| 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,OLD-PATH |
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| 2 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - -O1 %s | FileCheck %s --check-prefixes=CHECK,OLD-PATH |
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| 3 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,OLD-PATH |
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| 4 | // |
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| 5 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -new-struct-path-tbaa -o - -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,NEW-PATH |
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| 6 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -new-struct-path-tbaa -o - -O1 %s | FileCheck %s --check-prefixes=CHECK,NEW-PATH |
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| 7 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -new-struct-path-tbaa -o - -O1 -relaxed-aliasing -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,NEW-PATH |
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| 8 | // |
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| 9 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s --check-prefix=NOTBAA |
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| 10 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - -O2 -relaxed-aliasing %s | FileCheck %s --check-prefix=NOTBAA |
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| 11 | // |
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| 12 | // Check that we generate TBAA for vtable pointer loads and stores. |
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| 13 | // When -fsanitize=thread is used TBAA should be generated at all opt levels |
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| 14 | // even if -relaxed-aliasing is present. |
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| 15 | struct A { |
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| 16 | virtual int foo() const ; |
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| 17 | virtual ~A(); |
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| 18 | }; |
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| 19 | |
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| 20 | void CreateA() { |
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| 21 | new A; |
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| 22 | } |
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| 23 | |
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| 24 | void CallFoo(A *a, int (A::*fp)() const) { |
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| 25 | a->foo(); |
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| 26 | (a->*fp)(); |
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| 27 | } |
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| 28 | |
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| 29 | // CHECK-LABEL: @_Z7CallFoo |
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| 30 | // CHECK: %{{.*}} = load i32 (%struct.A*)**, {{.*}} !tbaa ![[NUM:[0-9]+]] |
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| 31 | // CHECK: br i1 |
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| 32 | // CHECK: load i8*, {{.*}}, !tbaa ![[NUM]] |
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| 33 | // |
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| 34 | // CHECK-LABEL: @_ZN1AC2Ev |
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| 35 | // CHECK: store i32 (...)** {{.*}}, !tbaa ![[NUM]] |
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| 36 | // |
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| 37 | // OLD-PATH: [[NUM]] = !{[[TYPE:!.*]], [[TYPE]], i64 0} |
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| 38 | // OLD-PATH: [[TYPE]] = !{!"vtable pointer", !{{.*}} |
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| 39 | // NEW-PATH: [[NUM]] = !{[[TYPE:!.*]], [[TYPE]], i64 0, i64 [[POINTER_SIZE:.*]]} |
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| 40 | // NEW-PATH: [[TYPE]] = !{!{{.*}}, i64 [[POINTER_SIZE]], !"vtable pointer"} |
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| 41 | // NOTBAA-NOT: = !{!"Simple C++ TBAA"} |
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| 42 | |
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