diff options
Diffstat (limited to 'llvm/lib/Target/ARM/MVETailPredication.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/MVETailPredication.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/MVETailPredication.cpp b/llvm/lib/Target/ARM/MVETailPredication.cpp index b705208660df..cf9e2484bab5 100644 --- a/llvm/lib/Target/ARM/MVETailPredication.cpp +++ b/llvm/lib/Target/ARM/MVETailPredication.cpp @@ -156,7 +156,7 @@ bool MVETailPredication::runOnLoop(Loop *L, LPPassManager&) { Intrinsic::ID ID = Call->getIntrinsicID(); if (ID == Intrinsic::start_loop_iterations || - ID == Intrinsic::test_set_loop_iterations) + ID == Intrinsic::test_start_loop_iterations) return cast<IntrinsicInst>(&I); } return nullptr; @@ -205,6 +205,10 @@ bool MVETailPredication::IsSafeActiveMask(IntrinsicInst *ActiveLaneMask, EnableTailPredication == TailPredication::ForceEnabled; Value *ElemCount = ActiveLaneMask->getOperand(1); + bool Changed = false; + if (!L->makeLoopInvariant(ElemCount, Changed)) + return false; + auto *EC= SE->getSCEV(ElemCount); auto *TC = SE->getSCEV(TripCount); int VectorWidth = |