diff options
Diffstat (limited to 'test/Sema/asm.c')
| -rw-r--r-- | test/Sema/asm.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/test/Sema/asm.c b/test/Sema/asm.c index c81f16a3875d..89c8c574eb5a 100644 --- a/test/Sema/asm.c +++ b/test/Sema/asm.c @@ -1,5 +1,7 @@ // RUN: %clang_cc1 %s -Wno-private-extern -triple i386-pc-linux-gnu -verify -fsyntax-only + + void f() { int i; @@ -13,6 +15,9 @@ void f() { asm ("foo\n" : "=a" (i) : "[" (i)); // expected-error {{invalid input constraint '[' in asm}} asm ("foo\n" : "=a" (i) : "[foo" (i)); // expected-error {{invalid input constraint '[foo' in asm}} asm ("foo\n" : "=a" (i) : "[symbolic_name]" (i)); // expected-error {{invalid input constraint '[symbolic_name]' in asm}} + + asm ("foo\n" : : "" (i)); // expected-error {{invalid input constraint '' in asm}} + asm ("foo\n" : "=a" (i) : "" (i)); // expected-error {{invalid input constraint '' in asm}} } void clobbers() { @@ -92,8 +97,6 @@ void test9(int i) { 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"); @@ -146,3 +149,17 @@ double test15() { __asm("0.0":"=g"(ret)); // no-error return ret; } + +// PR19837 +struct foo { + int a; + char b; +}; +register struct foo bar asm("sp"); // expected-error {{bad type for named register variable}} +register float baz asm("sp"); // expected-error {{bad type for named register variable}} + +double f_output_constraint(void) { + double result; + __asm("foo1": "=f" (result)); // expected-error {{invalid output constraint '=f' in asm}} + return result; +} |