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
| ; RUN: opt -S -partial-inliner -min-block-execution=1 -skip-partial-inlining-cost-analysis < %s | FileCheck %s
; RUN: opt -S -passes=partial-inliner -min-block-execution=1 -skip-partial-inlining-cost-analysis < %s | FileCheck %s
; Require a dummy block (if.then.b) as successor to if.then due to PI requirement
; of region containing more than one BB.
define signext i32 @bar(i32 signext %value, i32 signext %ub) #0 !prof !30 {
entry:
%value.addr = alloca i32, align 4
%ub.addr = alloca i32, align 4
%sum = alloca i32, align 4
%i = alloca i32, align 4
store i32 %value, i32* %value.addr, align 4
store i32 %ub, i32* %ub.addr, align 4
store i32 0, i32* %sum, align 4
store i32 0, i32* %i, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%0 = load i32, i32* %i, align 4
%1 = load i32, i32* %ub.addr, align 4
%cmp = icmp slt i32 %0, %1
br i1 %cmp, label %for.body, label %for.end, !prof !31
for.body: ; preds = %for.cond
%2 = load i32, i32* %value.addr, align 4
%rem = srem i32 %2, 20
%cmp1 = icmp eq i32 %rem, 0
br i1 %cmp1, label %if.then, label %if.else, !prof !32
if.then: ; preds = %for.body
%3 = load i32, i32* %value.addr, align 4
%4 = load i32, i32* %i, align 4
%mul = mul nsw i32 %4, 5
%add = add nsw i32 %3, %mul
%5 = load i32, i32* %sum, align 4
%add2 = add nsw i32 %5, %add
store i32 %add2, i32* %sum, align 4
br label %if.then.b
if.then.b: ; preds = %if.then
br label %if.end
if.else: ; preds = %for.body
%6 = load i32, i32* %value.addr, align 4
%7 = load i32, i32* %i, align 4
%sub = sub nsw i32 %6, %7
%8 = load i32, i32* %sum, align 4
%add3 = add nsw i32 %8, %sub
store i32 %add3, i32* %sum, align 4
br label %if.end
if.end: ; preds = %if.else, %if.then
br label %for.inc
for.inc: ; preds = %if.end
%9 = load i32, i32* %i, align 4
%inc = add nsw i32 %9, 1
store i32 %inc, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
%10 = load i32, i32* %sum, align 4
ret i32 %10
}
define signext i32 @foo(i32 signext %value, i32 signext %ub) #0 !prof !30 {
; CHECK-LABEL: @foo
; CHECK: codeRepl.i:
; CHECK-NOT: call signext i32 @bar
; CHECK: call void @bar.1.if.then
entry:
%value.addr = alloca i32, align 4
%ub.addr = alloca i32, align 4
store i32 %value, i32* %value.addr, align 4
store i32 %ub, i32* %ub.addr, align 4
%0 = load i32, i32* %value.addr, align 4
%1 = load i32, i32* %ub.addr, align 4
%call = call signext i32 @bar(i32 signext %0, i32 signext %1)
ret i32 %call
}
; CHECK-LABEL: define internal void @bar.1.if.then
; CHECK: .exitStub:
; CHECK: ret void
!llvm.module.flags = !{!0, !1, !2}
!llvm.ident = !{!29}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 7, !"PIC Level", i32 2}
!2 = !{i32 1, !"ProfileSummary", !3}
!3 = !{!4, !5, !6, !7, !8, !9, !10, !11}
!4 = !{!"ProfileFormat", !"InstrProf"}
!5 = !{!"TotalCount", i64 103}
!6 = !{!"MaxCount", i64 100}
!7 = !{!"MaxInternalCount", i64 1}
!8 = !{!"MaxFunctionCount", i64 100}
!9 = !{!"NumCounts", i64 5}
!10 = !{!"NumFunctions", i64 3}
!11 = !{!"DetailedSummary", !12}
!12 = !{!13, !14, !15, !16, !17, !18, !18, !19, !19, !20, !21, !22, !23, !24, !25, !26, !27, !28}
!13 = !{i32 10000, i64 100, i32 1}
!14 = !{i32 100000, i64 100, i32 1}
!15 = !{i32 200000, i64 100, i32 1}
!16 = !{i32 300000, i64 100, i32 1}
!17 = !{i32 400000, i64 100, i32 1}
!18 = !{i32 500000, i64 100, i32 1}
!19 = !{i32 600000, i64 100, i32 1}
!20 = !{i32 700000, i64 100, i32 1}
!21 = !{i32 800000, i64 100, i32 1}
!22 = !{i32 900000, i64 100, i32 1}
!23 = !{i32 950000, i64 100, i32 1}
!24 = !{i32 990000, i64 1, i32 4}
!25 = !{i32 999000, i64 1, i32 4}
!26 = !{i32 999900, i64 1, i32 4}
!27 = !{i32 999990, i64 1, i32 4}
!28 = !{i32 999999, i64 1, i32 4}
!29 = !{!"clang version 6.0.0 (123456)"}
!30 = !{!"function_entry_count", i64 2}
!31 = !{!"branch_weights", i32 100, i32 1}
!32 = !{!"branch_weights", i32 0, i32 100}
|