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| author | Changpeng Fang <changpeng.fang@gmail.com> | 2016-07-28 23:01:45 +0000 |
|---|---|---|
| committer | Changpeng Fang <changpeng.fang@gmail.com> | 2016-07-28 23:01:45 +0000 |
| commit | 26fb9d268b524080afd2b360c0ad68e225ab7800 (patch) | |
| tree | d1ec4010936ef4cc97a5decaaf65041c596a12e1 /llvm/lib/Target | |
| parent | 0ab23cf1c8c92e5fca497b1324132e5be136162e (diff) | |
| download | bcm5719-llvm-26fb9d268b524080afd2b360c0ad68e225ab7800.tar.gz bcm5719-llvm-26fb9d268b524080afd2b360c0ad68e225ab7800.zip | |
AMDGPU/SI: Don't handle a loop if there is no loop at all for a terminator BB.
Differential Revision: http://reviews.llvm.org/D22021
Reviewed by: arsenm
llvm-svn: 277073
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp b/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp index 5f182c5304c..b5729fef6ff 100644 --- a/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp +++ b/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp @@ -331,6 +331,8 @@ void SIAnnotateControlFlow::handleLoop(BranchInst *Term) { BasicBlock *BB = Term->getParent(); llvm::Loop *L = LI->getLoopFor(BB); + if (!L) + return; BasicBlock *Target = Term->getSuccessor(1); PHINode *Broken = PHINode::Create(Int64, 0, "", &Target->front()); |
