1 files changed, 78 insertions, 0 deletions
diff --git a/test/Sema/asm.c b/test/Sema/asm.c
new file mode 100644
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--- /dev/null
+++ b/test/Sema/asm.c
@@ -0,0 +1,78 @@
+// RUN: clang-cc %s -triple i386-pc-linux-gnu -verify -fsyntax-only
+
+void f() {
+  int i;
+
+  asm ("foo\n" : : "a" (i + 2));
+  asm ("foo\n" : : "a" (f())); // expected-error {{invalid type 'void' in asm input}}
+  
+  asm ("foo\n" : "=a" (f())); // expected-error {{invalid lvalue in asm output}}
+  asm ("foo\n" : "=a" (i + 2)); // expected-error {{invalid lvalue in asm output}}
+
+  asm ("foo\n" : [symbolic_name] "=a" (i) : "[symbolic_name]" (i));
+  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}}
+}
+
+void clobbers() {
+  asm ("nop" : : : "ax", "#ax", "%ax");
+  asm ("nop" : : : "eax", "rax", "ah", "al");
+  asm ("nop" : : : "0", "%0", "#0");
+  asm ("nop" : : : "foo"); // expected-error {{unknown register name 'foo' in asm}}
+  asm ("nop" : : : "52");
+  asm ("nop" : : : "53"); // expected-error {{unknown register name '53' in asm}}
+  asm ("nop" : : : "-1"); // expected-error {{unknown register name '-1' in asm}}
+  asm ("nop" : : : "+1"); // expected-error {{unknown register name '+1' in asm}}
+}
+
+// rdar://6094010
+void test3() {
+  int x;
+  asm(L"foo" : "=r"(x)); // expected-error {{wide string}}
+  asm("foo" : L"=r"(x)); // expected-error {{wide string}}
+}
+
+// <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" : : "m"(*addr));
+
+    asm ("nop" : : "r"(test4(addr))); // expected-error {{invalid type 'void' in asm input for constraint 'r'}}
+    asm ("nop" : : "m"(test4(addr))); // expected-error {{invalid lvalue in asm input for constraint 'm'}}
+
+    asm ("nop" : : "m"(f())); // expected-error {{invalid lvalue in asm input for constraint 'm'}}
+}
+
+// <rdar://problem/6512595>
+void test5() {
+  asm("nop" : : "X" (8)); 
+}
+
+// PR3385
+void test6(long i) {
+  asm("nop" : : "er"(i));
+}
+
+void asm_string_tests(int i) {
+  asm("%!");   // simple asm string, %! is not an error.   
+  asm("%!" : );   // expected-error {{invalid % escape in inline assembly string}}
+  asm("xyz %" : );   // expected-error {{invalid % escape in inline assembly string}}
+
+  asm ("%[somename]" :: [somename] "i"(4)); // ok
+  asm ("%[somename]" :: "i"(4)); // expected-error {{unknown symbolic operand name in inline assembly string}}
+  asm ("%[somename" :: "i"(4)); // expected-error {{unterminated symbolic operand name in inline assembly string}}
+  asm ("%[]" :: "i"(4)); // expected-error {{empty symbolic operand name in inline assembly string}}
+  
+  // PR3258
+  asm("%9" :: "i"(4)); // expected-error {{invalid operand number in inline asm string}}
+  asm("%1" : "+r"(i)); // ok, referring to input.
+}
+
+// PR4077
+int test7(unsigned long long b) {
+  int a;
+  asm volatile("foo %0 %1" : "=a" (a) :"0" (b)); // expected-error {{input with type 'unsigned long long' matching output with type 'int'}}
+  return a;
+}