If remating a machine instr with virtual register operand, make sure the vr is avalia...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47526 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index f1de4d184efa1b5c0c220840d162a6a29a65bf86..a18f36afb7f6774dc3b6c5b6857536cc9d766bcf 100644 (file)
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -680,8 +680,7 @@ bool LiveIntervals::isReMaterializable(const LiveInterval &li,
         unsigned UseIdx = getInstructionIndex(UseMI);
         if (li.FindLiveRangeContaining(UseIdx)->valno != ValNo)
           continue;
-        if (!canFoldMemoryOperand(UseMI, li.reg) &&
-            !isValNoAvailableAt(ImpLi, MI, UseIdx))
+        if (!isValNoAvailableAt(ImpLi, MI, UseIdx))
           return false;
       }
     }