| // RUN: clang-cc -emit-llvm -o %t %s && |
| // RUN: not grep __builtin %t |
| |
| #include <stdio.h> |
| #include <math.h> |
| |
| void p(char *str, int x) { |
| printf("%s: %d\n", str, x); |
| } |
| void q(char *str, double x) { |
| printf("%s: %f\n", str, x); |
| } |
| |
| int main() { |
| int N = random(); |
| #define P(n,args) p(#n #args, __builtin_##n args) |
| #define Q(n,args) q(#n #args, __builtin_##n args) |
| #define V(n,args) p(#n #args, (__builtin_##n args, 0)) |
| P(types_compatible_p, (int, float)); |
| P(choose_expr, (0, 10, 20)); |
| P(constant_p, (sizeof(10))); |
| P(expect, (N == 12, 0)); |
| V(prefetch, (&N)); |
| V(prefetch, (&N, 1)); |
| V(prefetch, (&N, 1, 0)); |
| |
| // Numeric Constants |
| |
| Q(huge_val, ()); |
| Q(huge_valf, ()); |
| Q(huge_vall, ()); |
| Q(inf, ()); |
| Q(inff, ()); |
| Q(infl, ()); |
| |
| // FIXME: |
| // XXX note funny semantics for the (last) argument |
| // P(fpclassify, (FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, 1.0)); |
| // P(isinf_sign, (1.0)); |
| |
| Q(nan, ("")); |
| Q(nanf, ("")); |
| Q(nanl, ("")); |
| Q(nans, ("")); |
| Q(nan, ("10")); |
| Q(nanf, ("10")); |
| Q(nanl, ("10")); |
| Q(nans, ("10")); |
| |
| P(isgreater, (1., 2.)); |
| P(isgreaterequal, (1., 2.)); |
| P(isless, (1., 2.)); |
| P(islessequal, (1., 2.)); |
| P(islessgreater, (1., 2.)); |
| P(isunordered, (1., 2.)); |
| |
| // Bitwise & Numeric Functions |
| |
| P(abs, (N)); |
| |
| P(clz, (N)); |
| P(clzl, (N)); |
| P(clzll, (N)); |
| P(ctz, (N)); |
| P(ctzl, (N)); |
| P(ctzll, (N)); |
| P(ffs, (N)); |
| P(ffsl, (N)); |
| P(ffsll, (N)); |
| P(parity, (N)); |
| P(parityl, (N)); |
| P(parityll, (N)); |
| P(popcount, (N)); |
| P(popcountl, (N)); |
| P(popcountll, (N)); |
| Q(powi, (1.2f, N)); |
| Q(powif, (1.2f, N)); |
| Q(powil, (1.2f, N)); |
| |
| // Lib functions |
| int a, b, n = random(); // Avoid optimizing out. |
| char s0[10], s1[] = "Hello"; |
| V(strcat, (s0, s1)); |
| V(strncat, (s0, s1, n)); |
| V(strchr, (s0, s1[0])); |
| V(strrchr, (s0, s1[0])); |
| V(strcpy, (s0, s1)); |
| V(strncpy, (s0, s1, n)); |
| |
| // Object size checking |
| V(__memset_chk, (s0, 0, sizeof s0, n)); |
| V(__memcpy_chk, (s0, s1, sizeof s0, n)); |
| V(__memmove_chk, (s0, s1, sizeof s0, n)); |
| V(__mempcpy_chk, (s0, s1, sizeof s0, n)); |
| V(__strncpy_chk, (s0, s1, sizeof s0, n)); |
| V(__strcpy_chk, (s0, s1, n)); |
| s0[0] = 0; |
| V(__strcat_chk, (s0, s1, n)); |
| P(object_size, (s0, 0)); |
| P(object_size, (s0, 1)); |
| P(object_size, (s0, 2)); |
| P(object_size, (s0, 3)); |
| |
| // Whatever |
| |
| P(bswap32, (N)); |
| P(bswap64, (N)); |
| // FIXME |
| // V(clear_cache, (&N, &N+1)); |
| V(trap, ()); |
| |
| return 0; |
| } |
| |
| |
| |
| void strcat() {} |
| |
| void foo() { |
| __builtin_strcat(0, 0); |
| } |
| |