Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr89634.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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/* PR rtl-optimization/89634 */ static unsigned long * foo (unsigned long *x) { return x + (1 + *x); } __attribute__((noipa)) unsigned long bar (unsigned long *x) { unsigned long c, d = 1, e, *f, g, h = 0, i; for (e = *x - 1; e > 0; e--) { f = foo (x + 1); for (i = 1; i < e; i++) f = foo (f); c = *f; if (c == 2) d *= 2; else { i = (c - 1) / 2 - 1; g = (2 * i + 1) * (d + 1) + (2 * d + 1); if (g > h) h = g; d *= c; } } return h; } int main () { unsigned long a[18] = { 4, 2, -200, 200, 2, -400, 400, 3, -600, 0, 600, 5, -100, -66, 0, 66, 100, __LONG_MAX__ / 8 + 1 }; if (bar (a) != 17) __builtin_abort (); return 0; }