diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index a330bb7..651e305 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -1892,7 +1892,7 @@ Value *InstCombinerImpl::SimplifyDemandedVectorElts(Value *V, // segfaults which didn't exist in the original program. APInt DemandedPtrs(APInt::getAllOnes(VWidth)), DemandedPassThrough(DemandedElts); - if (auto *CMask = dyn_cast<Constant>(II->getOperand(2))) { + if (auto *CMask = dyn_cast<Constant>(II->getOperand(1))) { for (unsigned i = 0; i < VWidth; i++) { if (Constant *CElt = CMask->getAggregateElement(i)) { if (CElt->isNullValue()) @@ -1905,7 +1905,7 @@ Value *InstCombinerImpl::SimplifyDemandedVectorElts(Value *V, if (II->getIntrinsicID() == Intrinsic::masked_gather) simplifyAndSetOp(II, 0, DemandedPtrs, PoisonElts2); - simplifyAndSetOp(II, 3, DemandedPassThrough, PoisonElts3); + simplifyAndSetOp(II, 2, DemandedPassThrough, PoisonElts3); // Output elements are undefined if the element from both sources are. // TODO: can strengthen via mask as well. |