Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/tree-ssa/volatile2.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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// PR c++/84686 // { dg-additional-options -fdump-tree-gimple } // { dg-final { scan-tree-dump-times "= i" 10 "gimple" } } volatile int i; int main() { i; //evaluated (a load is performed) (i); //unevaluated => the load shall be performed (void)i; //evaluated (a load is performed) (void)(i); //unevaluated => the load shall be performed (void)i; //evaluated (a load is performed) (void)(i); //unevaluated => the load shall be performed (i,i); // the two subexpression are evaluated ((i),(i)); // no evaluation, => two loads shall happen }