| 1 | // RUN: %clangxx_cfi %debug_info_flags -fsanitize-stats -o %t %s |
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| 2 | // RUN: env SANITIZER_STATS_PATH=%t.stats %run %t |
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| 3 | // RUN: sanstats %t.stats | FileCheck %s |
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| 4 | |
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| 5 | // FIXME: We currently emit the wrong debug info under devirtualization. |
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| 6 | // UNSUPPORTED: devirt |
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| 7 | |
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| 8 | // FIXME: %t.stats must be transferred from device to host for this to work on Android. |
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| 9 | // XFAIL: android |
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| 10 | |
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| 11 | struct ABase {}; |
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| 12 | |
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| 13 | struct A : ABase { |
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| 14 | virtual void vf() {} |
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| 15 | void nvf() {} |
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| 16 | }; |
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| 17 | |
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| 18 | extern "C" __attribute__((noinline)) void vcall(A *a) { |
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| 19 | // CHECK: stats.cpp:[[@LINE+1]] {{_?}}vcall cfi-vcall 37 |
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| 20 | a->vf(); |
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| 21 | } |
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| 22 | |
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| 23 | extern "C" __attribute__((noinline)) void nvcall(A *a) { |
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| 24 | // CHECK: stats.cpp:[[@LINE+1]] {{_?}}nvcall cfi-nvcall 51 |
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| 25 | a->nvf(); |
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| 26 | } |
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| 27 | |
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| 28 | extern "C" __attribute__((noinline)) A *dcast(A *a) { |
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| 29 | // CHECK: stats.cpp:[[@LINE+1]] {{_?}}dcast cfi-derived-cast 24 |
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| 30 | return (A *)(ABase *)a; |
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| 31 | } |
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| 32 | |
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| 33 | extern "C" __attribute__((noinline)) A *ucast(A *a) { |
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| 34 | // CHECK: stats.cpp:[[@LINE+1]] {{_?}}ucast cfi-unrelated-cast 81 |
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| 35 | return (A *)(char *)a; |
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| 36 | } |
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| 37 | |
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| 38 | extern "C" __attribute__((noinline)) void unreachable(A *a) { |
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| 39 | // CHECK-NOT: unreachable |
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| 40 | a->vf(); |
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| 41 | } |
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| 42 | |
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| 43 | int main() { |
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| 44 | A a; |
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| 45 | for (unsigned i = 0; i != 37; ++i) |
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| 46 | vcall(a: &a); |
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| 47 | for (unsigned i = 0; i != 51; ++i) |
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| 48 | nvcall(a: &a); |
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| 49 | for (unsigned i = 0; i != 24; ++i) |
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| 50 | dcast(a: &a); |
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| 51 | for (unsigned i = 0; i != 81; ++i) |
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| 52 | ucast(a: &a); |
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| 53 | for (unsigned i = 0; i != 0; ++i) |
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| 54 | unreachable(a: &a); |
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| 55 | } |
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| 56 | |
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