Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/g++.dg/ipa/pr81248.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | |
children | 1830386684a0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/ipa/pr81248.C Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,40 @@ +// { dg-do compile { target c++17 } } +// { dg-options "-O2 -fdump-tree-eipa_sra" } + + +#include <type_traits> + +typedef unsigned char __uint8_t; +typedef __uint8_t uint8_t; + + +struct A { + A() = default; + A(const A& o) = default; + A(const volatile A& o) : m1(o.m1) {} + uint8_t m1{0}; +}; + +volatile uint8_t v; + +template<typename T> +void f(const T& x) __attribute__((noinline)); +template<typename T> +void f(const T& x) { + if constexpr(std::is_same<std::remove_cv_t<T>, A>::value) { + v = x.m1; + } + else { + v = x; + } +} + +uint8_t n1; +A n2; + +int main() { + f(n1); + f(n2); +} + +// { dg-final { scan-tree-dump-times "Adjusting call" 2 "eipa_sra" } }