From 70c8fe5e4e3dfdc2f676b71ba6241bd0891667b2 Mon Sep 17 00:00:00 2001 From: Bob Wilson Date: Mon, 25 Jan 2010 21:28:05 +0000 Subject: [PATCH] Remove check for an impossible condition: the condition of the while loop has already checked that TmpBB->getSinglePredecessor() is non-null. llvm-svn: 94451 --- llvm/lib/Transforms/Scalar/GVN.cpp | 2 -- 1 file changed, 2 deletions(-) diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp index b29fe74b1ec7..292a4b311ddd 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/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))