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| author | Jun Ma <JunMa@linux.alibaba.com> | 2021-11-24 10:09:53 +0800 |
|---|---|---|
| committer | Jun Ma <JunMa@linux.alibaba.com> | 2021-11-24 10:26:37 +0800 |
| commit | 07333810caee48e94587891191a970be8a117fcf (patch) | |
| tree | c500225d19363912cdaac3e1a56ab552bc7f6e17 /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | 8ec0f221843c51096cf3e7a479e780be371388a8 (diff) | |
| download | llvm-07333810caee48e94587891191a970be8a117fcf.zip llvm-07333810caee48e94587891191a970be8a117fcf.tar.gz llvm-07333810caee48e94587891191a970be8a117fcf.tar.bz2 | |
Revert "Revert "Revert "Recommit "Revert "[CVP] processSwitch: Remove default case when switch cover all possible values."""""
This reverts commit c93f93b2e3f28997f794265089fb8138dd5b5f13.
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 74ab37f..3e36f49 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -2190,26 +2190,6 @@ void llvm::changeToCall(InvokeInst *II, DomTreeUpdater *DTU) { DTU->applyUpdates({{DominatorTree::Delete, BB, UnwindDestBB}}); } -void llvm::createUnreachableSwitchDefault(SwitchInst *Switch, - DomTreeUpdater *DTU) { - LLVM_DEBUG(dbgs() << "SimplifyCFG: switch default is dead.\n"); - auto *BB = Switch->getParent(); - auto *OrigDefaultBlock = Switch->getDefaultDest(); - OrigDefaultBlock->removePredecessor(BB); - BasicBlock *NewDefaultBlock = BasicBlock::Create( - BB->getContext(), BB->getName() + ".unreachabledefault", BB->getParent(), - OrigDefaultBlock); - new UnreachableInst(Switch->getContext(), NewDefaultBlock); - Switch->setDefaultDest(&*NewDefaultBlock); - if (DTU) { - SmallVector<DominatorTree::UpdateType, 2> Updates; - Updates.push_back({DominatorTree::Insert, BB, &*NewDefaultBlock}); - if (!is_contained(successors(BB), OrigDefaultBlock)) - Updates.push_back({DominatorTree::Delete, BB, &*OrigDefaultBlock}); - DTU->applyUpdates(Updates); - } -} - BasicBlock *llvm::changeToInvokeAndSplitBasicBlock(CallInst *CI, BasicBlock *UnwindEdge, DomTreeUpdater *DTU) { |