1 | // RUN: %clang_cc1 %s -triple armv7-apple-darwin -verify -fsyntax-only |
2 | |
3 | void f (void) { |
4 | int Val; |
5 | asm volatile ("lw (r1), %0[val]": "=&b"(Val)); // expected-error {{invalid output constraint '=&b' in asm}} |
6 | return; |
7 | } |
8 | |
9 | void test_64bit_r(void) { |
10 | long long foo = 0, bar = 0; |
11 | asm volatile("INST %0, %1" : "=r"(foo) : "r"(bar)); |
12 | } |
13 | |
14 | void test_clobber_conflict(void) { |
15 | register int x asm("r1"); |
16 | asm volatile("nop" :: "r"(x) : "%r1"); // expected-error {{conflicts with asm clobber list}} |
17 | asm volatile("nop" :: "l"(x) : "%r1"); // expected-error {{conflicts with asm clobber list}} |
18 | asm volatile("nop" : "=r"(x) :: "%r1"); // expected-error {{conflicts with asm clobber list}} |
19 | } |
20 | |