56 lines · cpp
1// RUN: %clangxx_cfi %debug_info_flags -fsanitize-stats -o %t %s2// RUN: env SANITIZER_STATS_PATH=%t.stats %run %t3// RUN: sanstats %t.stats | FileCheck %s4 5// FIXME: We currently emit the wrong debug info under devirtualization.6// UNSUPPORTED: devirt7 8// FIXME: %t.stats must be transferred from device to host for this to work on Android.9// XFAIL: android10 11struct ABase {};12 13struct A : ABase {14 virtual void vf() {}15 void nvf() {}16};17 18extern "C" __attribute__((noinline)) void vcall(A *a) {19 // CHECK: stats.cpp:[[@LINE+1]] {{_?}}vcall cfi-vcall 3720 a->vf();21}22 23extern "C" __attribute__((noinline)) void nvcall(A *a) {24 // CHECK: stats.cpp:[[@LINE+1]] {{_?}}nvcall cfi-nvcall 5125 a->nvf();26}27 28extern "C" __attribute__((noinline)) A *dcast(A *a) {29 // CHECK: stats.cpp:[[@LINE+1]] {{_?}}dcast cfi-derived-cast 2430 return (A *)(ABase *)a;31}32 33extern "C" __attribute__((noinline)) A *ucast(A *a) {34 // CHECK: stats.cpp:[[@LINE+1]] {{_?}}ucast cfi-unrelated-cast 8135 return (A *)(char *)a;36}37 38extern "C" __attribute__((noinline)) void unreachable(A *a) {39 // CHECK-NOT: unreachable40 a->vf();41}42 43int main() {44 A a;45 for (unsigned i = 0; i != 37; ++i)46 vcall(&a);47 for (unsigned i = 0; i != 51; ++i)48 nvcall(&a);49 for (unsigned i = 0; i != 24; ++i)50 dcast(&a);51 for (unsigned i = 0; i != 81; ++i)52 ucast(&a);53 for (unsigned i = 0; i != 0; ++i)54 unreachable(&a);55}56