1 ; RUN: opt -mtriple aarch64-linux-gnu -mattr=+sve -loop-vectorize -scalable-vectorization=on -dce -instcombine -S <%s | FileCheck %s
3 define void @stride7_i32(i32* noalias nocapture %dst, i64 %n) #0 {
4 ; CHECK-LABEL: @stride7_i32(
6 ; CHECK: %[[VEC_IND:.*]] = phi <vscale x 4 x i64> [ %{{.*}}, %vector.ph ], [ %{{.*}}, %vector.body ]
7 ; CHECK-NEXT: %[[PTR_INDICES:.*]] = mul nuw nsw <vscale x 4 x i64> %[[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 7, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
8 ; CHECK-NEXT: %[[PTRS:.*]] = getelementptr inbounds i32, i32* %dst, <vscale x 4 x i64> %[[PTR_INDICES]]
9 ; CHECK-NEXT: %[[GLOAD:.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0i32(<vscale x 4 x i32*> %[[PTRS]]
10 ; CHECK-NEXT: %[[VALS:.*]] = add nsw <vscale x 4 x i32> %[[GLOAD]],
11 ; CHECK-NEXT: call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> %[[VALS]], <vscale x 4 x i32*> %[[PTRS]]
15 for.body: ; preds = %entry, %for.body
16 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
17 %mul = mul nuw nsw i64 %i.05, 7
18 %arrayidx = getelementptr inbounds i32, i32* %dst, i64 %mul
19 %0 = load i32, i32* %arrayidx, align 4
20 %add = add nsw i32 %0, 3
21 store i32 %add, i32* %arrayidx, align 4
22 %inc = add nuw nsw i64 %i.05, 1
23 %exitcond.not = icmp eq i64 %inc, %n
24 br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
26 for.end: ; preds = %for.end.loopexit, %entry
30 define void @stride7_f64(double* noalias nocapture %dst, i64 %n) #0 {
31 ; CHECK-LABEL: @stride7_f64(
33 ; CHECK: %[[VEC_IND:.*]] = phi <vscale x 2 x i64> [ %{{.*}}, %vector.ph ], [ %{{.*}}, %vector.body ]
34 ; CHECK-NEXT: %[[PTR_INDICES:.*]] = mul nuw nsw <vscale x 2 x i64> %[[VEC_IND]], shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 7, i32 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer)
35 ; CHECK-NEXT: %[[PTRS:.*]] = getelementptr inbounds double, double* %dst, <vscale x 2 x i64> %[[PTR_INDICES]]
36 ; CHECK-NEXT: %[[GLOAD:.*]] = call <vscale x 2 x double> @llvm.masked.gather.nxv2f64.nxv2p0f64(<vscale x 2 x double*> %[[PTRS]],
37 ; CHECK-NEXT: %[[VALS:.*]] = fadd <vscale x 2 x double> %[[GLOAD]],
38 ; CHECK-NEXT: call void @llvm.masked.scatter.nxv2f64.nxv2p0f64(<vscale x 2 x double> %[[VALS]], <vscale x 2 x double*> %[[PTRS]],
42 for.body: ; preds = %entry, %for.body
43 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
44 %mul = mul nuw nsw i64 %i.05, 7
45 %arrayidx = getelementptr inbounds double, double* %dst, i64 %mul
46 %0 = load double, double* %arrayidx, align 8
47 %add = fadd double %0, 1.000000e+00
48 store double %add, double* %arrayidx, align 8
49 %inc = add nuw nsw i64 %i.05, 1
50 %exitcond.not = icmp eq i64 %inc, %n
51 br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !6
53 for.end: ; preds = %for.end.loopexit, %entry
58 define void @cond_stride7_f64(double* noalias nocapture %dst, i64* noalias nocapture readonly %cond, i64 %n) #0 {
59 ; CHECK-LABEL: @cond_stride7_f64(
61 ; CHECK: %[[MASK:.*]] = icmp ne <vscale x 2 x i64>
62 ; CHECK: %[[PTRS:.*]] = getelementptr inbounds double, double* %dst, <vscale x 2 x i64> %{{.*}}
63 ; CHECK-NEXT: %[[GLOAD:.*]] = call <vscale x 2 x double> @llvm.masked.gather.nxv2f64.nxv2p0f64(<vscale x 2 x double*> %[[PTRS]], i32 8, <vscale x 2 x i1> %[[MASK]]
64 ; CHECK-NEXT: %[[VALS:.*]] = fadd <vscale x 2 x double> %[[GLOAD]],
65 ; CHECK-NEXT: call void @llvm.masked.scatter.nxv2f64.nxv2p0f64(<vscale x 2 x double> %[[VALS]], <vscale x 2 x double*> %[[PTRS]], i32 8, <vscale x 2 x i1> %[[MASK]])
69 for.body: ; preds = %entry, %for.inc
70 %i.07 = phi i64 [ %inc, %for.inc ], [ 0, %entry ]
71 %arrayidx = getelementptr inbounds i64, i64* %cond, i64 %i.07
72 %0 = load i64, i64* %arrayidx, align 8
73 %tobool.not = icmp eq i64 %0, 0
74 br i1 %tobool.not, label %for.inc, label %if.then
76 if.then: ; preds = %for.body
77 %mul = mul nsw i64 %i.07, 7
78 %arrayidx1 = getelementptr inbounds double, double* %dst, i64 %mul
79 %1 = load double, double* %arrayidx1, align 8
80 %add = fadd double %1, 1.000000e+00
81 store double %add, double* %arrayidx1, align 8
84 for.inc: ; preds = %for.body, %if.then
85 %inc = add nuw nsw i64 %i.07, 1
86 %exitcond.not = icmp eq i64 %inc, %n
87 br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !6
89 for.end: ; preds = %for.end.loopexit, %entry
93 attributes #0 = { vscale_range(0, 16) }
94 !0 = distinct !{!0, !1, !2, !3, !4, !5}
95 !1 = !{!"llvm.loop.mustprogress"}
96 !2 = !{!"llvm.loop.vectorize.width", i32 4}
97 !3 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
98 !4 = !{!"llvm.loop.interleave.count", i32 1}
99 !5 = !{!"llvm.loop.vectorize.enable", i1 true}
100 !6 = distinct !{!6, !1, !7, !3, !4, !5}
101 !7 = !{!"llvm.loop.vectorize.width", i32 2}