29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
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// CHECK-LABEL: @_Z16alwaysInstrumentv
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[[clang::xray_always_instrument]] void alwaysInstrument() {
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static constexpr char kPhase[] = "instrument";
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__xray_customevent(kPhase, 10);
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// CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 10)
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}
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// CHECK-LABEL: @_Z15neverInstrumentv
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[[clang::xray_never_instrument]] void neverInstrument() {
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static constexpr char kPhase[] = "never";
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__xray_customevent(kPhase, 5);
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// CHECK-NOT: call void @llvm.xray.customevent(i8*{{.*}}, i32 5)
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}
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// CHECK-LABEL: @_Z21conditionalInstrumenti
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[[clang::xray_always_instrument]] void conditionalInstrument(int v) {
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static constexpr char kTrue[] = "true";
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static constexpr char kUntrue[] = "untrue";
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if (v % 2)
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__xray_customevent(kTrue, 4);
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else
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__xray_customevent(kUntrue, 6);
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// CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 4)
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// CHECK: call void @llvm.xray.customevent(i8*{{.*}}, i32 6)
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}
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