From a026266c4e3e0fb1137b63dc1cd020e89c2f6965 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 3 Dec 2008 07:45:15 +0000 Subject: third time is the charm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60469 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/BasicBlockUtils.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp') diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index 1a255a4..45cfe8f 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -27,7 +27,9 @@ using namespace llvm; /// DeleteDeadBlock - Delete the specified block, which must have no /// predecessors. void llvm::DeleteDeadBlock(BasicBlock *BB) { - assert(pred_begin(BB) == pred_end(BB) && "Block is not dead!"); + assert((pred_begin(BB) == pred_end(BB) || + // Can delete self loop. + BB->getSinglePredecessor() == BB) && "Block is not dead!"); TerminatorInst *BBTerm = BB->getTerminator(); // Loop through all of our successors and make sure they know that one -- cgit v1.1