longjmp-split.ll
4.29 KB
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
; RUN: opt -profile-summary-cold-count=0 -hotcoldsplit -S < %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%struct.__jmp_buf_tag = type { [8 x i64], i32, %struct.__sigset_t }
%struct.__sigset_t = type { [16 x i64] }
@c = dso_local global i32 1, align 4
@buf = dso_local global [20 x i8*] zeroinitializer, align 16
; CHECK-LABEL: @f
; CHECK: f.cold.1
define dso_local void @f() #0 !prof !31 {
entry:
%i = alloca i32, align 4
%j = alloca i32, align 4
%k = alloca i32, align 4
%0 = load i32, i32* @c, align 4
%tobool = icmp ne i32 %0, 0
br i1 %tobool, label %if.then, label %if.else, !prof !32
if.then: ; preds = %entry
ret void
if.else: ; preds = %entry
%1 = load i32, i32* @c, align 4
%inc = add i32 %1, 1
store i32 %inc, i32* @c, align 4
%2 = load i32, i32* @c, align 4
%inc1 = add i32 %2, 1
store i32 %inc1, i32* @c, align 4
%3 = load i32, i32* @c, align 4
%inc2 = add i32 %3, 1
store i32 %inc2, i32* @c, align 4
%4 = load i32, i32* @c, align 4
%inc3 = add i32 %4, 1
store i32 %inc3, i32* @c, align 4
%5 = load i32, i32* @c, align 4
%dec = add i32 %5, -1
store i32 %dec, i32* @c, align 4
%6 = load i32, i32* @c, align 4
%dec4 = add i32 %6, -1
store i32 %dec4, i32* @c, align 4
%7 = load i32, i32* @c, align 4
%inc5 = add i32 %7, 1
store i32 %inc5, i32* @c, align 4
%8 = load i32, i32* @c, align 4
%inc6 = add i32 %8, 1
store i32 %inc6, i32* @c, align 4
%9 = load i32, i32* @c, align 4
%add = add i32 %9, 1
store i32 %add, i32* %i, align 4
%10 = load i32, i32* %i, align 4
%sub = sub i32 %10, 1
store i32 %sub, i32* %j, align 4
%11 = load i32, i32* %i, align 4
%add7 = add i32 %11, 2
store i32 %add7, i32* %k, align 4
call void @longjmp(%struct.__jmp_buf_tag* bitcast ([20 x i8*]* @buf to %struct.__jmp_buf_tag*), i32 1) #3
unreachable
}
declare dso_local void @longjmp(%struct.__jmp_buf_tag*, i32) #1
define dso_local i32 @main() #0 !prof !31 {
entry:
%retval = alloca i32, align 4
%i = alloca i32, align 4
store i32 0, i32* %retval, align 4
store i32 0, i32* %i, align 4
%call = call i32 @_setjmp(%struct.__jmp_buf_tag* bitcast ([20 x i8*]* @buf to %struct.__jmp_buf_tag*)) #4
%tobool = icmp ne i32 %call, 0
br i1 %tobool, label %if.then, label %if.end, !prof !33
if.then: ; preds = %entry
store i32 1, i32* %retval, align 4
br label %return
if.end: ; preds = %entry
call void @f()
store i32 0, i32* %retval, align 4
br label %return
return: ; preds = %if.end, %if.then
%0 = load i32, i32* %retval, align 4
ret i32 %0
}
declare dso_local i32 @_setjmp(%struct.__jmp_buf_tag*) #2
attributes #0 = { inlinehint nounwind uwtable }
attributes #1 = { noreturn nounwind }
attributes #2 = { nounwind returns_twice }
attributes #3 = { noreturn nounwind }
attributes #4 = { nounwind returns_twice }
!llvm.module.flags = !{!0, !1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, !"ProfileSummary", !2}
!2 = !{!3, !4, !5, !6, !7, !8, !9, !10, !11, !12}
!3 = !{!"ProfileFormat", !"InstrProf"}
!4 = !{!"TotalCount", i64 2}
!5 = !{!"MaxCount", i64 1}
!6 = !{!"MaxInternalCount", i64 1}
!7 = !{!"MaxFunctionCount", i64 1}
!8 = !{!"NumCounts", i64 4}
!9 = !{!"NumFunctions", i64 2}
!10 = !{!"IsPartialProfile", i64 0}
!11 = !{!"PartialProfileRatio", double 0.000000e+00}
!12 = !{!"DetailedSummary", !13}
!13 = !{!14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27, !28, !29}
!14 = !{i32 10000, i64 0, i32 0}
!15 = !{i32 100000, i64 0, i32 0}
!16 = !{i32 200000, i64 0, i32 0}
!17 = !{i32 300000, i64 0, i32 0}
!18 = !{i32 400000, i64 0, i32 0}
!19 = !{i32 500000, i64 1, i32 2}
!20 = !{i32 600000, i64 1, i32 2}
!21 = !{i32 700000, i64 1, i32 2}
!22 = !{i32 800000, i64 1, i32 2}
!23 = !{i32 900000, i64 1, i32 2}
!24 = !{i32 950000, i64 1, i32 2}
!25 = !{i32 990000, i64 1, i32 2}
!26 = !{i32 999000, i64 1, i32 2}
!27 = !{i32 999900, i64 1, i32 2}
!28 = !{i32 999990, i64 1, i32 2}
!29 = !{i32 999999, i64 1, i32 2}
!31 = !{!"function_entry_count", i64 1}
!32 = !{!"branch_weights", i32 1, i32 0}
!33 = !{!"branch_weights", i32 0, i32 1}