Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/attr-likely1.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// { dg-do compile { target c++2a } } // { dg-additional-options -fdump-tree-gimple } // { dg-final { scan-tree-dump-times "hot label" 5 "gimple" } } // { dg-final { scan-tree-dump-times "cold label" 3 "gimple" } } bool b; template <class T> int f() { if (b) [[likely]] return 0; else [[unlikely]] flabel: return 1; switch (b) { [[likely]] case true: break; }; return 1; } int main() { if (b) [[likely]] return 0; else if (b) [[unlikely]] elabel: return 1; else [[likely]] b = false; f<int>(); switch (b) { [[likely]] case true: break; [[unlikely]] case false: break; }; }