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 | |