Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/init/string3.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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// PR tree-optimization/71625 - missing strlen optimization on different // array initialization style // // Verify that strlen() call with a constant character array argument // initialized with non-constant elements isn't folded. // // { dg-do compile } // { dg-options "-O2 -fdump-tree-optimized" } extern const char c; const char a0[] = { 'a', 'b', 'c', c }; int len0 () { return __builtin_strlen (a0); } const char &ref = c; const char a1[] = { 'a', 'b', 'c', ref }; int len1 () { return __builtin_strlen (a1); } const char* const ptr = &c; const char a2[] = { 'a', 'b', 'c', *ptr }; int len2 () { return __builtin_strlen (a2); } // { dg-final { scan-tree-dump-times "strlen" 3 "optimized" } }