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author | Dan Gohman <gohman@apple.com> | 2010-05-20 22:46:54 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-05-20 22:46:54 +0000 |
commit | 0fe46d9b480ab4851e1fc8bc589d1ed9c8b2a70e (patch) | |
tree | ed2d0d3cbe7447f580be2f5ef8a3ee25617f5b0e | |
parent | 9f383eb9503580a1425073beee99fdf74ed31a17 (diff) | |
download | external_llvm-0fe46d9b480ab4851e1fc8bc589d1ed9c8b2a70e.zip external_llvm-0fe46d9b480ab4851e1fc8bc589d1ed9c8b2a70e.tar.gz external_llvm-0fe46d9b480ab4851e1fc8bc589d1ed9c8b2a70e.tar.bz2 |
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
-rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
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 @@ LSRInstance::HoistInsertPosition(BasicBlock::iterator IP, 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(); |