From 05472ee54bea84f487c6970b741625c3ca410b01 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Tue, 30 Sep 2008 23:58:47 +0000
Subject: [PATCH] Mark merged-in VNInfo's as being PHIKilled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56893 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/StrongPHIElimination.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp
index f6aa44e2346..c277d56f7c9 100644
--- a/lib/CodeGen/StrongPHIElimination.cpp
+++ b/lib/CodeGen/StrongPHIElimination.cpp
@@ -977,6 +977,11 @@ bool StrongPHIElimination::runOnMachineFunction(MachineFunction &Fn) {
         }
       }
       
+      LiveInterval& Int = LI.getOrCreateInterval(I->first);
+      const LiveRange* LR =
+                       Int.getLiveRangeContaining(LI.getMBBEndIdx(SI->second));
+      LR->valno->hasPHIKill = true;
+      
       I->second.erase(SI->first);
     }