xref: /aosp_15_r20/external/llvm/test/Transforms/JumpThreading/pr9331.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -jump-threading -S < %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine void @func(i8 zeroext %p_44) nounwind {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker  br i1 false, label %for.cond2, label %if.end50
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerfor.cond2:                                        ; preds = %for.inc46, %lor.end, %entry
8*9880d681SAndroid Build Coastguard Worker  %p_44.addr.1 = phi i8 [ %p_44.addr.1, %lor.end ], [ %p_44, %entry ], [ %p_44.addr.1, %for.inc46 ]
9*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %for.inc46, label %for.body5
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerfor.body5:                                        ; preds = %for.cond2
12*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %lbl_465, label %if.then9
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerif.then9:                                         ; preds = %for.body5
15*9880d681SAndroid Build Coastguard Worker  br label %return
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerlbl_465:                                          ; preds = %lbl_465, %for.body5
18*9880d681SAndroid Build Coastguard Worker  %tobool19 = icmp eq i8 undef, 0
19*9880d681SAndroid Build Coastguard Worker  br i1 %tobool19, label %if.end21, label %lbl_465
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerif.end21:                                         ; preds = %lbl_465
22*9880d681SAndroid Build Coastguard Worker  %conv23 = zext i8 %p_44.addr.1 to i64
23*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %conv23, 1
24*9880d681SAndroid Build Coastguard Worker  %tobool.i = icmp eq i64 %conv23, 0
25*9880d681SAndroid Build Coastguard Worker  br i1 %tobool.i, label %cond.false.i, label %safe_mod_func_uint64_t_u_u.exit
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workercond.false.i:                                     ; preds = %if.end21
28*9880d681SAndroid Build Coastguard Worker  %div.i = udiv i64 %xor, %conv23
29*9880d681SAndroid Build Coastguard Worker  br label %safe_mod_func_uint64_t_u_u.exit
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workersafe_mod_func_uint64_t_u_u.exit:                  ; preds = %cond.false.i, %if.end21
32*9880d681SAndroid Build Coastguard Worker  %cond.i = phi i64 [ %div.i, %cond.false.i ], [ %conv23, %if.end21 ]
33*9880d681SAndroid Build Coastguard Worker  %tobool28 = icmp eq i64 %cond.i, 0
34*9880d681SAndroid Build Coastguard Worker  br i1 %tobool28, label %lor.rhs, label %lor.end
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerlor.rhs:                                          ; preds = %safe_mod_func_uint64_t_u_u.exit
37*9880d681SAndroid Build Coastguard Worker  br label %lor.end
38*9880d681SAndroid Build Coastguard Worker
39*9880d681SAndroid Build Coastguard Workerlor.end:                                          ; preds = %lor.rhs, %safe_mod_func_uint64_t_u_u.exit
40*9880d681SAndroid Build Coastguard Worker  br label %for.cond2
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Workerfor.inc46:                                        ; preds = %for.cond2
43*9880d681SAndroid Build Coastguard Worker  br label %for.cond2
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Workerif.end50:                                         ; preds = %entry
46*9880d681SAndroid Build Coastguard Worker  br label %return
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %if.end50, %if.then9
49*9880d681SAndroid Build Coastguard Worker  ret void
50*9880d681SAndroid Build Coastguard Worker}
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