derek.holloway
7502bf64a4
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72 lines
4.7 KiB
C++
72 lines
4.7 KiB
C++
// RUN: rm -rf %t && mkdir -p %t
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++17 -verify -Wunsafe-buffer-usage -Wno-unused-value
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++17 -Wunused-value -ast-dump -ast-dump-filter unsafeFunc | FileCheck %s --check-prefixes=CHECK-UNSAFE
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++17 -Wunused-value -ast-dump -ast-dump-filter annotatedUnsafeFunc | FileCheck %s --check-prefixes=CHECK-ANNO
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++17 -Wunused-value -ast-dump -ast-dump-filter falseAPINotesButAnnotatedUnsafeFunc | FileCheck %s --check-prefixes=CHECK-ANNO-FALSE
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++17 -Wunused-value -ast-dump -ast-dump-filter funcWithoutAnnotation | FileCheck %s --check-prefixes=CHECK-UNANNO
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// C++20 mode
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// RUN: rm -rf %t && mkdir -p %t
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++20 -verify=expected,cpp20 -Wunsafe-buffer-usage -Wno-unused-value
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++20 -Wunused-value -ast-dump -ast-dump-filter unsafeFunc | FileCheck %s --check-prefixes=CHECK-UNSAFE
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++20 -Wunused-value -ast-dump -ast-dump-filter annotatedUnsafeFunc | FileCheck %s --check-prefixes=CHECK-ANNO
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++20 -Wunused-value -ast-dump -ast-dump-filter falseAPINotesButAnnotatedUnsafeFunc | FileCheck %s --check-prefixes=CHECK-ANNO-FALSE
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules\
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// RUN: -I %S/Inputs/Headers %s -x c++ -std=c++20 -Wunused-value -ast-dump -ast-dump-filter funcWithoutAnnotation | FileCheck %s --check-prefixes=CHECK-UNANNO
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#include "UnsafeBufferUsage.h"
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// CHECK-UNSAFE: FunctionDecl {{.+}} unsafeFunc
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// CHECK-UNSAFE: UnsafeBufferUsageAttr
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// If the function already has the attribute, the APINotes does
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// nothing no matter how the attribute is specified in the .apinotes
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// file:
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// CHECK-ANNO: FunctionDecl {{.+}} annotatedUnsafeFunc
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// CHECK-ANNO: UnsafeBufferUsageAttr
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// CHECK-ANNO-NOT: UnsafeBufferUsageAttr
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// CHECK-ANNO: FunctionDecl {{.+}} annotatedUnsafeFunc
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// CHECK-ANNO-FALSE: FunctionDecl {{.+}} falseAPINotesButAnnotatedUnsafeFunc
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// CHECK-ANNO-FALSE: UnsafeBufferUsageAttr
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// CHECK-UNANNO: FunctionDecl {{.+}} funcWithoutAnnotation
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// CHECK-UNANNO-NOT: UnsafeBufferUsageAttr
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void unsafeFunc(int *p, int n) {
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p[n]; // no warning
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}
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void annotatedUnsafeFunc(int *p, int n) {
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p[n]; // no warning
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}
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void falseAPINotesButAnnotatedUnsafeFunc(int *p, int n) {
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p[n]; // no warning
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}
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void funcWithoutAnnotation(int *p, int n) {
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p[n]; // expected-warning{{unsafe buffer access}}
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// cpp20-note@-1{{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
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}
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void caller(int *p, int n) {
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unsafeFunc(p, n); // expected-warning{{function introduces unsafe buffer manipulation}}
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// cpp20-note@-1{{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
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annotatedUnsafeFunc(p, n); // expected-warning{{function introduces unsafe buffer manipulation}}
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// cpp20-note@-1{{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
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falseAPINotesButAnnotatedUnsafeFunc(p, n); // expected-warning{{function introduces unsafe buffer manipulation}}
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// cpp20-note@-1{{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
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funcWithoutAnnotation(p, n); // no warning
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}
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