1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
; RUN: opt -passes=loop-vectorize,dce,instcombine -mtriple aarch64-linux-gnu -mattr=+sve \
; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -S %s -o - | FileCheck %s
define void @mloadstore_f32(ptr noalias nocapture %a, ptr noalias nocapture readonly %b, i64 %n) {
; CHECK-LABEL: @mloadstore_f32
; CHECK: vector.body:
; CHECK: %[[LOAD1:.*]] = load <vscale x 4 x float>, ptr
; CHECK-NEXT: %[[MASK:.*]] = fcmp ogt <vscale x 4 x float> %[[LOAD1]],
; CHECK-NEXT: %[[GEPA:.*]] = getelementptr float, ptr %a,
; CHECK-NEXT: %[[LOAD2:.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0(ptr %[[GEPA]], i32 4, <vscale x 4 x i1> %[[MASK]]
; CHECK-NEXT: %[[FADD:.*]] = fadd <vscale x 4 x float> %[[LOAD1]], %[[LOAD2]]
; CHECK-NEXT: call void @llvm.masked.store.nxv4f32.p0(<vscale x 4 x float> %[[FADD]], ptr %[[GEPA]], i32 4, <vscale x 4 x i1> %[[MASK]])
entry:
br label %for.body
for.body: ; preds = %entry, %for.inc
%i.011 = phi i64 [ %inc, %for.inc ], [ 0, %entry ]
%arrayidx = getelementptr inbounds float, ptr %b, i64 %i.011
%0 = load float, ptr %arrayidx, align 4
%cmp1 = fcmp ogt float %0, 0.000000e+00
br i1 %cmp1, label %if.then, label %for.inc
if.then: ; preds = %for.body
%arrayidx3 = getelementptr inbounds float, ptr %a, i64 %i.011
%1 = load float, ptr %arrayidx3, align 4
%add = fadd float %0, %1
store float %add, ptr %arrayidx3, align 4
br label %for.inc
for.inc: ; preds = %for.body, %if.then
%inc = add nuw nsw i64 %i.011, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0
exit: ; preds = %for.inc
ret void
}
define void @mloadstore_i32(ptr noalias nocapture %a, ptr noalias nocapture readonly %b, i64 %n) {
; CHECK-LABEL: @mloadstore_i32
; CHECK: vector.body:
; CHECK: %[[LOAD1:.*]] = load <vscale x 4 x i32>, ptr
; CHECK-NEXT: %[[MASK:.*]] = icmp ne <vscale x 4 x i32> %[[LOAD1]],
; CHECK-NEXT: %[[GEPA:.*]] = getelementptr i32, ptr %a,
; CHECK-NEXT: %[[LOAD2:.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0(ptr %[[GEPA]], i32 4, <vscale x 4 x i1> %[[MASK]]
; CHECK-NEXT: %[[FADD:.*]] = add <vscale x 4 x i32> %[[LOAD1]], %[[LOAD2]]
; CHECK-NEXT: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[FADD]], ptr %[[GEPA]], i32 4, <vscale x 4 x i1> %[[MASK]])
entry:
br label %for.body
for.body: ; preds = %entry, %for.inc
%i.011 = phi i64 [ %inc, %for.inc ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, ptr %b, i64 %i.011
%0 = load i32, ptr %arrayidx, align 4
%cmp1 = icmp ne i32 %0, 0
br i1 %cmp1, label %if.then, label %for.inc
if.then: ; preds = %for.body
%arrayidx3 = getelementptr inbounds i32, ptr %a, i64 %i.011
%1 = load i32, ptr %arrayidx3, align 4
%add = add i32 %0, %1
store i32 %add, ptr %arrayidx3, align 4
br label %for.inc
for.inc: ; preds = %for.body, %if.then
%inc = add nuw nsw i64 %i.011, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0
exit: ; preds = %for.inc
ret void
}
!0 = distinct !{!0, !1, !2, !3, !4, !5}
!1 = !{!"llvm.loop.mustprogress"}
!2 = !{!"llvm.loop.vectorize.width", i32 4}
!3 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
!4 = !{!"llvm.loop.interleave.count", i32 1}
!5 = !{!"llvm.loop.vectorize.enable", i1 true}
|
