1 // Tests for instrumentation of C++ methods, constructors, and destructors.
2 
3 // RUN: %clang_cc1 %s -o - -emit-llvm -fprofile-instrument=clang -triple %itanium_abi_triple > %tgen
4 // RUN: FileCheck --input-file=%tgen -check-prefix=CTRGEN %s
5 // RUN: FileCheck --input-file=%tgen -check-prefix=DTRGEN %s
6 // RUN: FileCheck --input-file=%tgen -check-prefix=MTHGEN %s
7 // RUN: FileCheck --input-file=%tgen -check-prefix=WRPGEN %s
8 // RUN: FileCheck --input-file=%tgen -check-prefix=VCTRGEN %s
9 // RUN: FileCheck --input-file=%tgen -check-prefix=VDTRGEN %s
10 
11 // RUN: llvm-profdata merge %S/Inputs/cxx-class.proftext -o %t.profdata
12 // RUN: %clang_cc1 %s -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata -triple %itanium_abi_triple > %tuse
13 // RUN: FileCheck --input-file=%tuse -check-prefix=CTRUSE %s
14 // RUN: FileCheck --input-file=%tuse -check-prefix=DTRUSE %s
15 // RUN: FileCheck --input-file=%tuse -check-prefix=MTHUSE %s
16 // RUN: FileCheck --input-file=%tuse -check-prefix=WRPUSE %s
17 // RUN: FileCheck --input-file=%tuse -check-prefix=VCTRUSE %s
18 // RUN: FileCheck --input-file=%tuse -check-prefix=VDTRUSE %s
19 
20 class Simple {
21 public:
22   int Member;
23   // CTRGEN-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
24   // CTRUSE-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
25   // CTRGEN: store {{.*}} @[[SCC:__profc__ZN6SimpleC2Ei]], i64 0, i64 0
Simple(int Member)26   explicit Simple(int Member) : Member(Member) {
27     // CTRGEN: store {{.*}} @[[SCC]], i64 0, i64 1
28     // CTRUSE: br {{.*}} !prof ![[SC1:[0-9]+]]
29     if (Member) {}
30     // CTRGEN-NOT: store {{.*}} @[[SCC]],
31     // CTRUSE-NOT: br {{.*}} !prof ![0-9]+
32     // CTRUSE: ret
33   }
34   // CTRUSE: ![[SC1]] = !{!"branch_weights", i32 100, i32 2}
35 
36   // DTRGEN-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
37   // DTRUSE-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
38   // DTRGEN: store {{.*}} @[[SDC:__profc__ZN6SimpleD2Ev]], i64 0, i64 0
~Simple()39   ~Simple() {
40     // DTRGEN: store {{.*}} @[[SDC]], i64 0, i64 1
41     // DTRUSE: br {{.*}} !prof ![[SD1:[0-9]+]]
42     if (Member) {}
43     // DTRGEN-NOT: store {{.*}} @[[SDC]],
44     // DTRUSE-NOT: br {{.*}} !prof ![0-9]+
45     // DTRUSE: ret
46   }
47   // DTRUSE: ![[SD1]] = !{!"branch_weights", i32 100, i32 2}
48 
49   // MTHGEN-LABEL: define {{.*}} @_ZN6Simple6methodEv(
50   // MTHUSE-LABEL: define {{.*}} @_ZN6Simple6methodEv(
51   // MTHGEN: store {{.*}} @[[SMC:__profc__ZN6Simple6methodEv]], i64 0, i64 0
method()52   void method() {
53     // MTHGEN: store {{.*}} @[[SMC]], i64 0, i64 1
54     // MTHUSE: br {{.*}} !prof ![[SM1:[0-9]+]]
55     if (Member) {}
56     // MTHGEN-NOT: store {{.*}} @[[SMC]],
57     // MTHUSE-NOT: br {{.*}} !prof ![0-9]+
58     // MTHUSE: ret
59   }
60   // MTHUSE: ![[SM1]] = !{!"branch_weights", i32 100, i32 2}
61 };
62 
63 class Derived : virtual public Simple {
64 public:
65   // VCTRGEN-LABEL: define {{.*}} @_ZN7DerivedC1Ev(
66   // VCTRUSE-LABEL: define {{.*}} @_ZN7DerivedC1Ev(
67   // VCTRGEN: store {{.*}} @[[SCC:__profc__ZN7DerivedC1Ev]], i64 0, i64 0
Derived()68   Derived() : Simple(0) {
69     // VCTRGEN: store {{.*}} @[[SCC]], i64 0, i64 1
70     // VCTRUSE: br {{.*}} !prof ![[SC1:[0-9]+]]
71     if (Member) {}
72     // VCTRGEN-NOT: store {{.*}} @[[SCC]],
73     // VCTRUSE-NOT: br {{.*}} !prof ![0-9]+
74     // VCTRUSE: ret
75   }
76   // VCTRUSE: ![[SC1]] = !{!"branch_weights", i32 100, i32 2}
77 
78   // VDTRGEN-LABEL: define {{.*}} @_ZN7DerivedD2Ev(
79   // VDTRUSE-LABEL: define {{.*}} @_ZN7DerivedD2Ev(
80   // VDTRGEN: store {{.*}} @[[SDC:__profc__ZN7DerivedD2Ev]], i64 0, i64 0
~Derived()81   ~Derived() {
82     // VDTRGEN: store {{.*}} @[[SDC]], i64 0, i64 1
83     // VDTRUSE: br {{.*}} !prof ![[SD1:[0-9]+]]
84     if (Member) {}
85     // VDTRGEN-NOT: store {{.*}} @[[SDC]],
86     // VDTRUSE-NOT: br {{.*}} !prof ![0-9]+
87     // VDTRUSE: ret
88   }
89   // VDTRUSE: ![[SD1]] = !{!"branch_weights", i32 100, i32 2}
90 };
91 
92 // WRPGEN-LABEL: define {{.*}} @_Z14simple_wrapperv(
93 // WRPUSE-LABEL: define {{.*}} @_Z14simple_wrapperv(
94 // WRPGEN: store {{.*}} @[[SWC:__profc__Z14simple_wrapperv]], i64 0, i64 0
simple_wrapper()95 void simple_wrapper() {
96   // WRPGEN: store {{.*}} @[[SWC]], i64 0, i64 1
97   // WRPUSE: br {{.*}} !prof ![[SW1:[0-9]+]]
98   for (int I = 0; I < 100; ++I) {
99     Derived d;
100     Simple S(I);
101     S.method();
102   }
103   // WRPGEN-NOT: store {{.*}} @[[SWC]],
104   // WRPUSE-NOT: br {{.*}} !prof ![0-9]+
105   // WRPUSE: ret
106 }
107 // WRPUSE: ![[SW1]] = !{!"branch_weights", i32 101, i32 2}
108 
main(int argc,const char * argv[])109 int main(int argc, const char *argv[]) {
110   simple_wrapper();
111   return 0;
112 }
113