1 // RUN: %clang_cc1 -triple arm64-apple-ios7.1 -fsyntax-only -verify %s
2
foo()3 void foo() {
4 asm volatile("USE(%0)" :: "z"(0LL));
5 asm volatile("USE(%x0)" :: "z"(0LL));
6 asm volatile("USE(%w0)" :: "z"(0));
7
8 asm volatile("USE(%0)" :: "z"(0)); // expected-warning {{value size does not match register size specified by the constraint and modifier}} expected-note {{use constraint modifier "w"}}
9 }
10
test_clobber_conflict(void)11 void test_clobber_conflict(void) {
12 register long x asm("x1");
13 asm volatile("nop" :: "r"(x) : "%x1"); // expected-error {{conflicts with asm clobber list}}
14 asm volatile("nop" : "=r"(x) :: "%x1"); // expected-error {{conflicts with asm clobber list}}
15 }
16