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 | static constexpr char kPhase[] = "instrument"; |
6 | __xray_customevent(kPhase, 10); |
7 | // CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 10) |
8 | } |
9 | |
10 | // CHECK-LABEL: @_Z15neverInstrumentv |
11 | [[clang::xray_never_instrument]] void neverInstrument() { |
12 | static constexpr char kPhase[] = "never"; |
13 | __xray_customevent(kPhase, 5); |
14 | // CHECK-NOT: call void @llvm.xray.customevent(i8*{{.*}}, i32 5) |
15 | } |
16 | |
17 | // CHECK-LABEL: @_Z21conditionalInstrumenti |
18 | [[clang::xray_always_instrument]] void conditionalInstrument(int v) { |
19 | static constexpr char kTrue[] = "true"; |
20 | static constexpr char kUntrue[] = "untrue"; |
21 | if (v % 2) |
22 | __xray_customevent(kTrue, 4); |
23 | else |
24 | __xray_customevent(kUntrue, 6); |
25 | |
26 | // CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 4) |
27 | // CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 6) |
28 | } |
29 | |