| /* PR 81908 - FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32 |
| Test to verify that calls to memcpy et al. where the size is in a range |
| with more than one valid value are not eliminated (this test complements |
| builtins-folding-gimple-2.c). |
| { dg-do compile } |
| { dg-options "-O2 -Wall -fdump-tree-optimized" } */ |
| |
| #define SHRT_MAX __SHRT_MAX__ |
| #define SHRT_MIN (-SHRT_MAX - 1) |
| #define INT_MAX __INT_MAX__ |
| #define INT_MIN (-INT_MAX - 1) |
| |
| #define UNIQUE_FUNCNAME(func, line) test_ ## func ## _ ## line |
| #define FUNCNAME(func, line) UNIQUE_FUNCNAME (func, line) |
| |
| #define AR(func, type, min, max, val) \ |
| void __attribute__ ((noclone, noinline)) \ |
| FUNCNAME (func, __LINE__) (char *d, const char *s, type n) \ |
| { \ |
| if ((type)min <= n && n <= (type)max) \ |
| n = val; \ |
| __builtin_ ## func (d, s, n); \ |
| } typedef void DummyType |
| |
| AR (memcpy, short, SHRT_MIN, 0, 1); |
| AR (memcpy, short, SHRT_MIN, 1, 2); |
| AR (memcpy, short, 2, SHRT_MAX, 1); |
| |
| AR (memcpy, int, INT_MIN, 0, 1); |
| AR (memcpy, int, INT_MIN, 1, 2); |
| AR (memcpy, int, INT_MIN, 2, 3); |
| AR (memcpy, int, 2, INT_MAX, 1); |
| AR (memcpy, int, 2, INT_MAX, 1); |
| |
| AR (memmove, short, 2, SHRT_MAX, 1); |
| AR (memmove, int, 2, INT_MAX, 1); |
| |
| AR (mempcpy, short, 2, SHRT_MAX, 1); |
| AR (mempcpy, int, 2, INT_MAX, 1); |
| |
| /* { dg-final { scan-tree-dump-times "builtin_memcpy" 8 "optimized" } } |
| { dg-final { scan-tree-dump-times "builtin_memmove" 2 "optimized" } } |
| { dg-final { scan-tree-dump-times "builtin_mempcpy" 2 "optimized" } } */ |