// 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) }