BranchRelaxation: Unique live ins when creating block

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284018 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/BranchRelaxation.cpp b/lib/CodeGen/BranchRelaxation.cpp
index 1d76831d04a49d3ed91d5c6ea760d5371fc42f65..a36906540a28a6fa91725a9a34620c5e11715d4e 100644 (file)
--- a/lib/CodeGen/BranchRelaxation.cpp
+++ b/lib/CodeGen/BranchRelaxation.cpp
@@ -379,6 +379,7 @@ bool BranchRelaxation::fixupUnconditionalBranch(MachineInstr &MI) {
         BranchBB->addLiveIn(LiveIn);
     }
 
+    BranchBB->sortUniqueLiveIns();
     BranchBB->addSuccessor(DestBB);
     MBB->replaceSuccessor(DestBB, BranchBB);
   }