Minor code simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86641 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index baea964..b094eef 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -600,7 +600,7 @@
// Walk through equivalence sets looking for actual exact matches.
while (MergePotentials.size() > 1) {
- unsigned CurHash = prior(MergePotentials.end())->first;
+ unsigned CurHash = MergePotentials.back().first;
// Build SameTails, identifying the set of blocks with this hash code
// and with the maximum number of instructions in common.