From: Brian Gaeke <gaeke@uiuc.edu>
Date: Tue, 24 Aug 2004 06:41:39 +0000 (+0000)
Subject: Fix bug in PhyRegAlloc::setCallInterferences() handling call through a
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f1b7eb145e5376ee46b95040d1ec09a4c98ed1bc;p=oota-llvm.git

Fix bug in PhyRegAlloc::setCallInterferences() handling call through a
null pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16013 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp b/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
index 02f18fc7389..bbbaee8822c 100644
--- a/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
@@ -204,8 +204,9 @@ void PhyRegAlloc::setCallInterferences(const MachineInstr *MInst,
   // That has a call interference because it conflicts with outgoing args.
   if (const Value *AddrVal = argDesc->getIndirectFuncPtr()) {
     LiveRange *AddrValLR = LRI->getLiveRangeForValue( AddrVal );
-    assert( AddrValLR && "No LR for indirect addr val of call");
-    AddrValLR->setCallInterference();
+    // LR can be null if the function pointer is a constant.
+    if (AddrValLR) 
+      AddrValLR->setCallInterference();
   }
 }