| 1 | // RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| 2 | |
| 3 | // CHECK-LABEL: @_Z16alwaysInstrumentv |
| 4 | [[clang::xray_always_instrument]] void alwaysInstrument() { |
| 5 | // Event types would normally come from calling __xray_register_event_type |
| 6 | // from compiler-rt |
| 7 | auto EventType = 1; |
| 8 | static constexpr char kPhase[] = "instrument"; |
| 9 | __xray_typedevent(EventType, kPhase, 10); |
| 10 | // CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 10) |
| 11 | } |
| 12 | |
| 13 | // CHECK-LABEL: @_Z15neverInstrumentv |
| 14 | [[clang::xray_never_instrument]] void neverInstrument() { |
| 15 | auto EventType = 2; |
| 16 | static constexpr char kPhase[] = "never"; |
| 17 | __xray_typedevent(EventType, kPhase, 5); |
| 18 | // CHECK-NOT: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 5) |
| 19 | } |
| 20 | |
| 21 | // CHECK-LABEL: @_Z21conditionalInstrumenti |
| 22 | [[clang::xray_always_instrument]] void conditionalInstrument(int v) { |
| 23 | auto TrueEventType = 3; |
| 24 | auto UntrueEventType = 4; |
| 25 | static constexpr char kTrue[] = "true"; |
| 26 | static constexpr char kUntrue[] = "untrue"; |
| 27 | if (v % 2) |
| 28 | __xray_typedevent(TrueEventType, kTrue, 4); |
| 29 | else |
| 30 | __xray_typedevent(UntrueEventType, kUntrue, 6); |
| 31 | |
| 32 | // CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 4) |
| 33 | // CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 6) |
| 34 | } |
| 35 | |