Now that we have comparison on probabilities, add some static functions

[oota-llvm.git] / include / llvm / Support / BranchProbability.h

diff --git a/include/llvm/Support/BranchProbability.h b/include/llvm/Support/BranchProbability.h
index a1e5ceb6255b8e976c52a100e845cf654cbe442d..6b83159de6b8f05a6426efa33763b7c4eabc518b 100644 (file)
--- a/include/llvm/Support/BranchProbability.h
+++ b/include/llvm/Support/BranchProbability.h
@@ -39,6 +39,9 @@ public:
     assert(n <= d && "Probability cannot be bigger than 1!");
   }
 
+  static BranchProbability getZero() { return BranchProbability(0, 1); }
+  static BranchProbability getOne() { return BranchProbability(1, 1); }
+
   uint32_t getNumerator() const { return N; }
   uint32_t getDenominator() const { return D; }