56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
// RUN: %clangxx_cfi %debug_info_flags -fsanitize-stats -o %t %s
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// RUN: env SANITIZER_STATS_PATH=%t.stats %run %t
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// RUN: sanstats %t.stats | FileCheck %s
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// FIXME: We currently emit the wrong debug info under devirtualization.
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// UNSUPPORTED: devirt
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// FIXME: %t.stats must be transferred from device to host for this to work on Android.
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// XFAIL: android
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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" __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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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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