diff options
Diffstat (limited to 'llvm/lib/CodeGen/Analysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/Analysis.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp index e72938ba9be..f1bbb341df1 100644 --- a/llvm/lib/CodeGen/Analysis.cpp +++ b/llvm/lib/CodeGen/Analysis.cpp @@ -536,9 +536,11 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, const TargetMachine &TM) { // Debug info intrinsics do not get in the way of tail call optimization. if (isa<DbgInfoIntrinsic>(BBI)) continue; - // A lifetime end intrinsic should not stop tail call optimization. + // A lifetime end or assume intrinsic should not stop tail call + // optimization. if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(BBI)) - if (II->getIntrinsicID() == Intrinsic::lifetime_end) + if (II->getIntrinsicID() == Intrinsic::lifetime_end || + II->getIntrinsicID() == Intrinsic::assume) continue; if (BBI->mayHaveSideEffects() || BBI->mayReadFromMemory() || !isSafeToSpeculativelyExecute(&*BBI)) |
