commit 298bbe82cb390235f7b8ab4bd550feff909e0c3d
author Evan Cheng <evan.cheng@apple.com> Sat Feb 23 02:14:42 2008 +0000
committer Evan Cheng <evan.cheng@apple.com> Sat Feb 23 02:14:42 2008 +0000
tree f04e593caec27f8d6cff3b5196c60b154039c170
parent 18924f11c13770217130c95088fc52b263a1276e

If remating a machine instr with virtual register operand, make sure the vr is avaliable at all uses regardless of whether it would be folded.

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

lib/CodeGen/LiveIntervalAnalysis.cpp

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index f1de4d1..a18f36a 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -680,8 +680,7 @@
         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;
       }
     }