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
| ; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -loop-unroll | FileCheck %s
define void @unroll_default() nounwind {
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
%inc = add i32 %iv, 1
%exitcnd = icmp uge i32 %inc, 1024
br i1 %exitcnd, label %exit, label %loop
exit:
ret void
}
; CHECK-LABEL: @unroll_default
; CHECK: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: add
; CHECK-NEXT: icmp
|