1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp
index d5758da..d65916f 100644
--- a/llvm/lib/CodeGen/MachineBasicBlock.cpp
+++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp
@@ -42,6 +42,8 @@ using namespace llvm;
 MachineBasicBlock::MachineBasicBlock(MachineFunction &MF, const BasicBlock *B)
     : BB(B), Number(-1), xParent(&MF) {
   Insts.Parent = this;
+  if (B)
+    IrrLoopHeaderWeight = B->getIrrLoopHeaderWeight();
 }
 
 MachineBasicBlock::~MachineBasicBlock() {
@@ -338,6 +340,12 @@ void MachineBasicBlock::print(raw_ostream &OS, ModuleSlotTracker &MST,
     }
     OS << '\n';
   }
+  if (IrrLoopHeaderWeight) {
+    if (Indexes) OS << '\t';
+    OS << "    Irreducible loop header weight: "
+       << IrrLoopHeaderWeight.getValue();
+    OS << '\n';
+  }
 }
 
 void MachineBasicBlock::printAsOperand(raw_ostream &OS,