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 < %s -inline -pass-remarks=inline -pass-remarks-missed=inline \
; RUN: -pass-remarks-analysis=inline -S 2>&1 | \
; RUN: FileCheck -check-prefix=CHECK -check-prefix=NO_HOTNESS %s
; RUN: opt < %s -inline -pass-remarks=inline -pass-remarks-missed=inline \
; RUN: -pass-remarks-analysis=inline -pass-remarks-with-hotness -S 2>&1 | \
; RUN: FileCheck -check-prefix=CHECK -check-prefix=HOTNESS %s
; RUN: opt < %s -passes=inline -pass-remarks=inline -pass-remarks-missed=inline \
; RUN: -pass-remarks-analysis=inline -S 2>&1 | \
; RUN: FileCheck -check-prefix=CHECK -check-prefix=NO_HOTNESS %s
; RUN: opt < %s -passes=inline -pass-remarks=inline -pass-remarks-missed=inline \
; RUN: -pass-remarks-analysis=inline -pass-remarks-with-hotness -S 2>&1 | \
; RUN: FileCheck -check-prefix=CHECK -check-prefix=HOTNESS %s
; HOTNESS: fox will not be inlined into bar because its definition is unavailable
; NO_HOTNESS-NOT: fox will not be inlined into bar because its definition is unavailable
; CHECK: foo inlined into bar with (cost=always): always inline attribute
; CHECK: foz not inlined into bar because it should never be inlined (cost=never): noinline function attribute
; Function Attrs: alwaysinline nounwind uwtable
define i32 @foo(i32 %x, i32 %y) #0 !prof !1 {
entry:
%x.addr = alloca i32, align 4
%y.addr = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
store i32 %y, i32* %y.addr, align 4
%0 = load i32, i32* %x.addr, align 4
%1 = load i32, i32* %y.addr, align 4
%add = add nsw i32 %0, %1
ret i32 %add
}
; Function Attrs: noinline nounwind uwtable
define float @foz(i32 %x, i32 %y) #1 !prof !1 {
entry:
%x.addr = alloca i32, align 4
%y.addr = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
store i32 %y, i32* %y.addr, align 4
%0 = load i32, i32* %x.addr, align 4
%1 = load i32, i32* %y.addr, align 4
%mul = mul nsw i32 %0, %1
%conv = sitofp i32 %mul to float
ret float %conv
}
declare i32 @fox()
; Function Attrs: nounwind uwtable
define i32 @bar(i32 %j) #2 !prof !1 {
entry:
%j.addr = alloca i32, align 4
store i32 %j, i32* %j.addr, align 4
%0 = load i32, i32* %j.addr, align 4
%1 = load i32, i32* %j.addr, align 4
%sub = sub nsw i32 %1, 2
%call = call i32 @foo(i32 %0, i32 %sub)
%conv = sitofp i32 %call to float
%2 = load i32, i32* %j.addr, align 4
%sub1 = sub nsw i32 %2, 2
%3 = load i32, i32* %j.addr, align 4
%call2 = call float @foz(i32 %sub1, i32 %3)
%mul = fmul float %conv, %call2
%conv3 = fptosi float %mul to i32
%call3 = call i32 @fox()
%add = add i32 %conv3, %call
ret i32 %add
}
attributes #0 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { noinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.ident = !{!0}
!0 = !{!"clang version 3.5.0 "}
!1 = !{!"function_entry_count", i64 10}
|