summaryrefslogtreecommitdiff
path: root/test/CodeGen/PowerPC/ctrloop-sh.ll
blob: d8e6fc79a6650c92aec1e47630be5780441374ab (plain)
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
; RUN: llc < %s | FileCheck %s
target datalayout = "E-m:e-p:32:32-i128:64-n32"
target triple = "powerpc-ellcc-linux"

; Function Attrs: nounwind
define void @foo1(i128* %a, i128* readonly %b, i128* readonly %c) #0 {
entry:
  br label %for.body

for.body:                                         ; preds = %for.body, %entry
  %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %0 = load i128* %b, align 16
  %1 = load i128* %c, align 16
  %shl = shl i128 %0, %1
  store i128 %shl, i128* %a, align 16
  %inc = add nsw i32 %i.02, 1
  %exitcond = icmp eq i32 %inc, 2048
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void

; CHECK-LABEL: @foo1
; CHECK-NOT: mtctr
}

; Function Attrs: nounwind
define void @foo2(i128* %a, i128* readonly %b, i128* readonly %c) #0 {
entry:
  br label %for.body

for.body:                                         ; preds = %for.body, %entry
  %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %0 = load i128* %b, align 16
  %1 = load i128* %c, align 16
  %shl = ashr i128 %0, %1
  store i128 %shl, i128* %a, align 16
  %inc = add nsw i32 %i.02, 1
  %exitcond = icmp eq i32 %inc, 2048
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void

; CHECK-LABEL: @foo2
; CHECK-NOT: mtctr
}

; Function Attrs: nounwind
define void @foo3(i128* %a, i128* readonly %b, i128* readonly %c) #0 {
entry:
  br label %for.body

for.body:                                         ; preds = %for.body, %entry
  %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %0 = load i128* %b, align 16
  %1 = load i128* %c, align 16
  %shl = lshr i128 %0, %1
  store i128 %shl, i128* %a, align 16
  %inc = add nsw i32 %i.02, 1
  %exitcond = icmp eq i32 %inc, 2048
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void

; CHECK-LABEL: @foo3
; CHECK-NOT: mtctr
}

attributes #0 = { nounwind }