don't +/// easily subsume it. +static const uint32_t UR_NONTAKEN_WEIGHT = 1024*1024 - 1; static const uint32_t PH_TAKEN_WEIGHT = 20; static const uint32_t PH_NONTAKEN_WEIGHT = 12; |