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
|
// Testing that changing a declaration in an unused module file won't change
// the BMI of the current module file.
//
// RUN: rm -rf %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 %t/m-partA.cppm -emit-reduced-module-interface -o %t/m-partA.pcm
// RUN: %clang_cc1 -std=c++20 %t/m-partA.v1.cppm -emit-reduced-module-interface -o \
// RUN: %t/m-partA.v1.pcm
// RUN: %clang_cc1 -std=c++20 %t/m-partB.cppm -emit-reduced-module-interface -o %t/m-partB.pcm
// RUN: %clang_cc1 -std=c++20 %t/m.cppm -emit-reduced-module-interface -o %t/m.pcm \
// RUN: -fmodule-file=m:partA=%t/m-partA.pcm -fmodule-file=m:partB=%t/m-partB.pcm
// RUN: %clang_cc1 -std=c++20 %t/m.cppm -emit-reduced-module-interface -o %t/m.v1.pcm \
// RUN: -fmodule-file=m:partA=%t/m-partA.v1.pcm -fmodule-file=m:partB=%t/m-partB.pcm
//
// RUN: %clang_cc1 -std=c++20 %t/useBOnly.cppm -emit-reduced-module-interface -o %t/useBOnly.pcm \
// RUN: -fmodule-file=m=%t/m.pcm -fmodule-file=m:partA=%t/m-partA.pcm \
// RUN: -fmodule-file=m:partB=%t/m-partB.pcm
// RUN: %clang_cc1 -std=c++20 %t/useBOnly.cppm -emit-reduced-module-interface -o %t/useBOnly.v1.pcm \
// RUN: -fmodule-file=m=%t/m.v1.pcm -fmodule-file=m:partA=%t/m-partA.v1.pcm \
// RUN: -fmodule-file=m:partB=%t/m-partB.pcm
// Since useBOnly only uses partB from module M, the change in partA shouldn't affect
// useBOnly.
// RUN: diff %t/useBOnly.pcm %t/useBOnly.v1.pcm &> /dev/null
//--- m-partA.cppm
export module m:partA;
namespace A_Impl {
inline int getAImpl() {
return 43;
}
inline int getA2Impl() {
return 43;
}
}
namespace A {
using A_Impl::getAImpl;
}
export inline int getA() {
return 43;
}
//--- m-partA.v1.cppm
export module m:partA;
namespace A_Impl {
inline int getAImpl() {
return 43;
}
inline int getA2Impl() {
return 43;
}
}
namespace A {
using A_Impl::getAImpl;
using A_Impl::getA2Impl;
}
inline int getA() {
return 43;
}
// The consuming module which didn't use m:partA completely is expected to be
// not changed.
inline int getB(int) {
return 88;
}
//--- m-partB.cppm
export module m:partB;
export inline int getB() {
return 430;
}
//--- m.cppm
export module m;
export import :partA;
export import :partB;
//--- useBOnly.cppm
export module useBOnly;
import m;
export inline int get() {
return getB();
}
//--- useAOnly.cppm
export module useAOnly;
import m;
export inline int get() {
A<int> a;
return a.getValue();
}
|
