Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/991016-1.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 | 04ced10e8804 |
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/* Two of these types will, on current gcc targets, have the same mode but have different alias sets. DOIT tries to get gcse to invalidly hoist one of the values out of the loop. */ typedef int T0; typedef long T1; typedef long long T2; int doit(int sel, int n, void *p) { T0 * const p0 = p; T1 * const p1 = p; T2 * const p2 = p; switch (sel) { case 0: do *p0 += *p0; while (--n); return *p0 == 0; case 1: do *p1 += *p1; while (--n); return *p1 == 0; case 2: do *p2 += *p2; while (--n); return *p2 == 0; default: abort (); } } int main() { T0 v0; T1 v1; T2 v2; v0 = 1; doit(0, 5, &v0); v1 = 1; doit(1, 5, &v1); v2 = 1; doit(2, 5, &v2); if (v0 != 32) abort (); if (v1 != 32) abort (); if (v2 != 32) abort (); exit (0); }