Remove check for an impossible condition: the condition of the while loop has

already checked that TmpBB->getSinglePredecessor() is non-null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94451 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index b29fe74b1ec7e6cf1b44042d940252daebc61dec..292a4b311ddd5ed3ecb2c9aebb99a41c649e355f 100644 (file)
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1522,8 +1522,6 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
   while (TmpBB->getSinglePredecessor()) {
     isSinglePred = true;
     TmpBB = TmpBB->getSinglePredecessor();
-    if (!TmpBB) // If haven't found any, bail now.
-      return false;
     if (TmpBB == LoadBB) // Infinite (unreachable) loop.
       return false;
     if (Blockers.count(TmpBB))