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
|
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// Basic C++ test for update_cc_test_checks
// RUN: %clang_cc1 -triple=x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
class Foo {
int x;
public:
explicit Foo(int x);
~Foo();
// CHECK-LABEL: @_ZNK3Foo23function_defined_inlineEi(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %class.Foo*, align 8
// CHECK-NEXT: [[ARG_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store %class.Foo* [[THIS:%.*]], %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[ARG:%.*]], i32* [[ARG_ADDR]], align 4
// CHECK-NEXT: [[THIS1:%.*]] = load %class.Foo*, %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARG_ADDR]], align 4
// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[CLASS_FOO:%.*]], %class.Foo* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[X]], align 4
// CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: ret i32 [[ADD]]
//
inline int function_defined_inline(int arg) const {
return arg + x;
}
inline int function_defined_out_of_line(int arg) const;
};
// CHECK-LABEL: @_ZN3FooC1Ei(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %class.Foo*, align 8
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store %class.Foo* [[THIS:%.*]], %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[X:%.*]], i32* [[X_ADDR]], align 4
// CHECK-NEXT: [[THIS1:%.*]] = load %class.Foo*, %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[X_ADDR]], align 4
// CHECK-NEXT: call void @_ZN3FooC2Ei(%class.Foo* nonnull align 4 dereferenceable(4) [[THIS1]], i32 [[TMP0]])
// CHECK-NEXT: ret void
//
Foo::Foo(int x) : x(x) {}
// CHECK-LABEL: @_ZN3FooD1Ev(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %class.Foo*, align 8
// CHECK-NEXT: store %class.Foo* [[THIS:%.*]], %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %class.Foo*, %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: call void @_ZN3FooD2Ev(%class.Foo* nonnull align 4 dereferenceable(4) [[THIS1]]) #[[ATTR3:[0-9]+]]
// CHECK-NEXT: ret void
//
Foo::~Foo() {}
// CHECK-LABEL: @_ZNK3Foo28function_defined_out_of_lineEi(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %class.Foo*, align 8
// CHECK-NEXT: [[ARG_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store %class.Foo* [[THIS:%.*]], %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[ARG:%.*]], i32* [[ARG_ADDR]], align 4
// CHECK-NEXT: [[THIS1:%.*]] = load %class.Foo*, %class.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[CLASS_FOO:%.*]], %class.Foo* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[X]], align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARG_ADDR]], align 4
// CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: ret i32 [[SUB]]
//
int Foo::function_defined_out_of_line(int arg) const { return x - arg; }
// Call the inline methods to ensure the LLVM IR is generated:
// CHECK-LABEL: @main(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[F:%.*]] = alloca [[CLASS_FOO:%.*]], align 4
// CHECK-NEXT: call void @_ZN3FooC1Ei(%class.Foo* nonnull align 4 dereferenceable(4) [[F]], i32 1)
// CHECK-NEXT: [[CALL:%.*]] = call i32 @_ZNK3Foo23function_defined_inlineEi(%class.Foo* nonnull align 4 dereferenceable(4) [[F]], i32 2)
// CHECK-NEXT: [[CALL1:%.*]] = call i32 @_ZNK3Foo28function_defined_out_of_lineEi(%class.Foo* nonnull align 4 dereferenceable(4) [[F]], i32 3)
// CHECK-NEXT: call void @_ZN3FooD1Ev(%class.Foo* nonnull align 4 dereferenceable(4) [[F]]) #[[ATTR3]]
// CHECK-NEXT: ret i32 0
//
int main() {
Foo f(1);
f.function_defined_inline(2);
f.function_defined_out_of_line(3);
}
|
