xref: /minix3/external/bsd/llvm/dist/clang/test/Sema/builtin-assume.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 // RUN: %clang_cc1 -triple i386-mingw32 -fms-extensions -fsyntax-only -verify %s
2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s
3 
foo(int * a,int i)4 int foo(int *a, int i) {
5 #ifdef _MSC_VER
6   __assume(i != 4);
7   __assume(++i > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
8 
9   int test = sizeof(struct{char qq[(__assume(i != 5), 7)];});
10 #else
11   __builtin_assume(i != 4);
12   __builtin_assume(++i > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
13 
14   int test = sizeof(struct{char qq[(__builtin_assume(i != 5), 7)];});
15 #endif
16   return a[i];
17 }
18 
19