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1; RUN: llc < %s | FileCheck %s
2target datalayout = "E-m:e-i64:64-n32:64"
3target triple = "powerpc64-bgq-linux"
4
5; Function Attrs: nounwind
6define void @foo(double* %x, double* nocapture readonly %y) #0 {
7entry:
8  %scevgep = getelementptr double, double* %x, i64 1599
9  %scevgep20 = getelementptr double, double* %y, i64 1599
10  br label %vector.memcheck
11
12vector.memcheck:                                  ; preds = %for.end, %entry
13  %j.015 = phi i32 [ 0, %entry ], [ %inc7, %for.end ]
14  %bound0 = icmp uge double* %scevgep20, %x
15  %bound1 = icmp uge double* %scevgep, %y
16  %memcheck.conflict = and i1 %bound0, %bound1
17  br i1 %memcheck.conflict, label %middle.block, label %vector.body
18
19vector.body:                                      ; preds = %vector.memcheck, %vector.body
20  %index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.memcheck ]
21  %0 = getelementptr inbounds double, double* %y, i64 %index
22  %1 = bitcast double* %0 to <4 x double>*
23  %wide.load = load <4 x double>, <4 x double>* %1, align 8
24  %2 = fadd <4 x double> %wide.load, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
25  %3 = getelementptr inbounds double, double* %x, i64 %index
26  %4 = bitcast double* %3 to <4 x double>*
27  store <4 x double> %2, <4 x double>* %4, align 8
28  %index.next = add i64 %index, 4
29  %5 = icmp eq i64 %index.next, 1600
30  br i1 %5, label %middle.block, label %vector.body
31
32middle.block:                                     ; preds = %vector.body, %vector.memcheck
33  %resume.val = phi i1 [ false, %vector.memcheck ], [ true, %vector.body ]
34  %trunc.resume.val = phi i64 [ 0, %vector.memcheck ], [ 1600, %vector.body ]
35  br i1 %resume.val, label %for.end, label %for.body3
36
37for.body3:                                        ; preds = %middle.block, %for.body3
38  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ %trunc.resume.val, %middle.block ]
39  %arrayidx = getelementptr inbounds double, double* %y, i64 %indvars.iv
40  %6 = load double, double* %arrayidx, align 8
41  %add = fadd double %6, 1.000000e+00
42  %arrayidx5 = getelementptr inbounds double, double* %x, i64 %indvars.iv
43  store double %add, double* %arrayidx5, align 8
44  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
45  %exitcond = icmp eq i64 %indvars.iv.next, 1600
46  br i1 %exitcond, label %for.end, label %for.body3
47
48for.end:                                          ; preds = %middle.block, %for.body3
49  tail call void @bar(double* %x) #2
50  %inc7 = add nuw nsw i32 %j.015, 1
51  %exitcond16 = icmp eq i32 %inc7, 100
52  br i1 %exitcond16, label %for.end8, label %vector.memcheck
53
54for.end8:                                         ; preds = %for.end
55  ret void
56
57; CHECK-LABEL: @foo
58; CHECK: dcbt
59}
60
61declare void @bar(double*) #1
62
63attributes #0 = { nounwind "target-cpu"="a2q" }
64attributes #1 = { "target-cpu"="a2q" }
65attributes #2 = { nounwind }
66
67