clang/test/Sema/arm-asm.c

   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 }