forked from OSchip/llvm-project
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
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// RUN: %clangxx_cfi_dso -DSHARED_LIB -fPIC -g -fsanitize-stats -shared -o %t.so %s
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// RUN: %clangxx_cfi_dso -g -fsanitize-stats -o %t %s %t.so
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// RUN: env SANITIZER_STATS_PATH=%t.stats %t
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// RUN: sanstats %t.stats | FileCheck %s
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struct ABase {};
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struct A : ABase {
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virtual void vf() {}
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void nvf() {}
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};
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extern "C" void vcall(A *a);
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extern "C" void nvcall(A *a);
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#ifdef SHARED_LIB
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extern "C" __attribute__((noinline)) void vcall(A *a) {
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// CHECK: stats.cpp:[[@LINE+1]] vcall cfi-vcall 37
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a->vf();
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}
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extern "C" __attribute__((noinline)) void nvcall(A *a) {
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// CHECK: stats.cpp:[[@LINE+1]] nvcall cfi-nvcall 51
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a->nvf();
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}
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#else
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extern "C" __attribute__((noinline)) A *dcast(A *a) {
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// CHECK: stats.cpp:[[@LINE+1]] dcast cfi-derived-cast 24
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return (A *)(ABase *)a;
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}
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extern "C" __attribute__((noinline)) A *ucast(A *a) {
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// CHECK: stats.cpp:[[@LINE+1]] ucast cfi-unrelated-cast 81
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return (A *)(char *)a;
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}
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extern "C" __attribute__((noinline)) void unreachable(A *a) {
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// CHECK-NOT: unreachable
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a->vf();
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}
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int main() {
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A a;
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for (unsigned i = 0; i != 37; ++i)
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vcall(&a);
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for (unsigned i = 0; i != 51; ++i)
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nvcall(&a);
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for (unsigned i = 0; i != 24; ++i)
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dcast(&a);
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for (unsigned i = 0; i != 81; ++i)
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ucast(&a);
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for (unsigned i = 0; i != 0; ++i)
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unreachable(&a);
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}
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#endif
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