derek.holloway
7502bf64a4
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52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux -fvisibility=hidden -fsanitize=cfi-vcall,cfi-nvcall,cfi-derived-cast,cfi-unrelated-cast,cfi-icall -fsanitize-stats -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux -fvisibility=hidden -fsanitize=cfi-vcall,cfi-nvcall,cfi-derived-cast,cfi-unrelated-cast,cfi-icall -fsanitize-trap=cfi-vcall -fwhole-program-vtables -fsanitize-stats -emit-llvm -o - %s | FileCheck %s
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// CHECK: [[STATS:@[^ ]*]] = internal global { ptr, i32, [5 x [2 x ptr]] } { ptr null, i32 5, [5 x [2 x ptr]]
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// CHECK: {{\[\[}}2 x ptr] zeroinitializer,
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// CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 2305843009213693952 to ptr)],
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// CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 4611686018427387904 to ptr)],
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// CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 6917529027641081856 to ptr)],
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// CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 -9223372036854775808 to ptr)]] }
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// CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr [[CTOR:@[^ ]*]], ptr null }]
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struct A {
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virtual void vf();
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void nvf();
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};
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struct B : A {};
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// CHECK: @vcall
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extern "C" void vcall(A *a) {
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// CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 0
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a->vf();
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}
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// CHECK: @nvcall
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extern "C" void nvcall(A *a) {
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// CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 1
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a->nvf();
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}
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// CHECK: @dcast
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extern "C" void dcast(A *a) {
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// CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 2
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static_cast<B *>(a);
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}
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// CHECK: @ucast
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extern "C" void ucast(void *a) {
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// CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 3
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reinterpret_cast<A *>(a);
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}
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// CHECK: @icall
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extern "C" void icall(void (*p)()) {
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// CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 4
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p();
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}
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// CHECK: define internal void [[CTOR]]()
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// CHECK-NEXT: call void @__sanitizer_stat_init(ptr [[STATS]])
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// CHECK-NEXT: ret void
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