From 379682b0e51c21d6ebb364f9d5f0f0b4008a07e8 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Sat, 23 Feb 2008 02:14:42 +0000
Subject: [PATCH] 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.

llvm-svn: 47526
---
 llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index f1de4d184efa..a18f36afb7f6 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/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;
       }
     }