llvm-project/clang/test/Sema/arm-asm.c

20 lines
686 B
C

// RUN: %clang_cc1 %s -triple armv7-apple-darwin -verify -fsyntax-only
void f (void) {
int Val;
asm volatile ("lw (r1), %0[val]": "=&b"(Val)); // expected-error {{invalid output constraint '=&b' in asm}}
return;
}
void test_64bit_r(void) {
long long foo = 0, bar = 0;
asm volatile("INST %0, %1" : "=r"(foo) : "r"(bar));
}
void test_clobber_conflict(void) {
register int x asm("r1");
asm volatile("nop" :: "r"(x) : "%r1"); // expected-error {{conflicts with asm clobber list}}
asm volatile("nop" :: "l"(x) : "%r1"); // expected-error {{conflicts with asm clobber list}}
asm volatile("nop" : "=r"(x) :: "%r1"); // expected-error {{conflicts with asm clobber list}}
}