llvm-project/clang/test/Profile/cxx-class.cpp

78 lines
3.0 KiB
C++

// Tests for instrumentation of C++ methods, constructors, and destructors.
// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-generate -fno-exceptions -target %itanium_abi_triple > %tgen
// RUN: FileCheck --input-file=%tgen -check-prefix=CTRGEN %s
// RUN: FileCheck --input-file=%tgen -check-prefix=DTRGEN %s
// RUN: FileCheck --input-file=%tgen -check-prefix=MTHGEN %s
// RUN: FileCheck --input-file=%tgen -check-prefix=WRPGEN %s
// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%S/Inputs/cxx-class.profdata -fno-exceptions -target %itanium_abi_triple > %tuse
// RUN: FileCheck --input-file=%tuse -check-prefix=CTRUSE %s
// RUN: FileCheck --input-file=%tuse -check-prefix=DTRUSE %s
// RUN: FileCheck --input-file=%tuse -check-prefix=MTHUSE %s
// RUN: FileCheck --input-file=%tuse -check-prefix=WRPUSE %s
class Simple {
int Member;
public:
// CTRGEN-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
// CTRUSE-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
// CTRGEN: store {{.*}} @[[SCC:__llvm_profile_counters__ZN6SimpleC2Ei]], i64 0, i64 0
explicit Simple(int Member) : Member(Member) {
// CTRGEN: store {{.*}} @[[SCC]], i64 0, i64 1
// CTRUSE: br {{.*}} !prof ![[SC1:[0-9]+]]
if (Member) {}
// CTRGEN-NOT: store {{.*}} @[[SCC]],
// CTRUSE-NOT: br {{.*}} !prof ![0-9]+
// CTRUSE: ret
}
// CTRUSE: ![[SC1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
// DTRGEN-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
// DTRUSE-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
// DTRGEN: store {{.*}} @[[SDC:__llvm_profile_counters__ZN6SimpleD2Ev]], i64 0, i64 0
~Simple() {
// DTRGEN: store {{.*}} @[[SDC]], i64 0, i64 1
// DTRUSE: br {{.*}} !prof ![[SD1:[0-9]+]]
if (Member) {}
// DTRGEN-NOT: store {{.*}} @[[SDC]],
// DTRUSE-NOT: br {{.*}} !prof ![0-9]+
// DTRUSE: ret
}
// DTRUSE: ![[SD1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
// MTHGEN-LABEL: define {{.*}} @_ZN6Simple6methodEv(
// MTHUSE-LABEL: define {{.*}} @_ZN6Simple6methodEv(
// MTHGEN: store {{.*}} @[[SMC:__llvm_profile_counters__ZN6Simple6methodEv]], i64 0, i64 0
void method() {
// MTHGEN: store {{.*}} @[[SMC]], i64 0, i64 1
// MTHUSE: br {{.*}} !prof ![[SM1:[0-9]+]]
if (Member) {}
// MTHGEN-NOT: store {{.*}} @[[SMC]],
// MTHUSE-NOT: br {{.*}} !prof ![0-9]+
// MTHUSE: ret
}
// MTHUSE: ![[SM1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
};
// WRPGEN-LABEL: define {{.*}} @_Z14simple_wrapperv(
// WRPUSE-LABEL: define {{.*}} @_Z14simple_wrapperv(
// WRPGEN: store {{.*}} @[[SWC:__llvm_profile_counters__Z14simple_wrapperv]], i64 0, i64 0
void simple_wrapper() {
// WRPGEN: store {{.*}} @[[SWC]], i64 0, i64 1
// WRPUSE: br {{.*}} !prof ![[SW1:[0-9]+]]
for (int I = 0; I < 100; ++I) {
Simple S(I);
S.method();
}
// WRPGEN-NOT: store {{.*}} @[[SWC]],
// WRPUSE-NOT: br {{.*}} !prof ![0-9]+
// WRPUSE: ret
}
// WRPUSE: ![[SW1]] = metadata !{metadata !"branch_weights", i32 101, i32 2}
int main(int argc, const char *argv[]) {
simple_wrapper();
return 0;
}