When a physreg is live-in and live through a basic block, make sure its live

range covers the entire block.

The live range can't be terminated at a random instruction.

llvm-svn: 130619

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 19bb7e34d25..9257191f7fc 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -638,7 +638,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
       end = MIIdx.getStoreIndex();
     } else {
       DEBUG(dbgs() << " live through");
-      end = baseIndex;
+      end = getMBBEndIdx(MBB);
     }
   }