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
73
74
75
76
77
| ; RUN: opt -loop-unroll -S < %s | FileCheck %s
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i686-pc-windows-msvc"
declare void @fn1(i8*)
declare i1 @fn2(i8*, i8*)
define void @fn4() personality i32 (...)* @__CxxFrameHandler3 {
entry:
br label %for.body
for.body: ; preds = %for.inc, %entry
%i.05 = phi i8 [ 0, %entry ], [ %inc, %for.inc ]
store i8 undef, i8* undef, align 4
invoke void @fn1(i8* undef)
to label %call.i.noexc unwind label %ehcleanup
call.i.noexc: ; preds = %for.body
%call1.i2 = invoke i1 @fn2(i8* undef, i8* undef)
to label %call1.i.noexc unwind label %ehcleanup
call1.i.noexc: ; preds = %call.i.noexc
br i1 undef, label %if.then.i, label %if.end4.i
if.then.i: ; preds = %call1.i.noexc
%tmp1 = load i8, i8* undef, align 4
%tobool.i = icmp eq i8 undef, undef
br i1 undef, label %if.end4.i, label %if.then2.i
if.then2.i: ; preds = %if.then.i
%call3.i3 = invoke i1 @fn2(i8* undef, i8* null)
to label %call3.i.noexc unwind label %ehcleanup
call3.i.noexc: ; preds = %if.then2.i
br label %if.end4.i
if.end4.i: ; preds = %call3.i.noexc, %if.then.i, %call1.i.noexc
%tmp2 = load i8, i8* undef, align 4
br label %if.then6.i
if.then6.i: ; preds = %if.end4.i
%call7.i4 = invoke i1 @fn2(i8* undef, i8* null)
to label %call7.i.noexc unwind label %ehcleanup
call7.i.noexc: ; preds = %if.then6.i
br label %fn3
fn3: ; preds = %call7.i.noexc
%tmp3 = load i8, i8* undef, align 4
%inc.i = add nsw i8 undef, undef
store i8 undef, i8* undef, align 4
br label %for.inc
for.inc: ; preds = %fn3
%inc = add nsw i8 %i.05, 1
%cmp = icmp slt i8 %inc, 6
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.inc
invoke void @throw()
to label %unreachable unwind label %ehcleanup
ehcleanup: ; preds = %for.end, %if.then6.i, %if.then2.i, %call.i.noexc, %for.body
%cp = cleanuppad within none []
cleanupret from %cp unwind to caller
; CHECK: cleanuppad
; CHECK-NOT: cleanuppad
unreachable: ; preds = %for.end
unreachable
}
declare i32 @__CxxFrameHandler3(...)
declare void @throw()
|