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| author | Nuno Lopes <nuno.lopes@tecnico.ulisboa.pt> | 2022-07-23 21:50:11 +0100 |
|---|---|---|
| committer | Nuno Lopes <nuno.lopes@tecnico.ulisboa.pt> | 2022-07-23 21:50:11 +0100 |
| commit | 9df0b254d24eca0987d9f88e998b4432f8608ff2 (patch) | |
| tree | 259a82abacdecc595ac435c46d1391803b532053 /llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | |
| parent | 2d2e2e7ea960c678416862f4b70215f0de16f39a (diff) | |
| download | llvm-9df0b254d24eca0987d9f88e998b4432f8608ff2.zip llvm-9df0b254d24eca0987d9f88e998b4432f8608ff2.tar.gz llvm-9df0b254d24eca0987d9f88e998b4432f8608ff2.tar.bz2 | |
[NFC] Switch a few uses of undef to poison as placeholders for unreachable code
Diffstat (limited to 'llvm/lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index b08bf48..e3cb5f3 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -80,7 +80,7 @@ void llvm::detachDeadBlocks( // contained within it must dominate their uses, that all uses will // eventually be removed (they are themselves dead). if (!I.use_empty()) - I.replaceAllUsesWith(UndefValue::get(I.getType())); + I.replaceAllUsesWith(PoisonValue::get(I.getType())); BB->getInstList().pop_back(); } new UnreachableInst(BB->getContext(), BB); @@ -1142,7 +1142,7 @@ SplitBlockPredecessorsImpl(BasicBlock *BB, ArrayRef<BasicBlock *> Preds, if (Preds.empty()) { // Insert dummy values as the incoming value. for (BasicBlock::iterator I = BB->begin(); isa<PHINode>(I); ++I) - cast<PHINode>(I)->addIncoming(UndefValue::get(I->getType()), NewBB); + cast<PHINode>(I)->addIncoming(PoisonValue::get(I->getType()), NewBB); } // Update DominatorTree, LoopInfo, and LCCSA analysis information. |