1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// RUN: %clang_cc1 -no-opaque-pointers -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() {
static constexpr char kPhase[] = "instrument";
__xray_customevent(kPhase, 10);
// CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 10)
}
// CHECK-LABEL: @_Z15neverInstrumentv
[[clang::xray_never_instrument]] void neverInstrument() {
static constexpr char kPhase[] = "never";
__xray_customevent(kPhase, 5);
// CHECK-NOT: call void @llvm.xray.customevent(i8*{{.*}}, i32 5)
}
// CHECK-LABEL: @_Z21conditionalInstrumenti
[[clang::xray_always_instrument]] void conditionalInstrument(int v) {
static constexpr char kTrue[] = "true";
static constexpr char kUntrue[] = "untrue";
if (v % 2)
__xray_customevent(kTrue, 4);
else
__xray_customevent(kUntrue, 6);
// CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 4)
// CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 6)
}
|
