diff options
Diffstat (limited to 'test/Sema/asm.c')
| -rw-r--r-- | test/Sema/asm.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/test/Sema/asm.c b/test/Sema/asm.c index 6f2272d..7f0f396 100644 --- a/test/Sema/asm.c +++ b/test/Sema/asm.c @@ -36,7 +36,7 @@ void test3() { // <rdar://problem/6156893> void test4(const volatile void *addr) { - asm ("nop" : : "r"(*addr)); // expected-error {{invalid type 'void const volatile' in asm input for constraint 'r'}} + asm ("nop" : : "r"(*addr)); // expected-error {{invalid type 'const volatile void' in asm input for constraint 'r'}} asm ("nop" : : "m"(*addr)); asm ("nop" : : "r"(test4(addr))); // expected-error {{invalid type 'void' in asm input for constraint 'r'}} @@ -79,3 +79,29 @@ int test7(unsigned long long b) { // <rdar://problem/7574870> asm volatile (""); // expected-warning {{meaningless 'volatile' on asm outside function}} + +// PR3904 +void test8(int i) { + // A number in an input constraint can't point to a read-write constraint. + asm("" : "+r" (i), "=r"(i) : "0" (i)); // expected-error{{invalid input constraint '0' in asm}} +} + +// PR3905 +void test9(int i) { + asm("" : [foo] "=r" (i), "=r"(i) : "1[foo]"(i)); // expected-error{{invalid input constraint '1[foo]' in asm}} + asm("" : [foo] "=r" (i), "=r"(i) : "[foo]1"(i)); // expected-error{{invalid input constraint '[foo]1' in asm}} +} + +register int g asm("dx"); // expected-error{{global register variables are not supported}} + +void test10(void){ + static int g asm ("g_asm") = 0; + extern int gg asm ("gg_asm"); + __private_extern__ int ggg asm ("ggg_asm"); + + int a asm ("a_asm"); // expected-warning{{ignored asm label 'a_asm' on automatic variable}} + auto int aa asm ("aa_asm"); // expected-warning{{ignored asm label 'aa_asm' on automatic variable}} + + register int r asm ("cx"); + register int rr asm ("rr_asm"); // expected-error{{unknown register name 'rr_asm' in asm}} +} |
