xref: /llvm-project/clang/test/Frontend/backend-attribute-error-warning-optimize.c (revision e588d23a91fd28cd4218995a33c2a46fe721ff62) 
1 // RUN: %clang_cc1 -O2 -verify -emit-codegen-only %s
2 
3 __attribute__((error("oh no foo"))) void foo(void);
4 
5 __attribute__((error("oh no bar"))) void bar(void);
6 
x(void)7 int x(void) {
8   return 8 % 2 == 1;
9 }
baz(void)10 void baz(void) {
11   foo(); // expected-error {{call to 'foo' declared with 'error' attribute: oh no foo}}
12   if (x())
13     bar();
14 }
15 
16 // FIXME: indirect call detection not yet supported.
17 void (*quux)(void);
18 
indirect(void)19 void indirect(void) {
20   quux = foo;
21   quux();
22 }
23