for (const auto &Data : ExtractVectorsTys) {
auto *EEVTy = cast<FixedVectorType>(Data.first->getType());
unsigned NumElts = VecTy->getNumElements();
- if (TTIRef.getNumberOfParts(EEVTy) > TTIRef.getNumberOfParts(VecTy))
- Cost += TTIRef.getShuffleCost(TargetTransformInfo::SK_ExtractSubvector,
- EEVTy, None,
- (Data.second / NumElts) * NumElts, VecTy);
- else
+ if (TTIRef.getNumberOfParts(EEVTy) > TTIRef.getNumberOfParts(VecTy)) {
+ unsigned Idx = (Data.second / NumElts) * NumElts;
+ unsigned EENumElts = EEVTy->getNumElements();
+ if (Idx + NumElts <= EENumElts) {
+ Cost +=
+ TTIRef.getShuffleCost(TargetTransformInfo::SK_ExtractSubvector,
+ EEVTy, None, Idx, VecTy);
+ } else {
+ // Need to round up the subvector type vectorization factor to avoid a
+ // crash in cost model functions. Make SubVT so that Idx + VF of SubVT
+ // <= EENumElts.
+ auto *SubVT =
+ FixedVectorType::get(VecTy->getElementType(), EENumElts - Idx);
+ Cost +=
+ TTIRef.getShuffleCost(TargetTransformInfo::SK_ExtractSubvector,
+ EEVTy, None, Idx, SubVT);
+ }
+ } else {
Cost += TTIRef.getShuffleCost(TargetTransformInfo::SK_InsertSubvector,
VecTy, None, 0, EEVTy);
+ }
}
};
if (E->State == TreeEntry::NeedToGather) {
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -slp-vectorizer %s | FileCheck %s
+
+define <2 x i16> @uadd_sat_v9i16_combine_vi16(<9 x i16> %arg0, <9 x i16> %arg1) {
+; CHECK-LABEL: @uadd_sat_v9i16_combine_vi16(
+; CHECK-NEXT: bb:
+; CHECK-NEXT: [[ARG0_1:%.*]] = extractelement <9 x i16> undef, i64 7
+; CHECK-NEXT: [[ARG0_2:%.*]] = extractelement <9 x i16> [[ARG0:%.*]], i64 8
+; CHECK-NEXT: [[ARG1_1:%.*]] = extractelement <9 x i16> [[ARG1:%.*]], i64 7
+; CHECK-NEXT: [[ARG1_2:%.*]] = extractelement <9 x i16> [[ARG1]], i64 8
+; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x i16> poison, i16 [[ARG0_1]], i32 0
+; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i16> [[TMP0]], i16 [[ARG0_2]], i32 1
+; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x i16> poison, i16 [[ARG1_1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x i16> [[TMP2]], i16 [[ARG1_2]], i32 1
+; CHECK-NEXT: [[TMP4:%.*]] = call <2 x i16> @llvm.uadd.sat.v2i16(<2 x i16> [[TMP1]], <2 x i16> [[TMP3]])
+; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i16> [[TMP4]], i32 0
+; CHECK-NEXT: [[INS_1:%.*]] = insertelement <2 x i16> undef, i16 [[TMP5]], i64 0
+; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i16> [[TMP4]], i32 1
+; CHECK-NEXT: [[INS_2:%.*]] = insertelement <2 x i16> [[INS_1]], i16 [[TMP6]], i64 1
+; CHECK-NEXT: ret <2 x i16> [[INS_2]]
+;
+bb:
+ %arg0.1 = extractelement <9 x i16> undef, i64 7
+ %arg0.2 = extractelement <9 x i16> %arg0, i64 8
+ %arg1.1 = extractelement <9 x i16> %arg1, i64 7
+ %arg1.2 = extractelement <9 x i16> %arg1, i64 8
+ %add.1 = call i16 @llvm.uadd.sat.i16(i16 %arg0.1, i16 %arg1.1)
+ %add.2 = call i16 @llvm.uadd.sat.i16(i16 %arg0.2, i16 %arg1.2)
+ %ins.1 = insertelement <2 x i16> undef, i16 %add.1, i64 0
+ %ins.2 = insertelement <2 x i16> %ins.1, i16 %add.2, i64 1
+ ret <2 x i16> %ins.2
+}
+
+declare i16 @llvm.uadd.sat.i16(i16, i16) #0
+attributes #0 = { nounwind readnone speculatable willreturn }