cb66c73a48
number is not mentioned in the asm string, let it past sema. Right now these are currently rejected by the llvm code generator but this will be fixed next. llvm-svn: 70670
79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
// RUN: clang-cc %s -arch=i386 -verify -fsyntax-only
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void f() {
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int i;
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asm ("foo\n" : : "a" (i + 2));
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asm ("foo\n" : : "a" (f())); // expected-error {{invalid type 'void' in asm input}}
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asm ("foo\n" : "=a" (f())); // expected-error {{invalid lvalue in asm output}}
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asm ("foo\n" : "=a" (i + 2)); // expected-error {{invalid lvalue in asm output}}
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asm ("foo\n" : [symbolic_name] "=a" (i) : "[symbolic_name]" (i));
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asm ("foo\n" : "=a" (i) : "[" (i)); // expected-error {{invalid input constraint '[' in asm}}
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asm ("foo\n" : "=a" (i) : "[foo" (i)); // expected-error {{invalid input constraint '[foo' in asm}}
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asm ("foo\n" : "=a" (i) : "[symbolic_name]" (i)); // expected-error {{invalid input constraint '[symbolic_name]' in asm}}
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}
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void clobbers() {
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asm ("nop" : : : "ax", "#ax", "%ax");
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asm ("nop" : : : "eax", "rax", "ah", "al");
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asm ("nop" : : : "0", "%0", "#0");
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asm ("nop" : : : "foo"); // expected-error {{unknown register name 'foo' in asm}}
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asm ("nop" : : : "52");
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asm ("nop" : : : "53"); // expected-error {{unknown register name '53' in asm}}
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asm ("nop" : : : "-1"); // expected-error {{unknown register name '-1' in asm}}
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asm ("nop" : : : "+1"); // expected-error {{unknown register name '+1' in asm}}
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}
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// rdar://6094010
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void test3() {
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int x;
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asm(L"foo" : "=r"(x)); // expected-error {{wide string}}
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asm("foo" : L"=r"(x)); // expected-error {{wide string}}
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}
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// <rdar://problem/6156893>
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void test4(const volatile void *addr)
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{
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asm ("nop" : : "r"(*addr)); // expected-error {{invalid type 'void const volatile' in asm input for constraint 'r'}}
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asm ("nop" : : "m"(*addr));
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asm ("nop" : : "r"(test4(addr))); // expected-error {{invalid type 'void' in asm input for constraint 'r'}}
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asm ("nop" : : "m"(test4(addr))); // expected-error {{invalid lvalue in asm input for constraint 'm'}}
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asm ("nop" : : "m"(f())); // expected-error {{invalid lvalue in asm input for constraint 'm'}}
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}
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// <rdar://problem/6512595>
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void test5() {
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asm("nop" : : "X" (8));
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}
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// PR3385
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void test6(long i) {
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asm("nop" : : "er"(i));
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}
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void asm_string_tests(int i) {
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asm("%!"); // simple asm string, %! is not an error.
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asm("%!" : ); // expected-error {{invalid % escape in inline assembly string}}
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asm("xyz %" : ); // expected-error {{invalid % escape in inline assembly string}}
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asm ("%[somename]" :: [somename] "i"(4)); // ok
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asm ("%[somename]" :: "i"(4)); // expected-error {{unknown symbolic operand name in inline assembly string}}
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asm ("%[somename" :: "i"(4)); // expected-error {{unterminated symbolic operand name in inline assembly string}}
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asm ("%[]" :: "i"(4)); // expected-error {{empty symbolic operand name in inline assembly string}}
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// PR3258
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asm("%9" :: "i"(4)); // expected-error {{invalid operand number in inline asm string}}
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asm("%1" : "+r"(i)); // ok, referring to input.
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}
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// PR4077
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int test7(unsigned long long b) {
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int a;
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asm volatile("foo %0 %1" : "=a" (a) :"0" (b)); // expected-error {{input with type 'unsigned long long' matching output with type 'int'}}
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return a;
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}
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