Support: Simplify BranchProbability operators

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207541 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/BranchProbability.h b/include/llvm/Support/BranchProbability.h
index eedf69247ef5d6fbd5ce7705ff944cea6006cca2..bf6b01defadbd8d2f50609470b717fd355fc9774 100644 (file)
--- a/include/llvm/Support/BranchProbability.h
+++ b/include/llvm/Support/BranchProbability.h
@@ -59,15 +59,9 @@ public:
   bool operator<(BranchProbability RHS) const {
     return (uint64_t)N * RHS.D < (uint64_t)D * RHS.N;
   }
-  bool operator>(BranchProbability RHS) const {
-    return RHS < *this;
-  }
-  bool operator<=(BranchProbability RHS) const {
-    return (uint64_t)N * RHS.D <= (uint64_t)D * RHS.N;
-  }
-  bool operator>=(BranchProbability RHS) const {
-    return RHS <= *this;
-  }
+  bool operator>(BranchProbability RHS) const { return RHS < *this; }
+  bool operator<=(BranchProbability RHS) const { return !(RHS < *this); }
+  bool operator>=(BranchProbability RHS) const { return !(*this < RHS); }
 };
 
 raw_ostream &operator<<(raw_ostream &OS, const BranchProbability &Prob);