Add blocks to the LiveIntervalAnalysis RegMaskBlocks array when splitting

a critical edge.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174936 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 3c6a2be94f..b6cc111b73 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -214,6 +214,13 @@ namespace llvm {
       return Indexes->getMBBFromIndex(index);
     }
 
+    void insertMBBInMaps(MachineBasicBlock *MBB) {
+      Indexes->insertMBBInMaps(MBB);
+      assert(unsigned(MBB->getNumber()) == RegMaskBlocks.size() &&
+             "Blocks must be added in order.");
+      RegMaskBlocks.push_back(std::make_pair(MBB->getNumber(), 0));
+    }
+
     SlotIndex InsertMachineInstrInMaps(MachineInstr *MI) {
       return Indexes->insertMachineInstrInMaps(MI);
     }