1651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// Test instrumentation of C++ exception handling constructs. 2651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 3651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// FIXME: Don't seek bb labels, like "if.else" 4651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// REQUIRES: asserts 5651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 6651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// RUN: %clangxx %s -o - -emit-llvm -S -fprofile-instr-generate -target %itanium_abi_triple | FileCheck -check-prefix=PGOGEN %s 7651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// RUN: %clangxx %s -o - -emit-llvm -S -fprofile-instr-generate -target %itanium_abi_triple | FileCheck -check-prefix=PGOGEN-EXC %s 8651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 96bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// RUN: llvm-profdata merge %S/Inputs/cxx-throws.proftext -o %t.profdata 106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%t.profdata -target %itanium_abi_triple | FileCheck -check-prefix=PGOUSE %s 116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%t.profdata -target %itanium_abi_triple | FileCheck -check-prefix=PGOUSE-EXC %s 12651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// PGOGEN: @[[THC:__llvm_profile_counters__Z6throwsv]] = hidden global [9 x i64] zeroinitializer 146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// PGOGEN-EXC: @[[THC:__llvm_profile_counters__Z6throwsv]] = hidden global [9 x i64] zeroinitializer 15651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 16651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOGEN-LABEL: @_Z6throwsv() 17651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-LABEL: @_Z6throwsv() 18651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 0 19651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid throws() { 20651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: store {{.*}} @[[THC]], i64 0, i64 1 21651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: br {{.*}} !prof ![[TH1:[0-9]+]] 22651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines for (int i = 0; i < 100; ++i) { 23651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines try { 24651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: store {{.*}} @[[THC]], i64 0, i64 3 25651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: br {{.*}} !prof ![[TH2:[0-9]+]] 26651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (i % 3) { 27651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: store {{.*}} @[[THC]], i64 0, i64 4 28651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: br {{.*}} !prof ![[TH3:[0-9]+]] 29651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (i < 50) 30651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines throw 1; 31651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } else { 32651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // The catch block may be emitted after the throw above, we can skip it 33651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // by looking for an else block, but this will break if anyone puts an 34651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // else in the catch 35651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: if.else{{.*}}: 36651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: if.else{{.*}}: 37651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 38651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: store {{.*}} @[[THC]], i64 0, i64 5 39651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: br {{.*}} !prof ![[TH4:[0-9]+]] 40651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (i >= 50) 41651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines throw 0; 42651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 43651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } catch (int e) { 44651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE-EXC: catch{{.*}}: 45651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN-EXC: catch{{.*}}: 46651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 47651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN-EXC: store {{.*}} @[[THC]], i64 0, i64 6 48651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN-EXC: store {{.*}} @[[THC]], i64 0, i64 7 49651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE-EXC: br {{.*}} !prof ![[TH5:[0-9]+]] 50651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (e) {} 51651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 52651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: store {{.*}} @[[THC]], i64 0, i64 2 53651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 54651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOGEN: store {{.*}} @[[THC]], i64 0, i64 8 55651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: br {{.*}} !prof ![[TH6:[0-9]+]] 56651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (i < 100) {} 57651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 58651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 59651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ 60651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // PGOUSE: ret void 61651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 62651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 63651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-DAG: ![[TH1]] = metadata !{metadata !"branch_weights", i32 101, i32 2} 64651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-DAG: ![[TH2]] = metadata !{metadata !"branch_weights", i32 67, i32 35} 65651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-DAG: ![[TH3]] = metadata !{metadata !"branch_weights", i32 34, i32 34} 66651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-DAG: ![[TH4]] = metadata !{metadata !"branch_weights", i32 18, i32 18} 67651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-EXC: ![[TH5]] = metadata !{metadata !"branch_weights", i32 34, i32 18} 68651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// PGOUSE-DAG: ![[TH6]] = metadata !{metadata !"branch_weights", i32 101, i32 1} 69651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 70651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesint main(int argc, const char *argv[]) { 71651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines throws(); 72651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return 0; 73651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 74