forked from OSchip/llvm-project
105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic -triple=i686-apple-darwin9
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// This test needs to set the target because it uses __builtin_ia32_vec_ext_v4si
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int test1(float a, int b) {
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return __builtin_isless(a, b);
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}
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int test2(int a, int b) {
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return __builtin_islessequal(a, b); // expected-error {{floating point type}}
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}
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int test3(double a, float b) {
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return __builtin_isless(a, b);
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}
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int test4(int* a, double b) {
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return __builtin_islessequal(a, b); // expected-error {{floating point type}}
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}
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int test5(float a, long double b) {
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return __builtin_isless(a, b, b); // expected-error {{too many arguments}}
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}
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int test6(float a, long double b) {
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return __builtin_islessequal(a); // expected-error {{too few arguments}}
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}
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#define CFSTR __builtin___CFStringMakeConstantString
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void test7() {
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const void *X;
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X = CFSTR("\242"); // expected-warning {{input conversion stopped}}
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X = CFSTR("\0"); // no-warning
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X = CFSTR(242); // expected-error {{ CFString literal is not a string constant }} expected-warning {{incompatible integer to pointer conversion}}
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X = CFSTR("foo", "bar"); // expected-error {{too many arguments to function call}}
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}
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// atomics.
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void test9(short v) {
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unsigned i, old;
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old = __sync_fetch_and_add(); // expected-error {{too few arguments to function call}}
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old = __sync_fetch_and_add(&old); // expected-error {{too few arguments to function call}}
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old = __sync_fetch_and_add((unsigned*)0, 42i); // expected-warning {{imaginary constants are an extension}}
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// PR7600: Pointers are implicitly casted to integers and back.
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void *old_ptr = __sync_val_compare_and_swap((void**)0, 0, 0);
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// Ensure the return type is correct even when implicit casts are stripped
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// away. This triggers an assertion while checking the comparison otherwise.
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if (__sync_fetch_and_add(&old, 1) == 1) {
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}
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}
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// rdar://7236819
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void test10(void) __attribute__((noreturn));
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void test10(void) {
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__asm__("int3");
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__builtin_unreachable();
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// No warning about falling off the end of a noreturn function.
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}
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void test11(int X) {
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switch (X) {
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case __builtin_eh_return_data_regno(0): // constant foldable.
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break;
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}
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__builtin_eh_return_data_regno(X); // expected-error {{argument to '__builtin_eh_return_data_regno' must be a constant integer}}
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}
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// PR5062
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void test12(void) __attribute__((__noreturn__));
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void test12(void) {
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__builtin_trap(); // no warning because trap is noreturn.
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}
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void test_unknown_builtin(int a, int b) {
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__builtin_foo(a, b); // expected-error{{use of unknown builtin}}
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}
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int test13() {
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__builtin_eh_return(0, 0); // no warning, eh_return never returns.
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}
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// <rdar://problem/8228293>
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void test14() {
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int old;
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old = __sync_fetch_and_min((volatile int *)&old, 1);
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}
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// <rdar://problem/8336581>
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void test15(const char *s) {
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__builtin_printf("string is %s\n", s);
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}
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// PR7885
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int test16() {
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return __builtin_constant_p() + // expected-error{{too few arguments}}
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__builtin_constant_p(1, 2); // expected-error {{too many arguments}}
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}
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