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97ba483026
Extend -fxray-instrumentation-bundle to split function-entry and function-exit into two separate options, so that it is possible to instrument only function entry or only function exit. For use cases that only care about one or the other this will save significant overhead and code size. Differential Revision: https://reviews.llvm.org/D72890
66 lines
4.0 KiB
C++
66 lines
4.0 KiB
C++
// RUN: %clang_cc1 -fxray-instrument -fxray-instrumentation-bundle=none -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,NOFUNCTION,NOCUSTOM,NOTYPED %s
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// RUN: %clang_cc1 -fxray-instrument -fxray-instrumentation-bundle=function -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,FUNCTION,NOCUSTOM,NOTYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=custom -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,NOFUNCTION,CUSTOM,NOTYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=typed -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,NOFUNCTION,NOCUSTOM,TYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=custom,typed -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,NOFUNCTION,CUSTOM,TYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function,custom -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,FUNCTION,CUSTOM,NOTYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function,typed -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,FUNCTION,NOCUSTOM,TYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function,custom,typed -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,FUNCTION,CUSTOM,TYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function \
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// RUN: -fxray-instrumentation-bundle=custom \
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// RUN: -fxray-instrumentation-bundle=typed -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,FUNCTION,CUSTOM,TYPED %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function-entry -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,NOCUSTOM,NOTYPED,SKIPEXIT %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function-exit -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,NOCUSTOM,NOTYPED,SKIPENTRY %s
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// RUN: %clang_cc1 -fxray-instrument \
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// RUN: -fxray-instrumentation-bundle=function-entry,function-exit -x c++ \
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// RUN: -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck --check-prefixes CHECK,FUNCTION,NOCUSTOM,NOTYPED %s
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// CHECK: define void @_Z16alwaysInstrumentv() #[[ALWAYSATTR:[0-9]+]] {
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[[clang::xray_always_instrument]] void alwaysInstrument() {
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static constexpr char kPhase[] = "always";
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__xray_customevent(kPhase, 6);
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__xray_typedevent(1, kPhase, 6);
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// CUSTOM: call void @llvm.xray.customevent(i8*{{.*}}, i32 6)
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// NOCUSTOM-NOT: call void @llvm.xray.customevent(i8*{{.*}}, i32 6)
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// TYPED: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 6)
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// NOTYPED-NOT: call void @llvm.xray.typedevent(i16 {{.*}}, i8*{{.*}}, i32 6)
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}
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// FUNCTION: attributes #[[ALWAYSATTR]] = {{.*}} "function-instrument"="xray-always" {{.*}}
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// NOFUNCTION-NOT: attributes #[[ALWAYSATTR]] = {{.*}} "function-instrument"="xray-always" {{.*}}
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// SKIPENTRY: attributes #[[ALWAYSATTR]] = {{.*}} "function-instrument"="xray-always" {{.*}} "xray-skip-entry" {{.*}}
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// SKIPEXIT: attributes #[[ALWAYSATTR]] = {{.*}} "function-instrument"="xray-always" {{.*}} "xray-skip-exit" {{.*}}
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