| // RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| |
| // CHECK-LABEL: @_Z16alwaysInstrumentv |
| [[clang::xray_always_instrument]] void alwaysInstrument() { |
| // Event types would normally come from calling __xray_register_event_type |
| // from compiler-rt |
| auto EventType = 1; |
| static constexpr char kPhase[] = "instrument"; |
| __xray_typedevent(EventType, kPhase, 10); |
| // CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 10) |
| } |
| |
| // CHECK-LABEL: @_Z15neverInstrumentv |
| [[clang::xray_never_instrument]] void neverInstrument() { |
| auto EventType = 2; |
| static constexpr char kPhase[] = "never"; |
| __xray_typedevent(EventType, kPhase, 5); |
| // CHECK-NOT: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 5) |
| } |
| |
| // CHECK-LABEL: @_Z21conditionalInstrumenti |
| [[clang::xray_always_instrument]] void conditionalInstrument(int v) { |
| auto TrueEventType = 3; |
| auto UntrueEventType = 4; |
| static constexpr char kTrue[] = "true"; |
| static constexpr char kUntrue[] = "untrue"; |
| if (v % 2) |
| __xray_typedevent(TrueEventType, kTrue, 4); |
| else |
| __xray_typedevent(UntrueEventType, kUntrue, 6); |
| |
| // CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 4) |
| // CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 6) |
| } |
