commit 4200f2c815159e939351d5d447f7f68fb557e600
author Chris Lattner <sabre@nondot.org> Sat Oct 31 20:13:24 2009 +0000
committer Chris Lattner <sabre@nondot.org> Sat Oct 31 20:13:24 2009 +0000
tree fc2ae649b0f036d8ad53661a318ae6e9bc43d57f
parent 7bc5f36e65090bc44026333e2966b720d0747a0d

adjust a couple xforms to work with null bb's in BlockAddress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85680 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/GlobalOpt.cpp

diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 49e9683..9495100 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -2345,8 +2345,7 @@
         Value *Val = getVal(Values, IBI->getAddress())->stripPointerCasts();
         if (BlockAddress *BA = dyn_cast<BlockAddress>(Val))
           NewBB = BA->getBasicBlock();
-        else
-          return false;  // Cannot determine.
+        if (NewBB == 0) return false;  // Cannot determine.
       } else if (ReturnInst *RI = dyn_cast<ReturnInst>(CurInst)) {
         if (RI->getNumOperands())
           RetVal = getVal(Values, RI->getOperand(0));