20 lines · c
1// RUN: %clang_cc1 %s -triple armv7-apple-darwin -verify -fsyntax-only2 3void 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 9void test_64bit_r(void) {10 long long foo = 0, bar = 0;11 asm volatile("INST %0, %1" : "=r"(foo) : "r"(bar));12}13 14void 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