if (auto *C = dyn_cast<ConstantInt>(Idx))
return C->getValue().ult(VecTy->getNumElements());
+ if (!isGuaranteedNotToBePoison(Idx, &AC))
+ return false;
+
APInt Zero(Idx->getType()->getScalarSizeInBits(), 0);
APInt MaxElts(Idx->getType()->getScalarSizeInBits(), VecTy->getNumElements());
ConstantRange ValidIndices(Zero, MaxElts);
define void @insert_store_nonconst_index_known_valid_by_and_but_may_be_poison(<16 x i8>* %q, i8 zeroext %s, i32 %idx) {
; CHECK-LABEL: @insert_store_nonconst_index_known_valid_by_and_but_may_be_poison(
; CHECK-NEXT: entry:
+; CHECK-NEXT: [[TMP0:%.*]] = load <16 x i8>, <16 x i8>* [[Q:%.*]], align 16
; CHECK-NEXT: [[IDX_CLAMPED:%.*]] = and i32 [[IDX:%.*]], 7
-; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds <16 x i8>, <16 x i8>* [[Q:%.*]], i32 0, i32 [[IDX_CLAMPED]]
-; CHECK-NEXT: store i8 [[S:%.*]], i8* [[TMP0]], align 1
+; CHECK-NEXT: [[VECINS:%.*]] = insertelement <16 x i8> [[TMP0]], i8 [[S:%.*]], i32 [[IDX_CLAMPED]]
+; CHECK-NEXT: store <16 x i8> [[VECINS]], <16 x i8>* [[Q]], align 16
; CHECK-NEXT: ret void
;
entry:
define void @insert_store_nonconst_index_known_valid_by_urem_but_may_be_poison(<16 x i8>* %q, i8 zeroext %s, i32 %idx) {
; CHECK-LABEL: @insert_store_nonconst_index_known_valid_by_urem_but_may_be_poison(
; CHECK-NEXT: entry:
+; CHECK-NEXT: [[TMP0:%.*]] = load <16 x i8>, <16 x i8>* [[Q:%.*]], align 16
; CHECK-NEXT: [[IDX_CLAMPED:%.*]] = urem i32 [[IDX:%.*]], 16
-; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds <16 x i8>, <16 x i8>* [[Q:%.*]], i32 0, i32 [[IDX_CLAMPED]]
-; CHECK-NEXT: store i8 [[S:%.*]], i8* [[TMP0]], align 1
+; CHECK-NEXT: [[VECINS:%.*]] = insertelement <16 x i8> [[TMP0]], i8 [[S:%.*]], i32 [[IDX_CLAMPED]]
+; CHECK-NEXT: store <16 x i8> [[VECINS]], <16 x i8>* [[Q]], align 16
; CHECK-NEXT: ret void
;
entry: