mirror of https://github.com/microsoft/clang.git
35 lines
1.3 KiB
C++
35 lines
1.3 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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// Event types would normally come from calling __xray_register_event_type
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// from compiler-rt
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auto EventType = 1;
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static constexpr char kPhase[] = "instrument";
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__xray_typedevent(EventType, kPhase, 10);
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// CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, 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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auto EventType = 2;
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static constexpr char kPhase[] = "never";
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__xray_typedevent(EventType, kPhase, 5);
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// CHECK-NOT: call void @llvm.xray.typedevent(i16 {{.*}}, 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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auto TrueEventType = 3;
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auto UntrueEventType = 4;
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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_typedevent(TrueEventType, kTrue, 4);
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else
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__xray_typedevent(UntrueEventType, kUntrue, 6);
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// CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 4)
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// CHECK: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 6)
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}
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