diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/PredicateInfo.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/PredicateInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/PredicateInfo.cpp b/llvm/lib/Transforms/Utils/PredicateInfo.cpp index 38a312a..13c7ad2 100644 --- a/llvm/lib/Transforms/Utils/PredicateInfo.cpp +++ b/llvm/lib/Transforms/Utils/PredicateInfo.cpp @@ -291,6 +291,11 @@ void PredicateInfoBuilder::convertUsesToDFSOrdered( Value *Op, SmallVectorImpl<ValueDFS> &DFSOrderedSet) { for (auto &U : Op->uses()) { if (auto *I = dyn_cast<Instruction>(U.getUser())) { + // Lifetime intrinsics must work directly on alloca, do not replace them + // with a predicated copy. + if (I->isLifetimeStartOrEnd()) + continue; + ValueDFS VD; // Put the phi node uses in the incoming block. BasicBlock *IBlock; |