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Diffstat (limited to 'gcc/testsuite/gcc.dg/bconstp-3.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/bconstp-3.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/bconstp-3.c b/gcc/testsuite/gcc.dg/bconstp-3.c new file mode 100644 index 00000000000..9e3d10f3993 --- /dev/null +++ b/gcc/testsuite/gcc.dg/bconstp-3.c @@ -0,0 +1,27 @@ +/* As bconstp-1.c, but with the __builtin_constant_p calls inside + __builtin_choose_expr. */ +/* { dg-do compile } */ + +/* This test checks that builtin_constant_p can be used safely in + initializers for static data. The macro X() defined below should + be an acceptable initializer expression no matter how complex its + argument is. */ + +extern int a; +extern int b; + +extern int foo(void); +extern int bar(void); + +#define X(exp) (__builtin_choose_expr(1, __builtin_constant_p(exp), 1) ? (exp) : -1) + +const short tests[] = { + X(0), + X(a), + X(0 && a), + X(a && b), + X(foo()), + X(0 && foo()), + X(a && foo()), + X(foo() && bar()) +}; |