1 // Tests for instrumentation of C++ methods, constructors, and destructors. 2 3 // RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-generate -fno-exceptions -target %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 9 // RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%S/Inputs/cxx-class.profdata -fno-exceptions -target %itanium_abi_triple > %tuse 10 // RUN: FileCheck --input-file=%tuse -check-prefix=CTRUSE %s 11 // RUN: FileCheck --input-file=%tuse -check-prefix=DTRUSE %s 12 // RUN: FileCheck --input-file=%tuse -check-prefix=MTHUSE %s 13 // RUN: FileCheck --input-file=%tuse -check-prefix=WRPUSE %s 14 15 class Simple { 16 int Member; 17 public: 18 // CTRGEN-LABEL: define {{.*}} @_ZN6SimpleC2Ei( 19 // CTRUSE-LABEL: define {{.*}} @_ZN6SimpleC2Ei( 20 // CTRGEN: store {{.*}} @[[SCC:__llvm_profile_counters__ZN6SimpleC2Ei]], i64 0, i64 0 21 explicit Simple(int Member) : Member(Member) { 22 // CTRGEN: store {{.*}} @[[SCC]], i64 0, i64 1 23 // CTRUSE: br {{.*}} !prof ![[SC1:[0-9]+]] 24 if (Member) {} 25 // CTRGEN-NOT: store {{.*}} @[[SCC]], 26 // CTRUSE-NOT: br {{.*}} !prof ![0-9]+ 27 // CTRUSE: ret 28 } 29 // CTRUSE: ![[SC1]] = metadata !{metadata !"branch_weights", i32 100, i32 2} 30 31 // DTRGEN-LABEL: define {{.*}} @_ZN6SimpleD2Ev( 32 // DTRUSE-LABEL: define {{.*}} @_ZN6SimpleD2Ev( 33 // DTRGEN: store {{.*}} @[[SDC:__llvm_profile_counters__ZN6SimpleD2Ev]], i64 0, i64 0 34 ~Simple() { 35 // DTRGEN: store {{.*}} @[[SDC]], i64 0, i64 1 36 // DTRUSE: br {{.*}} !prof ![[SD1:[0-9]+]] 37 if (Member) {} 38 // DTRGEN-NOT: store {{.*}} @[[SDC]], 39 // DTRUSE-NOT: br {{.*}} !prof ![0-9]+ 40 // DTRUSE: ret 41 } 42 // DTRUSE: ![[SD1]] = metadata !{metadata !"branch_weights", i32 100, i32 2} 43 44 // MTHGEN-LABEL: define {{.*}} @_ZN6Simple6methodEv( 45 // MTHUSE-LABEL: define {{.*}} @_ZN6Simple6methodEv( 46 // MTHGEN: store {{.*}} @[[SMC:__llvm_profile_counters__ZN6Simple6methodEv]], i64 0, i64 0 47 void method() { 48 // MTHGEN: store {{.*}} @[[SMC]], i64 0, i64 1 49 // MTHUSE: br {{.*}} !prof ![[SM1:[0-9]+]] 50 if (Member) {} 51 // MTHGEN-NOT: store {{.*}} @[[SMC]], 52 // MTHUSE-NOT: br {{.*}} !prof ![0-9]+ 53 // MTHUSE: ret 54 } 55 // MTHUSE: ![[SM1]] = metadata !{metadata !"branch_weights", i32 100, i32 2} 56 }; 57 58 // WRPGEN-LABEL: define {{.*}} @_Z14simple_wrapperv( 59 // WRPUSE-LABEL: define {{.*}} @_Z14simple_wrapperv( 60 // WRPGEN: store {{.*}} @[[SWC:__llvm_profile_counters__Z14simple_wrapperv]], i64 0, i64 0 61 void simple_wrapper() { 62 // WRPGEN: store {{.*}} @[[SWC]], i64 0, i64 1 63 // WRPUSE: br {{.*}} !prof ![[SW1:[0-9]+]] 64 for (int I = 0; I < 100; ++I) { 65 Simple S(I); 66 S.method(); 67 } 68 // WRPGEN-NOT: store {{.*}} @[[SWC]], 69 // WRPUSE-NOT: br {{.*}} !prof ![0-9]+ 70 // WRPUSE: ret 71 } 72 // WRPUSE: ![[SW1]] = metadata !{metadata !"branch_weights", i32 101, i32 2} 73 74 int main(int argc, const char *argv[]) { 75 simple_wrapper(); 76 return 0; 77 } 78