• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: opt < %s  -loop-vectorize -force-vector-interleave=1 -dce -instcombine -S | FileCheck %s
2
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4
5; CHECK-LABEL: @test1(
6; CHECK: store <8 x i32>
7; CHECK: ret void
8define void @test1(i32* nocapture %a, i32 %n) #0 {
9entry:
10  %cmp4 = icmp sgt i32 %n, 0
11  br i1 %cmp4, label %for.body, label %for.end
12
13for.body:                                         ; preds = %entry, %for.body
14  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
15  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
16  store i32 42, i32* %arrayidx, align 4
17  %indvars.iv.next = add i64 %indvars.iv, 1
18  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
19  %exitcond = icmp eq i32 %lftr.wideiv, %n
20  br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
21
22for.end:                                          ; preds = %for.body, %entry
23  ret void
24}
25
26; CHECK-LABEL: @test2(
27; CHECK: store <vscale x 8 x i32>
28; CHECK: ret void
29define void @test2(i32* nocapture %a, i32 %n) #0 {
30entry:
31  %cmp4 = icmp sgt i32 %n, 0
32  br i1 %cmp4, label %for.body, label %for.end
33
34for.body:                                         ; preds = %entry, %for.body
35  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
36  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
37  store i32 42, i32* %arrayidx, align 4
38  %indvars.iv.next = add i64 %indvars.iv, 1
39  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
40  %exitcond = icmp eq i32 %lftr.wideiv, %n
41  br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !2
42
43for.end:                                          ; preds = %for.body, %entry
44  ret void
45}
46
47; CHECK-LABEL: @test3(
48; CHECK: store <8 x i32>
49; CHECK: ret void
50define void @test3(i32* nocapture %a, i32 %n) #0 {
51entry:
52  %cmp4 = icmp sgt i32 %n, 0
53  br i1 %cmp4, label %for.body, label %for.end
54
55for.body:                                         ; preds = %entry, %for.body
56  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
57  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
58  store i32 42, i32* %arrayidx, align 4
59  %indvars.iv.next = add i64 %indvars.iv, 1
60  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
61  %exitcond = icmp eq i32 %lftr.wideiv, %n
62  br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !4
63
64for.end:                                          ; preds = %for.body, %entry
65  ret void
66}
67
68attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
69
70!0 = !{!0, !1}
71!1 = !{!"llvm.loop.vectorize.width", i32 8}
72!2 = !{!2, !1, !3}
73!3 = !{!"llvm.loop.vectorize.scalable.enable", i32 1}
74!4 = !{!4, !1, !5}
75!5 = !{!"llvm.loop.vectorize.scalable.enable", i32 0}
76