1 // RUN: %clang_cc1 -no-opaque-pointers -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