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131
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1 // { dg-do compile { target c++17 } }
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2 // { dg-options "-O2 -fdump-tree-eipa_sra" }
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3
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4
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5 #include <type_traits>
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6
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7 typedef unsigned char __uint8_t;
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8 typedef __uint8_t uint8_t;
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9
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10
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11 struct A {
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12 A() = default;
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13 A(const A& o) = default;
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14 A(const volatile A& o) : m1(o.m1) {}
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15 uint8_t m1{0};
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16 };
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17
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18 volatile uint8_t v;
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19
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20 template<typename T>
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21 void f(const T& x) __attribute__((noinline));
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22 template<typename T>
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23 void f(const T& x) {
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24 if constexpr(std::is_same<std::remove_cv_t<T>, A>::value) {
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25 v = x.m1;
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26 }
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27 else {
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28 v = x;
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29 }
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30 }
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31
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32 uint8_t n1;
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33 A n2;
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34
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35 int main() {
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36 f(n1);
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37 f(n2);
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38 }
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39
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40 // { dg-final { scan-tree-dump-times "Adjusting call" 2 "eipa_sra" } }
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