diff options
Diffstat (limited to 'llvm/lib/Support/BranchProbability.cpp')
| -rw-r--r-- | llvm/lib/Support/BranchProbability.cpp | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/llvm/lib/Support/BranchProbability.cpp b/llvm/lib/Support/BranchProbability.cpp index d93d9cf..60d5478 100644 --- a/llvm/lib/Support/BranchProbability.cpp +++ b/llvm/lib/Support/BranchProbability.cpp @@ -19,20 +19,6 @@ using namespace llvm; -// These default values are chosen to represent an extremely skewed outcome for -// a condition, but they leave some room for interpretation by later passes. -// -// If the documentation for __builtin_expect() was made explicit that it should -// only be used in extreme cases, we could make this ratio higher. As it stands, -// programmers may be using __builtin_expect() / llvm.expect to annotate that a -// branch is only mildly likely or unlikely to be taken. -cl::opt<uint32_t> llvm::LikelyBranchWeight( - "likely-branch-weight", cl::Hidden, cl::init(2000), - cl::desc("Weight of the branch likely to be taken (default = 2000)")); -cl::opt<uint32_t> llvm::UnlikelyBranchWeight( - "unlikely-branch-weight", cl::Hidden, cl::init(1), - cl::desc("Weight of the branch unlikely to be taken (default = 1)")); - constexpr uint32_t BranchProbability::D; raw_ostream &BranchProbability::print(raw_ostream &OS) const { |