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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=jump-threading < %s | FileCheck %s
define void @func(i8 zeroext %p_44) nounwind {
; CHECK-LABEL: @func(
; CHECK-NEXT: return:
; CHECK-NEXT: ret void
; CHECK: for.inc46:
; CHECK-NEXT: br label [[FOR_INC46:%.*]]
;
entry:
br i1 false, label %for.cond2, label %if.end50
for.cond2: ; preds = %for.inc46, %lor.end, %entry
%p_44.addr.1 = phi i8 [ %p_44.addr.1, %lor.end ], [ %p_44, %entry ], [ %p_44.addr.1, %for.inc46 ]
br i1 undef, label %for.inc46, label %for.body5
for.body5: ; preds = %for.cond2
br i1 undef, label %lbl_465, label %if.then9
if.then9: ; preds = %for.body5
br label %return
lbl_465: ; preds = %lbl_465, %for.body5
%tobool19 = icmp eq i8 undef, 0
br i1 %tobool19, label %if.end21, label %lbl_465
if.end21: ; preds = %lbl_465
%conv23 = zext i8 %p_44.addr.1 to i64
%xor = xor i64 %conv23, 1
%tobool.i = icmp eq i64 %conv23, 0
br i1 %tobool.i, label %cond.false.i, label %safe_mod_func_uint64_t_u_u.exit
cond.false.i: ; preds = %if.end21
%div.i = udiv i64 %xor, %conv23
br label %safe_mod_func_uint64_t_u_u.exit
safe_mod_func_uint64_t_u_u.exit: ; preds = %cond.false.i, %if.end21
%cond.i = phi i64 [ %div.i, %cond.false.i ], [ %conv23, %if.end21 ]
%tobool28 = icmp eq i64 %cond.i, 0
br i1 %tobool28, label %lor.rhs, label %lor.end
lor.rhs: ; preds = %safe_mod_func_uint64_t_u_u.exit
br label %lor.end
lor.end: ; preds = %lor.rhs, %safe_mod_func_uint64_t_u_u.exit
br label %for.cond2
for.inc46: ; preds = %for.cond2
br label %for.cond2
if.end50: ; preds = %entry
br label %return
return: ; preds = %if.end50, %if.then9
ret void
}
|
