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52 lines
1.2 KiB
52 lines
1.2 KiB
// RUN: %clangxx_cfi -g -fsanitize-stats -o %t %s |
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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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// FIXME: We currently emit the wrong debug info under devirtualization. |
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// UNSUPPORTED: devirt |
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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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