diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 5eaeccb5a29..0be05d81fbd 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -384,8 +384,9 @@ bool llvm::wouldInstructionBeTriviallyDead(Instruction *I, // Special case intrinsics that "may have side effects" but can be deleted // when dead. if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(I)) { - // Safe to delete llvm.stacksave if dead. - if (II->getIntrinsicID() == Intrinsic::stacksave) + // Safe to delete llvm.stacksave and launder.invariant.group if dead. + if (II->getIntrinsicID() == Intrinsic::stacksave || + II->getIntrinsicID() == Intrinsic::launder_invariant_group) return true; // Lifetime intrinsics are dead when their right-hand is undef. |
