xref: /aosp_15_r20/external/clang/test/Sema/constant-builtins.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only %s -verify -pedantic
2*67e74705SXin Li // expected-no-diagnostics
3*67e74705SXin Li 
4*67e74705SXin Li // Math stuff
5*67e74705SXin Li 
6*67e74705SXin Li float        g0 = __builtin_huge_val();
7*67e74705SXin Li double       g1 = __builtin_huge_valf();
8*67e74705SXin Li long double  g2 = __builtin_huge_vall();
9*67e74705SXin Li float        g3 = __builtin_inf();
10*67e74705SXin Li double       g4 = __builtin_inff();
11*67e74705SXin Li long double  g5 = __builtin_infl();
12*67e74705SXin Li 
13*67e74705SXin Li // GCC misc stuff
14*67e74705SXin Li 
15*67e74705SXin Li extern int f();
16*67e74705SXin Li 
17*67e74705SXin Li int h0 = __builtin_types_compatible_p(int,float);
18*67e74705SXin Li //int h1 = __builtin_choose_expr(1, 10, f());
19*67e74705SXin Li //int h2 = __builtin_expect(0, 0);
20*67e74705SXin Li int h3 = __builtin_bswap16(0x1234) == 0x3412 ? 1 : f();
21*67e74705SXin Li int h4 = __builtin_bswap32(0x1234) == 0x34120000 ? 1 : f();
22*67e74705SXin Li int h5 = __builtin_bswap64(0x1234) == 0x3412000000000000 ? 1 : f();
23*67e74705SXin Li 
24*67e74705SXin Li short somefunc();
25*67e74705SXin Li 
26*67e74705SXin Li short t = __builtin_constant_p(5353) ? 42 : somefunc();
27*67e74705SXin Li 
28*67e74705SXin Li 
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