1; RUN: llc < %s -mcpu=ppc | FileCheck %s
2
3target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32"
4target triple = "powerpc-unknown-linux-gnu"
5
6define i64 @foo(i64* nocapture %n, i64 %d) nounwind readonly {
7entry:
8  br label %for.body
9
10for.body:                                         ; preds = %for.body, %entry
11  %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
12  %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ]
13  %arrayidx = getelementptr inbounds i64* %n, i32 %i.06
14  %0 = load i64* %arrayidx, align 8
15  %conv = udiv i64 %x.05, %d
16  %conv1 = add i64 %conv, %0
17  %inc = add nsw i32 %i.06, 1
18  %exitcond = icmp eq i32 %inc, 2048
19  br i1 %exitcond, label %for.end, label %for.body
20
21for.end:                                          ; preds = %for.body
22  ret i64 %conv1
23}
24
25; CHECK: @foo
26; CHECK-NOT: mtctr
27
28define i64 @foo2(i64* nocapture %n, i64 %d) nounwind readonly {
29entry:
30  br label %for.body
31
32for.body:                                         ; preds = %for.body, %entry
33  %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
34  %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ]
35  %arrayidx = getelementptr inbounds i64* %n, i32 %i.06
36  %0 = load i64* %arrayidx, align 8
37  %conv = sdiv i64 %x.05, %d
38  %conv1 = add i64 %conv, %0
39  %inc = add nsw i32 %i.06, 1
40  %exitcond = icmp eq i32 %inc, 2048
41  br i1 %exitcond, label %for.end, label %for.body
42
43for.end:                                          ; preds = %for.body
44  ret i64 %conv1
45}
46
47; CHECK: @foo2
48; CHECK-NOT: mtctr
49
50define i64 @foo3(i64* nocapture %n, i64 %d) nounwind readonly {
51entry:
52  br label %for.body
53
54for.body:                                         ; preds = %for.body, %entry
55  %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
56  %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ]
57  %arrayidx = getelementptr inbounds i64* %n, i32 %i.06
58  %0 = load i64* %arrayidx, align 8
59  %conv = urem i64 %x.05, %d
60  %conv1 = add i64 %conv, %0
61  %inc = add nsw i32 %i.06, 1
62  %exitcond = icmp eq i32 %inc, 2048
63  br i1 %exitcond, label %for.end, label %for.body
64
65for.end:                                          ; preds = %for.body
66  ret i64 %conv1
67}
68
69; CHECK: @foo3
70; CHECK-NOT: mtctr
71
72define i64 @foo4(i64* nocapture %n, i64 %d) nounwind readonly {
73entry:
74  br label %for.body
75
76for.body:                                         ; preds = %for.body, %entry
77  %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
78  %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ]
79  %arrayidx = getelementptr inbounds i64* %n, i32 %i.06
80  %0 = load i64* %arrayidx, align 8
81  %conv = srem i64 %x.05, %d
82  %conv1 = add i64 %conv, %0
83  %inc = add nsw i32 %i.06, 1
84  %exitcond = icmp eq i32 %inc, 2048
85  br i1 %exitcond, label %for.end, label %for.body
86
87for.end:                                          ; preds = %for.body
88  ret i64 %conv1
89}
90
91; CHECK: @foo4
92; CHECK-NOT: mtctr
93
94