| commit | 0fe46d9b480ab4851e1fc8bc589d1ed9c8b2a70e | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Thu May 20 22:46:54 2010 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Thu May 20 22:46:54 2010 +0000 |
| tree | ed2d0d3cbe7447f580be2f5ef8a3ee25617f5b0e | |
| parent | 9f383eb9503580a1425073beee99fdf74ed31a17 [diff] [blame] |
DominatorTree.getNode can return null for unreachable blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104290 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 1f6ae6a..86ea3eb 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -3127,7 +3127,7 @@ BasicBlock *IDom; for (DomTreeNode *Rung = DT.getNode(IP->getParent()); ; ) { - assert(Rung && "Block has no DomTreeNode!"); + if (!Rung) return IP; Rung = Rung->getIDom(); if (!Rung) return IP; IDom = Rung->getBlock();